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pH Monitor & Control

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Latest Products in pH Monitor & Control
Bluelab Multimedia Meter & Leap pH Probe Hanna Groline pH Tester HI-98115 Hanna Groline Waterproof pH & Temperature Tester HI-98118 Hanna Groline Waterproof pH/EC/TDS/Temperature Tester HI-98131 Hanna Groline pH/EC/TDS/Temperature Meter HI-9814 Hanna Groline Monitor HI-981420 Hydromaster HM-500 Continuous pH/EC/TDS/Temp Monitor Bluelab Grower's Toolbox Growboss Nutrient Monitoring System HI-11102 HALO™ pH Electrode with Bluetooth® Smart Technology
Bluelab Grower's Toolbox Bluelab
A handy pack with everything you need to get going and keep growing!The Bluelab Grower’s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution.Learn the hydroponics basics with the Grow Book, so you can get going…And keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the solution...
£167.00
Bluelab Multimedia Meter & Leap pH Probe Bluelab
The pH level of solutions, soils, substrates, media and nutrient solutions strongly influences crop performance. Do you know what the pH of your root zone is?Fast, accurate pH measurement in nutrient solution and root-zone from the palm of your hand.Combine the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types.Calibration is simple with one push button on the meter and fresh Bluelab® Calibration...
£139.00
Growboss Nutrient Monitoring System Nutradip
The Nutradip GrowBoss sets a new standard for Nutrient Monitoring, ease of use and affordability.The Nutradip Growboss is a nutrient monitoring system that assists growers in achieving maximum results for their growing efforts.The Growboss is a constant monitoring meter that indicates to the grower the exact levels of Nutrient strength, pH and temperature.This allows the grower to adjust and optimize each parameter as the crop progresses through each growth cycle.The Growboss Display receives information from three input devices...
£299.99
Hydromaster HM-500 Continuous pH/EC/TDS/Temp Monitor HM Digital
HM-500: Continuous pH/EC/TDS/Temp MonitorhydromasterThe HM Digital HydroMaster (HM-500) monitors pH, Temp˚C/˚F, EC & TDS providing accurate, stable readings the user can rely on. The unit can be wall mounted, is portable thanks to its rechargeable battery, and can be used as a benchtop monitor with its stand.Continuous pH/EC/TDS/Temp Monitor Rechargeable battery RF Resistant Portable/Wall Mount/Benchtop Data Storage: Up to 20 measurement readings Auto Shut-Off: After 5 minutes Alarm: Adjustable High & Low Set...
£270.00
Professional Nutrient Management Kit EUTECH Instruments
Kit includes:pHTestr 10 ECTestr 11 pH Buffer 4 pH Buffer 7 Conductivity (EC) Standard Replacement Batteries and Carry Case
£219.95
Hanna Groline pH Tester HI-98115 Hanna
This GroLine Hydroponics pH tester has been designed with many advanced features that are found typically in more expensive portable instrumentation. These features include automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off.Key featuresLarge LCD - Enhanced LCD that displays reading, stability indicator, low battery indicator and calibration tags. Replaceable pH Electrode - The HI-1271 supplied gel filled pH...
£49.99
Hanna Groline Waterproof pH & Temperature Tester HI-98118 Hanna
The HI-98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. The ergonomic design allows this tester to fit comfortably in your hand. The large easy to read LCD display shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on/off and the other for automatic one or two point calibration.This GroLine pocket pH Tester is an affordable way to measure the pH of hydroponic...
£70.00
Hanna pH/EC/TDS/Temperature Meter HI-9814
The HI-9814 is a lightweight, waterproof portable pH, conductivity, TDS and temperature meter supplied with a specialist multiparameter probe designed for hydroponics, greenhouse and agricultural applications.Key featuresCompact, robust casing Simultaneous readout of pH, EC or TDS and °C Simple two button keyboard Waterproof design to withstand the humidity of a growing environment Specialist multi-parameter electrode Optional green protective rubber holster - HI-710025The HI-9814 boasts many advance features that...
£239.99
Groline Waterproof pH/EC/TDS/Temperature Tester HI-98131 Hanna
The HI-98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity, TDS and temperature. This versatile pocket meter is designed for hydroponics, greenhouse and agriculture applications.The meter operation is simplified with two buttons. One is used for on/off and for calibration while the other is used to switch between the measurement modes. The HI-98131 has advanced features including a selectable EC to TDS conversion factor (0.5 - 500 ppm and 0.7 - 700 ppm).The HI-98131 GroLine tester features a large...
£199.00
Hanna Groline Monitor HI-981420 Hanna
Make your nutrient solution easy to manage with the GroLine Monitor and combined pH/EC/Temperature probe. Quick to setup and simple to use, the monitor was designed for hydroponics, aquaponics, and greenhouses.The HI-981420 GroLine Monitor provides 24 hour continuous monitoring of pH, conductivity (EC or TDS), and temperature in hydroponic nutrients.Results every 15 minutes . . .The GroLine Monitor automatically logs your results every 15 minutes over the last 30 days. Minimum, maximum, and average values are stored so you can...
£345.99
HI-11102 HALO™ pH Electrode with Bluetooth® Smart Technology Hanna
The HI-11102 HALO™ is a pH and temperature electrode which incorporates a Bluetooth transmitter to wirelessly connect to an iPad or the Hanna Edge-Blu pH tablet meter.No need for a pH meter Free to use Hanna Lap App for iPad Flexible, accurate and easy to useHanna Lab AppThe first app that turns an iPad® into a full-featured pH meter!The Hanna Lab App turns an iPad® into a full-featured pH meter when used with the Hanna HALO™ pH electrode with Bluetooth® smart technology. Functions include calibration...
£327.59
HI-98194 Multiparameter Waterproof Meter Hanna
HI-98194 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors. The HI-98194 measures pH/mV, ORP, Conductivity, TDS, Resistivity, Salinity, Seawater, Dissolved Oxygen, Atmospheric Pressure and TemperatureA backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of...
£2,196.00
Intellidose Single Peristaltic - Medium Duty Autogrow
Perfect for the AutoGrow IntelliDose system and AutoGrow Mini Dosers An affordable, highly accurate dosing pump for use with the AutoGrow IntelliDose system and both AutoGrow Mini Dosers (EC and pH) single unit.
£240.00
HI-9125N Handheld pH/mV Meter with Enhanced Design Hanna
The HI-9125N is a rugged, high specification portable meter that offers the additional advantage of being able to measure ORP.Heavy-duty water resistant casing combined with latest microprocessor technology makes this meter ideal for delivering laboratory grade results and accuracy under harsh industrial conditions.Key featuresHeavy-duty waterproof casing Large clear LCD display Extended pH and temperature given simultaniously Memorises pH reading and recall Battery % remaining on start up User-friendly text and...
£701.10
HI-9914-2 Wall Mounted pH and Conductivity Controller Hanna
HI 9914 is a wall mounted fertigation controller, designed to meet specific process control requirements in agricultural, horticultural and hydroponics applications. The controller is provided with two measuring channels, one for pH and one for conductivity. The readings are displayed simultaneously on two independent LCDs with backlight.The conductivity probe is designed with a built-in temperature sensor which allows the controller to automatically compensate for the temperature effect. The differential input and the use of a Matching...
£966.59
Mi805 pH / Conductivity / TDS / Temperature Professional Portable Meter Milwaukee
Measures 4 parameters with 1 single probe. Mi805 offers you a combination of pH, Conductivity, total dissolved solids and temperature measurements. You can select from a range of calibration buffers and also the temperature scale (°C or °F) can be selected. The multi-parameter probe MA851D/1, includes pH/EC/TDS and temperature, all in one rugged handle.Other features include different TDS factors from 0.45 to 1.00, and a range of temperature coefficients (ß) from 0.0 to 2.4% for greater consistency and reproducibility. The Stability...
£1,078.00
HI-98184 Waterproof pH/ORP/ISE Meter Hanna
The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature.This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm.The HI-98184 also supports 15 different ISE sensors by default and can be calibrated with up to TWO points and 6 standard buffers...
£1,741.67
MW801 Standard Portable pH / Conductivity / TDS Combination Meter Milwaukee
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe!The MW801 with a Conductivity range that goes up to 1990 µS/cm and TDS range that goes up to 1990 ppm is an ideal tool for drinking water measurements.Supplied with the SE600 interchangeable probe to measure pH, Conductivity and TDS. The pH electrode utilizes a fiber junction to reduce contamination when measuring fertilizer solutions. Both meters calibrate manually in pH, Conductivity and TDS.
£592.00
HI-981405N pH/EC Indicator for Agriculture Hanna
The HI-981405N is ideal for agricultural, horticultural and hydroponics applications where pH and EC levels need to be continuously monitored for optimal plant growth.This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.The HI-1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a water resistant sleeve. The unique design of the electrode guarantees greater clogging resistance in fertiliser solutions with high concentrations of phosphate or...
£298.95
pH58 pocket-size pH, ORP & Temperature Meter Milwaukee
Combination waterproof testers with advanced functions also include the new model pH58 for simultaneous pH and ORP measurements and temperature, which is continuously displayed on the dual level LCD. It shows readings in an extended range from -2.00 to 16.00 pH or ±1000 mV and simultaneously shows temperature from -5.0 to 105.0°C or 23 to 221°F.The pH58 has a stability indicator and hold feature that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations...
£396.00
HI-98172N Portable pH/ORP/ ISE Meter With Cal Check Hanna
The HI-98184 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature.This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm.The HI-98184 also supports 15 different ISE sensors by default and can be calibrated with up to TWO points and 6 standard buffers...
£1,635.47
pH56 Pocket-size pH / Temperature Meter with replaceable electrode Milwaukee
IP65 Waterproof pH tester with Large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from -2.00 to 16.00 pH (with a 0.01 pH resolution) and simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F.pH56 has a stability indicator and hold function that freezes the display for easy and accurate recording. The large display also has graphic symbols to guide you through all operations. Complete with a temperature probe for faster and more precise temperature...
£215.00
MiniDoser pH Complete Kit Autogrow
The new Mini Doser continuously measures the pH in the mixing tank and adds either pH lower (acid) or pH raise (alkali) as required to maintain the pH set point. The controller counts the number of doses and in the event of the dose count per hour exceeding a set value an alarm can be sounded. In addition alarms can be set to sound should the pH wander outside user set limits. If the dose count per hour exceeds a user setting, the controller will stop dosing.The solenoid valves are resistant to acids and alkalis at a concentration of 2%...
£870.00
Mi160 pH / ORP / ISE / Temperature Laboratory Bench Meter Milwaukee
This new pH/ORP/ISE/Temp bench meter is ideal for very accurate and precise measurements for all laboratory needs. It can perform ion-selective measurements directly in ppm, as well as pH, ORP and temperature measurements.pH calibration can also be performed in 3 points selectable between 7 memorized buffers, to provide a very accurate calibration curve even when testing different samples, where very wide differences in pH can be found.Thanks to the memory it can store up to 50 data sets for each range that can be downloaded to a PC...
£2,098.00
HI-9813-5N pH/EC/TDS/°C Portable Meter Hanna
The HI 9813-5 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.This meter features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument. The HI 9813-5 is a pH/EC/TDS meter designed for simplicity of use in taking pH, mS/cm, ppm and temperature in the °C scale measurements.This...
£318.95
HI-9813-6N pH/EC/TDS/°C Portable Meter Hanna
The HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.This meter features a large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument. The HI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECK™ feature. CAL CHECK™ allows the user to...
£318.95
MC125 pH / ORP Controller  Milwaukee
With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels.The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on when the reading is Above or Below ( user selected ) the selected set point.Each unit comes with 12 VDC adapter, mounting kit, probe, probe holder and starter calibration solution for pH. (factory calibrated for ORP)Smart Professional pH/ORP controllerUser selectable Hi/Low...
£802.99
ph and Conductivity Kit MW710 Milwaukee
MW710 Kit includes:MW100 (pH meter, range: 0.0 to 14.0, with 2 point manual calibration, ±0.2 pH accuracy. Supplied with SE220 double junction pH electrode, 9V battery, 20 mL. pH 7.01 sachet buffer solution and screwdriver for calibration. ) and MW302 (Conductivity meter – range: 0.0 – 10.0 mS/cm with automatic temperature compensation and 1 point manual calibration. Supplied with SE520 conductivity probe, a 9V battery, a 20 mL 1,413 µS/cm sachet buffer solution and screwdriver for calibration.) in hard carrying case.
£284.99
HI-8424N Handheld Water Resistant pH Meter Hanna
One of the most popular pH meters on the market, this splashproof, portable meter delivers fast, accurate pH, ORP and temperature measurements.Not only does it offer a 0.01 pH resolution across the pH scale, but it is also easy to use without constant reference to an instruction manual.Calibration is automatic at one or two points with three memorised buffer values - pH 4.01, 7.01, 10.01.Once the instrument has been calibrated, the buffer values used during calibration are displayed with tags on the display screen. This keeps users...
£520.37
pH Controller and Doser MC720 Milwaukee
Control the pH of your tank/reservoir AUTOMATICALLY!The MC122 pH controller and dosing pump (MP810) provides fully automated pH control of aqueous solutions in hydroponic systems. It has been specifically designed to control the pH in mixing tanks for fertilization. The small and precise flow of the peristaltic pump allows you to maintain ideal pH values in your tank.After selecting the desired pH setting from 5.5 to 9.5 pH, the pH controller measures the pH value of the solution and automatically adds pH adjustment (acid or alkaline)...
£259.99
Guardian Monitor Bluelab
In just one glance it magically measures all 3 critical parameters for successful growth; pH, conductivity AND temperature.The Bluelab Guardian Monitor is a constant indicator of the desired levels of EC/ppm 700/TDS/CF, pH and temperature, enabling the grower to optimise these parameters as the crop progresses through each growing phase.The Bluelab Guardian Monitor is mains powered and is mounted to the wall or hung on a support and the probes simply placed into the reservoir.With the Bluelab Guardian Monitor monitoring...
£259.95
HI-981406 pH and ORP Indicator Hanna
Instead of sourcing two meters, users can now continuously measure both pH and ORP with HI-981406.There are two separate adjustable set points for pH and ORP. Once the pH set point is exceeded, the appropriate LED light will come on to alert the operator. Likewise, once the ORP level drops below the set point, the red ORP light will stay on.HI-981406 is supplied with a HI-1283 ground probe. The HI-1283 ground probe provides users with more reliable readouts by suppressing current effects, which are found in pools. The optional...
£286.91
Guardian Monitor Connect Bluelab
Stay connected - monitor, data log, and remotely view pH, conductivity and temperature readingsThe Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You can access the data via the cloud from a remote mobile device or computer to check for extreme variances to ensure these critical parameters are hitting the mark for crop success.Just one...
£473.99
HI-8014 Budget Priced pH and ORP Meter Hanna
The HI-8014 is a rugged, handheld pH meter specifically designed with ease of use in mind. This affordable meter is ideal for education and field applications and performs pH measurements with Manual Temperature Compensation and ORP measurements.Two-point calibration can be performed with trimmers on the front panel. The set values are stored even when the meter is shut off.This rugged, manual pH meter is perfect for educational purposes and teaching students the fundamentals of pH measurement.Key featuresManual...
£367.73
Dosetronic® Nutrient Controller Complete Kit Including Peridoser Bluelab
The Bluelab Dosetronic keeps tight control of your vital nutrient solution levels automatically so you have the freedom to tend to the daily needs of your crop.This is the ultimate answer for accurate and automatic control of EC, pH and temperature in hydroponic systems. The controller is easily programmed with the required values for pH, conductivity and temperature. The dosing intervals are set according to the size of the tank and then it’s ready to go.Bluelab Dosetronic® Nutrient Controller – complete kit including...
£2,964.00
HI-98121 Pocket pH and ORP (Redox) Tester Hanna
Offering users a choice of ORP/Redox and pH measurement combinations, this tester is a popular option for operators carrying out spot checks or testing on location.Designed for use out in the field and in murky conditions, the meter is sealed against humidity, floats in water and has a bright green casing making it easily visible in low light levels. Key featuresDual level LCD screen that displays simultaneous readings Automatic temperature compensation Automatic calibration HOLD function freezes readings for...
£90.00
Dosetronic® Nutrient Controller Complete Kit Including Solenoids Bluelab
The Bluelab Dosetronic keeps tight control of your vital nutrient solution levels automatically so you have the freedom to tend to the daily needs of your crop.This is the ultimate answer for accurate and automatic control of EC, pH and temperature in hydroponic systems. The controller is easily programmed with the required values for pH, conductivity and temperature. The dosing intervals are set according to the size of the tank and then it’s ready to go.Contents include:Bluelab Dosetronic® Controller Power...
£2,316.00
EDGEMULTI High End Hybrid Multiparameter Hanna
Edge - smart, slimline, bench pH, EC and DO meterEdge is the latest innovation from Hanna Instruments offering some of the most advanced technology for measuring pH, Conductivity and Dissolved Oxygen.Smart, slimline and lightweight, Edge delivers fast accurate measurement. With its high precision technology combined with the user-friendly dimensions and format of a digital tablet, the Hanna Edge offers a new, laboratory-grade, flexible pH meter that is breaking new ground in electrochemistry.Cutting-edge design, capacitive touch...
£1,802.33
HI-98196 Multiparameter Waterproof Meter Hanna
Measures pH/mV, ORP, Dissolved Oxygen, Atmospheric Pressure and TemperatureHI-98196 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors.A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of languages.HI-98196 allows users to store up to 45,000 continuous or...
£1,350.00
HI-9912-2 Proportional pH and ORP Control Hanna
Two separate set points can be adjusted by the user from 6 to 8 pH and 500 to 900 mV. The relays are activated when the pH exceeds or the mV falls below the relevant set point. HI 9912 accepts any pH and ORP electrode ending in a universal BNC connector. Two independent terminals provide for pH and ORP matching pin/ ground probes to extend electrode life and eliminate interference.HANNA's proportional control allows considerable savings by minimising the use of chemicals. The settings are made through independent time cycles adjustable...
£966.59
HI-9126N Waterproof pH/ORP Meter with CalCheck Hanna
The HI-9126N portable pH/ORP includes Hanna's exclusive Calibration Check™ technology. Calibration Check™ monitors the pH bulb and reference junction of the electrode every time the instrument is calibrated. In the event of a dirty pH electrode, Calibration Check™ warns users that maintenance may be needed.This portable meter utilises the HI-1230B double junction pH electrode. The double junction helps to minimise junction contamination for consistently accurate results. The HI 9126 can also measure ORP using optional probes as well...
£762.83
HI-981404N Waterproof pH/TDS Meter with Smart Electrode Hanna
The HI-981404N is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.This meter is supplied with the HI 1286 replaceable gel filled pH electrode with BNC connector, protected behind a water resistant sleeve. The unique design of the electrode guarantees greater clogging resistance in fertiliser solutions with high concentrations of...
£286.91
HI-98185 Waterproof pH/ORP/ISE Meter Hanna
The HI-98185 is a water resistant, portable meter designed for demanding applications and measures pH/ORP/ISE and temperature.This meter is supplied with the HI-72911B pH/ temperature electrode with rugged, titanium casing and also allows for an optional ORP probe to obtain mV readings in the ±2000 mV range. This meter adds direct ion concentration readings for ISE's and the results are displayed in ppm.The HI-98185 also supports 15 different ISE sensors by default and can be calibrated with up to five points and 6 standard buffers...
£1,826.63
HI-98195 Multiparameter Waterproof Meter Hanna
Measures pH/mV, ORP, Conductivity, TDS, Resistivity, Salinity, Seawater and Temperature.HI-98195 provides multiparameter measurement in a compact and rugged IP67 waterproof enclosure. Ideal for demanding application, this meter features our rugged, quick connect multi-function probe with field replaceable sensors.A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of dedicated and soft keys allows easy, intuitive operation in a choice of languages.HI-98195 allows users to store up to 45,000...
£1,620.00
HI-981504/5 pH/TDS/Temperature Monitor Hanna
The HI-981504/5-02 offers continuous measurement of pH, TDS and temperature, simultaneously displayed on one display.The HI-1286 gel-filled pH electrode is provided with a water resistant sleeve to protect the BNC connector. The unique design of the electrode provides longer life in aggressive solutions. The HI-7634 TDS probe is easy to clean and requires little maintenance. Measurements are accurate and the meter can be calibrated at one or two points for pH.
£382.50
HI-98191 Professional Waterproof pH/ORP/ISE Meter Hanna
The HI-98191 combines all of the features of a benchtop into a portable IP67 rated waterproof enclosure making them one of the most versatile meters on the market.Designed for universal applications, HI-98191 measures pH/ORP/ISE and temperature. Exchange out the pH probe for an ORP probe to obtain mV readings in the ±2000 mV range. HI-98191 adds direct ion concentration readings for ISEs with a choice of units for calibration and display.A backlit, graphic LCD provides easy to read resolution even in low-lit areas. A combination of...
£1,009.80
HI-991404 pH/EC/TDS/Temperature Monitor Hanna
The HI-991404 combo meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. This microprocessor indicator continuously monitors the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument.Featuring a large, dual-level, backlit LCD the HI-991404-02 gives you instantaneous reading of pH, EC or TDS and temperature, even from a distance.     At start up, this indicator performs a self-check to...
£329.57
HI-991405 pH/EC/TDS/Temperature Monitor Hanna
The HI-991405 combo meter is designed for continuous, high accuracy pH, EC/TDS and temperature measurements. This microprocessor indicator continuously monitors the three most important nutrient parameters in hydroponics, greenhouses and horticultural applications with a single instrument.Featuring a large, dual-level, backlit LCD the HI-991405-02 gives you instantaneous reading of pH, EC or TDS and temperature, even from a distance.     At start up, this indicator performs a self-check to...
£329.57
HI-993302 EC/TDS/Temperature Grocheck Monitor Hanna
Water resistant and chemically resistant, the HI-993302 has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications.This monitor from has a backlit LCD and displays instantaneous readings of both EC or TDS and temperature-even from a distance.The HI-993302-02 features a stability indicator that prompts the user when to take the reading. For manual recording purposes, readings can be frozen on the LCD display by pressing the HOLD...
£169.91
MC122 pH Controller Milwaukee
The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on when the reading is Above or Below ( user selected ) the selected set point.Each unit comes with 12 VDC adapter, mounting kit, probe, probe holder and starter calibration solution for pH. (factory calibrated for ORP)User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter and mounting kit Power plug for CO2...
£430.99
HI-98129 Pocket EC/TDS and pH Tester, Low Range Hanna
The HI-98129 is a waterproof tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter.Main benefitsEasy to read display and automatic shut-off pH and EC/TDS readings are automatically temperature compensated EC/TDS conversion factor is user selectable as well as the temperature compensation coefficient Features replaceable pH electrode together with an EC/TDS graphite electrode Calibrate direct into Hanna buffer solution sachetsKey featuresLarge LCD...
£233.81
MW102 Standard Portable pH / Temperature Meter Milwaukee
Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements.Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom, laboratory or for general field use.MW102 is a microprocessor based pH/Temperature meter with extended range (-2.00 to 16.00 pH), Automatic Temperature Compensation, automatic calibration in 2 points and ±0.02 pH accuracy. The meter is supplied with pH electrode and calibration solutions.
£425.99
HI-98129 Pocket EC/TDS and pH Tester, Low Range Hanna
The HI-98129 is a waterproof tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter.Main benefitsEasy to read display and automatic shut-off pH and EC/TDS readings are automatically temperature compensated EC/TDS conversion factor is user selectable as well as the temperature compensation coefficient Features replaceable pH electrode together with an EC/TDS graphite electrode Calibrate direct into Hanna buffer solution sachetsKey featuresLarge LCD...
£233.81
pH Control Dosing Pump
Fully Automated pH Control of Aqueous SolutionsThe pH control dosing pump from prosystemaqua provides fully automated pH control of aqueous solutions in hydroponic and aquaponic systems.It has been designed specifically for the control of pH in mixing tanks for fertilisation. Its small and precise flow allows for very accurate control of pH levels in your hydroponic system.It comes fully equipped with a complete installation kit including: pH electrode, suction and discharge fittings, suction and discharge pipes, and square pattern...
£240.00
HI-98130 Pocket EC/TDS and pH Tester, High Range Hanna
The HI-98130 is a water resistant tester that offers high accuracy pH, conductivity, total dissolved solids and temperature measurements in a single meter.Key featuresAutomatic 1 or 2 point pH calibration Rubberised keyboard Quick and easy to operate Easy switch between Celsius & Fahrenheit readouts HOLD function Easy to replace pH electrode cartridge with sturdy snap-in connector means there are no pins to bend or break Large LCD display pH and temperature displayed simultaneously Automatic temperature...
£233.81
HI-991300N pH/EC/TDS/C Handheld Meter
Measuring pH, conductivity, total dissolved solids and temperature in one slim lightweight casing and with one single probe - the HI-991300N is an ideal portable pH tester.There are only 2 buttons, yet you can select from a range of calibration buffers and even the temperature scale most familiar to you. The housing is waterproof and rated for IP 67 conditions.The HI-1288 pre-amplified multiparameter probe features an easy to clean sensor and a cloth junction that can be pulled longer to increase the life of the probe.Key...
£871.00
HI-991301N High Range EC, TDS, pH and °C Meter Hanna
The HI-991301 high range meter offers great precision at high range to meet exacting requirements for testing pH, electro-conductivity, total dissolved solids and temperature.Designed for optimum consistency and reproducibility the HI 991301 portable high range conductivity meter offers a great range of user selectable features to deliver greater consistency and reproducibilityDifferent TDS factors ranging from 0.45 to 1.00 Temperature coefficients (ß) ranging from 0.0 to 2.4%Key featuresClear tutorial messaging on screen...
£838.97
IntelliDose Replacement pH Probe Autogrow
Spare pH probe for the HydroGeneral. Simply plug in and use.
£74.99
HI-9811-5N pH/EC/TDS/°C Portable Meter Hanna
HI 9811-5 is a pH/EC/TDS waterproof meter designed for simplicity in taking pH, µS/cm, ppm (mg/L) and temperature measurements. Both the HI 9811-5 and HI 9812-5 are ideal for hydroponics, greenhouses, farming and ground water applications..Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. No probe changes are required when switching your measured parameter between pH, conductivity and TDS. These multiparameter meters reduce the number of instruments required for daily...
£371.88
HI-9812-5N pH/EC/TDS/°C Portable Meter Hanna
The HI 9812-5 is a pH/EC/TDS water resistant meter designed for simplicity in taking pH, µS/cm, ppm (mg/L) and temperature measurements. The HI 9812-5 is ideal for hydroponics, greenhouses, farming and ground water applications.Due to the built-in temperature sensor, conductivity readings are automatically compensated for temperature changes. No probe changes are required when switching your measured parameter between pH, conductivity and TDS. These multiparameter meters reduce the number of instruments required for daily water quality...
£318.95
PLANT!T pH Meter PLANT!T
The PLANT!T pH meter is reliable and easy to use. Small and lightweight, it is ideal for any growroom.The PLANT!T pH meter features:The LCD dual display shows pH and tempeature readings Calibration is easy with a one touch autocalibration and can give upto a 3 point calibartion The meter is IP65 waterproof rated
£40.00
Budget pH Meter
Budget pH meter used for measuring the pH of nutrient solution. A budget EC meter is also available here.
£35.00
Waterproof EcoTestr pH 1 EUTECH Instruments
Economical pH measurements is a breeze with the EcoTestr pH 1. Designed for fuss free measurements on the go. the EcoTestr pH 1 is ideal for quick pH measurements in hydroponic gardening, aquaculture and agriculture.Range: 0.0 to 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH Calibration: Up to 3 points (4.0,7.0 or 10) Auto Buffer Recognition. Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after last key press LCD display 31/2 digit with annunciator Power: 4 x A76/LR44 batteries included Operating...
£55.95
Intellidose Twin Peristaltic - Medium Duty Autogrow
A twin set of affordable, highly accurate dosing pumps for use with the AutoGrow IntelliDose and both of the AutoGrow Mini Dosers (EC and pH).
£320.00
IntelliDose Autogrow
Feature packedThis hydroponic doser sets a new benchmark in the small dosing controller market.  The Intelli-Dose is absolutely feature packed to enable it to cope with just about any hydroponic system. Just take a look at the specification overleaf.    Simple to operateThe secret to its simplicity is that the controller can be configured to suit various systems and when this is done all of the irrelevant settings disappear from the menus and PC screens.   In addition to this, the controller can even be...
£2,026.00
2 Way Soil Meter (Moisture & pH) ActiveAir
Gardeners can conveniently test their moisture and pH levels with this handy ActiveAir 2 Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist) and pH readings between pH 0 and pH 10 are represented. The durable and easy-to-read tester is suitable for indoors or outdoors and needs no batteries to operate.
£5.49
Waterproof EcoTestr pH 2 EUTECH Instruments
Economical pH measurements is a breeze with the EcoTestr pH2. Designed for fuss free measurements on the go. the pH 2 is ideal for quick pH measurements in hydroponic gardening, aquaculture and agriculture.Range: 0.0 to 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH Calibration: Up to 3 points (4.0,7.0 or 10) Auto Buffer Recognition. Automatic Temperature Compensation: Yes Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after last key press LCD display 31/2 digit with annunciator Power: 4 x A76/LR44...
£65.95
Waterproof pHTestr 10 EUTECH Instruments
pH measurement has never been easier with the pH Testr 10. Accurate, handy and user friendly, the pH Testr 10 is the best pocket tester in its class.Range: 0.0 to 15.0 pH Resolution: 0.01 pH Accuracy: ±0.01 pH Calibration: Up to 3 points (4.0,7.0 or 10) Auto Buffer Recognition. Automatic Temperature Compensation: Yes Non-Volatile Memory: Yes Hold Function: Yes Auto-Off: 8.5 minutes after last key press (Can be disabled) LCD display: Custom Dual Display 2.7(H) x 2.1 (W) cm Power: 4 x A76/LR44 batteries...
£104.95
Replacement Mini Doser Sample Pot With Adaptors Autogrow
These are great little machines aimed at the budget conscious and those who don't need a computer interface. Ideal for hobby gardeners, schools, etc. Even large commercial growers use them - particularly for water pre-treatment (pH) or if they have a trial area with a number of reservoir tanks.The new Mini Doser can work in units of EC, CF or TDS. The complete kit comes with a sensor and two economy solenoid valves pre-wired on a small panel.
£69.99
Economy Solenoid Valve wired for Mini Doser Autogrow
These are great little machines aimed at the budget conscious and those who don't need a computer interface. Ideal for hobby gardeners, schools, etc. Even large commercial growers use them - particularly for water pre-treatment (pH) or if they have a trial area with a number of reservoir tanks.The new Mini Doser can work in units of EC, CF or TDS. The complete kit comes with a sensor and two economy solenoid valves pre-wired on a small panel.
£69.99
pH PAL Plus pH Tester ETI
The pH PAL Plus tester is a user-friendly and simple to use pH meter that incorporates an automatic calibration feature. At the touch of a button, the instrument will automatically re-calibrate itself when used in conjunction with a 7.00 pH buffer solution.The pH PAL Plus is housed in a water resistant case and features an easy to read 8 mm LCD display indicating pH over the range of 0 to 14 pH with a resolution of 0.1 pH and an accuracy of ±0.2 pH. This pH tester is ideal for measuring pH in food processing and water testing...
£60.00
Waterproof pH55 Pen Milwaukee
Easy to use entry level pH pen. Reads both pH & temperature. The 'easy read' large display and reading hold button make this a great product for beginners. Complete with battery.
£58.99
pH Tester with 1 Point Calibration pH600 Milwaukee
pH600 pH Economical Pocket TesterMilwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of salt or dissolved solids (TDS) in water.Milwaukee provides you with a range of pocket testers that will allow you to measure from very low to very high conductivity solutions. All EC/TDS testers compensate for the temperature variance automatically.The pH600 is a pH tester specifically designed for the...
£45.99
Portable pH Meter MW100 Milwaukee
Entry level pH meter, with large easy read digital display. Complete with manual temperature adjustment and 9V battery.
£113.99
Water Proof pH Meter TransInstruments
Fully water proof meters shown above, definitely worth the extra initial outlay.
£60.00
pH Controller Connect - Monitor & Doser Bluelab
Clever monitoring, dosing and data logging of solution pH levels. Made easy.Sometimes the more you know, the better. And when it comes to managing the pH of your nutrient solution, exact knowledge makes a world of difference.Our brainy pH controller connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make system changes faster for the ultimate crop. You can also change the settings from your...
£565.99
Waterproof pH/EC PCTestr 35 EUTECH Instruments
Basic multi parameter measurements on the go is so easy! Eutech's Testr 35 multi-parameter series allows you to measure pH conductivity and temperature with just one handy instrument. Made to fit your pocket both in size and budget.pH Range: 0.0 to 15.0 pH pH Resolution: 0.1 pH pH Accuracy: ±0.1 pH EC Range: 0.0 to 199.99uS/200/1999uS/2.00mS to 20.mS EC Resolution: 0.1uS/1uS/0.01mS EC Accuracy: ±0.1 % Temperature coefficient: 0.0 to 10.0%/Degree C Normalisation Temp: 25.0 Degree C Calibration: 3 points auto / 3 point...
£155.95
Combo Meter Bluelab
It’s all you need for simple and reliable crop management and it’s all within arm’s reach!The Bluelab Combo Meter is a pH, conductivity and temperature meter all in one.The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen.As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrient...
£200.00
Smart Continuous pH Monitor MC110 Milwaukee
The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user selectable set-point. An LED visual alarm is activated and flashes when the pH, EC or TDS level rises either Above or Below (user selected) that set-point.All these instruments run on a 12V adapter so there's no need to worry about failed batteries and each unit comes with mounting kit, probe, probe holder and starter calibration solution.User selectable Hi/Low Set Point Manual 2 points...
£140.00
Soil pH Meter Bluelab
If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just what you need. This hand-held meter comes with a Soil pH Probe, Dibber/Auger, pH4.0 and pH 7.0 calibration solutions, plus a helpful Quick Start guide.Make a hole in the media using the dibber to ensure it is free from coarse particles. Place the soil pH probe into the hole for a direct pH measurement. Soil pH can also be measured by taking soil solution samples.The Bluelab Soil pH Meter can be used by everybody from the home...
£230.00
Replacement Soil pH Probe Bluelab
The Bluelab pH Probe is a replacement pH probe suitable for use with Bluelab products that use a BNC fitting.pH probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip moist and cleaning once a month) you will extend its life.The Bluelab pH Probe has a double junction reference providing longer life and is a gel filled non-refillable probe so is maintenance free.FeaturesEasy to clean Gel filled (non-refillable) Double junction Waterproof cable...
£93.00
MW802 pH & Conductivity Combination Meter Milwaukee
3 meters in 1! This meter allows you to measure pH, EC (conductivity) and TDS with just one instrument and one single probe!The MW802, with a conductivity range that goes up to 6.00 mS/cm and the TDS up to 4000 ppm is ideal for testing in crop production. Soil and well water pH that is too acidic or alkaline can have an adverse effect on plant nutrient and water uptake and directly effect the efficiency of fertilizer, herbicides and pesticides. Soil Conductivity is checked before fertilizer application to pinpoint field needs and after...
£259.00
pH / Conductivity / Temperature Professional Portable Meter MI806 Milwaukee
Mi806 pH / Conductivity / TDS / Temperature Professional Portable MeterMeasures 4 parameters with 1 single probe. Mi806 offers you a combination of pH, Conductivity, total dissolved solids and temperature measurements. You can select from a range of calibration buffers and also the temperature scale (°C or °F) can be selected. The multi-parameter probe MA851D/1, includes pH/EC/TDS and temperature, all in one rugged handle.Other features include different TDS factors from 0.45 to 1.00, and a range of temperature coefficients (ß) from...
£478.00
pH Meter for Soil MW101-Soil Milwaukee
Entry level, inexpensive pH/ORP/Temperature Portable Meter for fast and reliable results.This handy and ergonomically designed portable meter is ideal for anyone working on a low budget and still requires fast and reliable measurements.This portable meter is suitable for a wide range of applications, such as Educational, Agriculture and Horticulture, as well as water and environmental analysis.This easier and faster to calibrate portable meter have a smaller, ergonomic and lighter case design. Other features include 100% larger and...
£223.99
pH Test Kit - Narrow Spectrum Essentials
Our ESSENTIALS pH Test Kit is good for 150 tests. At a rate of 3 tests per week, it will last one year. This makes it excellent value for money. Covers a pH range of 5.6-7.4 measuring in 0.2 increments.
£4.20
pH Test Kit - Wide Spectrum Essentials
Our ESSENTIALS pH Test Kit is good for 150 tests. At a rate of 3 tests per week, it will last one year. This makes it excellent value for money. Covers a pH range of 4-8.5 measuring in 0.5 increments.
£4.20
pH Water and Drop Resistent Meter Essentials
The Essentials pH meter is truly the most rugged glass type pH tester around. It is water and drop resistant. Easy to use, just dip the sensor into test solution, stir and wait. The unit will deliver a stable reading in about 20 seconds.
£52.80
Bluelab Connect Stick Bluelab
Get connected – data log and view nutrient measurements from your crop wirelessly.The Bluelab Connect Stick receives wireless data from Bluelab Connect Monitors, logging the data to the cloud. ONE Connect Stick will receive data from multiple Bluelab Connect Devices.Simply place the Connect Stick into a USB port on your computer, download and install the FREE Connect Software from the Bluelab website to begin monitoring crop performance wirelessly. View readings from your PC or mobile device so you know if your crop requires...
£144.99
Bluelab Connect Range Extender Bluelab
Boost the range between Bluelab Connect products.The Bluelab Connect Range Extender is required if you need to boost the signal range for wireless monitoring of your crop.Simply plug into a power supply to use when there is a longer distance to cover between Bluelab Connect devices and the Bluelab Connect Stick. For extra-long distances multiple Connect Range Extenders can be used.FeaturesInternational Power Supply included (may differ from image shown) Increases range or signal strength to Bluelab Connect...
£156.00
pH Controller Bluelab
Hands-free monitoring and dosing of solution pH levels. Simple.We know pH levels can be the difference between a great crop and well, a disaster. Measuring and adjusting nutrient solution levels constantly can be time-consuming. And let’s face it; you have better things to do.Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it, and forget. The pH is taken care of. So you can relax…FeaturesAutomatic control and monitoring of system pH with reservoirs up to 200 US gal /...
£512.00
Replacement Probes for COM-100 & PH-200 HM Digital
Replacement sensor probes for the high end COM-100 and pH-200 meters.
£30.84
PH-80 PH/Temp Meter - Value pH Meter HM Digital
Measures EC, TDS and temperature. Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl). Automatic temperature control (ATC) using three temperature co-efficiencies.High-end EC meter Three different non-linear EC-to-TDS conversion factors (KCl, 442TM, NaCl) Automatic temperature control (ATC) using three temperature co-efficiencies Digital calibration (push button) to any point within the meter’s range Auto-off function, data-hold function and low battery indicator Display: large and...
£58.00
PH-200 - High End Waterproof pH/ Temp Meter HM Digital
Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration.Includes a 7.0 pH buffer powder packet and a dropper of KCI electrode storage solution.High-end PH meter Resolution: pH: 0.01 pH, 0.00 – 14.0 pH Accurate to +/- 0.02 pH Automatic Calibration: Auto-ranging to 4, 7 or 10 pH by push button digital calibration Low battery indicator Replaceable probe Clear cap to notice moisture(or lack of) on probe Glass encased electrode – helps retain moisture Includes a 7.0 pH buffer powder packet...
£101.00
pH Pen Bluelab
The ultimate handy solution for measuring pH!Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right.A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH.The Bluelab pH Pen is the latest innovation for hand held meters. It provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy...
£80.00
8000 pH Meter & Interchangable Electrode ETI
The 8000 pH meter features an easy to read, LCD display and is supplied with a general purpose combination glass electrode.The 8000 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and an accuracy of ±0.05 pH. The pH readings are manually temperature compensated over the range of 0 to 60 °C (default 25 °C).The unit will power off automatically after ten minutes, maximising battery life.At the touch of a button, the instrument will automatically re-calibrate itself when used in conjunction with pH...
£80.00
8100 pH and Temperature Meter Kit ETI
The 8100 pH and temperature meter features an easy to read, LCD display and is supplied as a kit which includes a 8100 pH meter, general purpose combination glass electrode, temperature probe, 4.01 and 7.00 pH buffer solutions and carrying case.The 8100 pH meter indicates pH over the range of 0 to 14 pH with a resolution of 0.01 pH and temperature over the range of 0 to 99.9 °C with a resolution of 0.1 °C. The pH readings are automatically temperature compensated over the operating range of 0 to 50 °C utilising the temperature probe...
£162.00
pH Meter Bluelab
When measuring the pH of a solution is important… reach for the Bluelab pH Meter.The Bluelab pH Meter is used to accurately measure the pH value of a solution.Simply place the Bluelab pH probe into the solution and the reading will be displayed on the screen. As the meter is portable and does not need a power supply to operate, it can be used anywhere and anytime to help you manage your crops’ daily nutrient requirements.Calibration is simple with the push buttons on the meter and fresh Bluelab...
£115.00
Replacement pH Probe Bluelab
The Bluelab pH Probe is a replacement pH probe suitable for use with Bluelab products that use a BNC fitting.pH probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip moist and cleaning once a month) you will extend its life.The Bluelab pH Probe has a double junction reference providing longer life and is a gel filled non-refillable probe so is maintenance free.FeaturesEasy to clean Gel filled (non-refillable) Double junction Waterproof cable...
£70.00

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