Hydroponics HM DIGITAL EC-3 CONDUCTIVITY METER
'Essential for Re-circulating Hydroponic Systems'
Measuring the strength of the nutrient solution is a must to ensure best possible results. This is particularly important when using re-circulating hydroponic systems, in which the electrical conductivity (EC) can rise or fall as the nutrient solution re-circulates. Such hydroponic systems are NFT Gro-Tanks, IWS Flood and Drain Systems and Amazon Aeroponic systems.
Rigorously tested in the Aquaculture greenhouse, this entry level EC meter from HM Digital is proven to be highly reliable and well-priced, perfect for growers on a budget. Features include:
A 'hold' function to save measurements.
Auto-off after 10 minutes to save battery life.
Automatic temperature compensation.
Built-in digital thermometer.
The HM Digital EC Meter's 1000 hour battery life is surprisingly good considering it only uses 2x 1.5v watch batteries (included with every pen). Although this meter is robust, it will not survive being dropped in water.
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