5 in 1 TDS EC SALT S.G. Temperature Meter Digital Water Quality Monitor Tester for Pools Drinking Water Aquariums with Backlight

Specifications: Model: C-100 (with Backlight)/ C-100A  (optional) EC: Range: 0 to 10000uS / cm 10.01-19.99mS 20.1-400mS / CM Resolution: 1uS / cm; 0.1 ms / cm; Accuracy: ± 2 ? F.S TDS: Range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt (auto out of range) Resolution: 1ppm; 0.1 point Accuracy: ± 2 ? F.S salinity: Range: 0.00 to 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (± 0.1%) 5.10-25.00% (± 1%) SG: specific gravity of seawater 1.000-1.222 calibration: EC: Three-point calibration is optional (1413uS 12.88mS 111.8mS) Temperature compensation: ATC Operating environment: 0 to 80.0ºC (32.0-176F); <90% TDS coefficient: 0.5 Temperature range: 0.1-80.0ºC 32.0-176ºF Temperature accuracy: + 0.5ºC Temperature resolution: 0.1ºC / ºF Automatic shutdown: 5 minutes Power: 3x1.5 LR44(Not Included) Screen size: 28 * 17mm Size / weight: 159 * 34 * 16mm (6.31 * 1.3 * 0.6in) / 60g (2.1oz) Display: support backlight Battery: Low battery indicator Package List: 1 * Water Tester 1 * User Manual Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.