Key benefits Pocket size and lightweight design for easy carrying and use anywhere Switchable backlight and large LCD display for clear readings in all lighting Simultaneous EC and temperature measurement for quick water quality assessment Simple operation: dip the electrode, wait for readings to stabilize, then automatic calibration What it measures and how it helps Measures electrical conductivity (EC) and temperature to assess water quality across a range of environments Suitable for monitoring health of water in diverse systems with reliable results Designed for convenient, repeated use in professional or hobby settings How to use Dip the electrode into the solution to be tested Readings stabilize normally in 5 to 10 seconds Press and hold the MODE button for 6 seconds to initiate automatic calibration after stabilization Applications Hydroponics and soil growing systems to monitor nutrient levels Aquariums and aquaculture setups to maintain suitable water conditions Spas, swimming pools, laboratories, and other water systems requiring EC and temperature monitoring Specifications and features Pocket size, lightweight, portable Switchable backlight for reading in low light Large LCD display for easy viewing Measures EC and TEMPERATURE simultaneously Simple dipandmeasure operation with automatic calibration after stabilization (5–10 seconds) by holding MODE for 6 seconds