The HM EC/TDS Hydro Tester is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for nutrient testing.
- Hold Function
- Auto-off Function
- Includes a TDS chart sticker on the back of the meter that explains TDS values
- Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).
- Range: 0 – 9990 ppm (mg/L)
- Resolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a ‘x10’ icon)
- Accuracy: /- 3%
- EC-to-TDS Conversion Factor: NaCl (avg. 0.5)
- Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
- Battery life: Approx. 1000 hours of usage