pH/Salinity/EC/TDS/Temp Meter

pH/Salinity/EC/TDS/Temp Meter
pH (0.01- 14.00 pH);
Resolution: 0.01 pH;
Accuracy:±0.05 pH
Salinity (0.00-25.0%; 0-9990ppm; 10.1-200.0ppt)
Resolution: 0.01%, 0.1%; 1ppm; 10ppm; 0.1ppt
Accuracy: ±0.1%, ±1%; ±2%
EC (0-9990 uS/cm 10.01-19.99mS/cm 20.1-400mS/cm)
Resolution: 1 uS/cm 0.1 mS/cm;
Accuracy: ±2% TDS (0-999ppm; 1000-9990ppm; 10.1-200.0 ppt)
Resolution: 1 ppm; 10ppm; 0.1 ppt
Accuracy: ±2% Temperature (0.1-60.0°C 32.0-140°F)
ATC Temp compensation;
Auto shut off: after 5 minutes
Environment: 0.1-60.0°C ; 32.0-140°F RH100% 
Replaceable electrode;
support backlight; IP67