**EC/CF/PPM** This item is a 3 in 1 Nutrient Tester to determine the nutrient levels in a solution with 3 parameters (CF, EC and PPM). If you use hydroponics to grow fruits and plants, it is necessary to know the strength of nutrients. This dipstick is easy to use and give you quick and accurate results after you dip the sample solution. The probe is waterproof and will automatically power on and off when it senses solution. Features: Measure EC (Electricity Conductivity), CF (Conductivity Factor) and PPM (parts per million) in one stick High conductivity measurement for wide range of crops Waterproof Probe Easy to use, no external buttons Automatic Power On / Off when the meter senses solution Built with Automatic Temperature Compensation (ATC) Factory pre-calibrated Measuring range: CF: 4 ~ 44 CF EC: 0.1 ~ 5.2 EC TDS: 200 ~ 2600 ppm (EC x 500) TDS: 280 ~ 3640 ppm (EC x 700) Resolution: CF: 1 CF EC: 0.1 EC TDS: 50 ppm (500 conversion factor) TDS: 70 ppm (700 conversion factor) Accuracy: ±4 % of reading Calibration: Factory calibrated Auto sense: Auto ON and Auto OFF Batteries: 3 x 1.5 V AA Batteries (Included) Automatic Temperature Compensation: 0 ~ 60 °C (32 ~ 140 °F) Environment: RH 95% max; 0 to 60 °C Item Size: 415cm (L) x 28cm (W) Item Weight: approx. 168 g
