Pro Hydrometer

Every growing environment needs a Pro-hydrometer™ to accurately measure and monitor your indoor environment. An external probe is provided to ensure readings are taken exactly where you need. Features: An LCD displays temperature and humidity in metric or imperial Deg 0C/ 0F Display your maximum and minimum readings at the flick of a button Reset with ease from the front panel Accuracy tolerance of no more than +/- 1% Adapted for hydroponic e..

£11.95