7 In 1 Digital Salinity PH TDS TEMP SG EC ORP Tester Water Quality Monitor Meter

Features: 
data-hold function and low-battery indicator
Measures PH,TDS,TEMP,EC,Salinity,SG,ORP.
Calibration Conductivity EC: Supports 3-point calibration automatic identification (1413us 12.88ms and 111.8ms) with 3 calibration points (1413uS/cm 12.88mS/CM 111.8mS/CM) pH: 1 point (6.86) or 2 points (6.86 4.00) ) (6.86 9.18) or 3 points (6.86 4.00 9.18) can automatically identify the calibration solution
Waterproof rating: IP67
Sleek, lightweight design
Automatic Temperature Compensation (ATC)
Power consumption 2.9 mA, power consumption is 0
The accuracy within 150ppt is relatively accurate, and the deviation above 160ppt is large.
Automatic shutdown :5 minutes
Power source: 3x1.5LR44

Specifications:
1. EC:
Range: 0-10000us/cm, 10.01- 19.99mS/cm, 20.1400.0mS/cm (Convert range automaticly)
Resolution: 1uS/cm; 0.1mS/CM;
Accuracy: ±2% F.S.
2. TDS:
Range: 0-10000ppm, 10.1- 200.0ppt (Convert sangeautomaticly)
Resolution: 1ppm; 0.1ppt
Accuracy: ±2% F.S.
3. Salinity:
Range: 0.01%-25.00%
Resolution:0.01%
Accuracy: 0.01-5.00% (±0.1%); 5.1-25.0% (±1%)
4.pH:
Range: 0.01-14.00рH
Resolution: 0.01pH
Accuracy: ±0.05 pH
5. ORP:
Range: 0~±999mV
Resolution: 1mv
Accuracy:±2mv
6. S.G:1.000 -1.222
Working environment: 0 to 60.0 ° C (32.0-140 ° F); RH 100%
7.Temperature :
range: 0.1-60.0 °C 32.0-140 °F
accuracy: ±0.5°C
resolution: 0.1 °C / °F
Size: Approx. 183 x 37 x 37mm / 7.2 x 1.5 x 1.5in

Package contains:
1x 7 in 1 Water Quality Monitor Meter