pH/EC/TDS/Temp Meter

pH/EC/TDS/Temp Meter
pH (0.01- 14.00 pH);
Resolution: 0.01 pH;
Accuracy:±0.05 pH
TDS (0--999ppm 1000-9990ppm)
Resolution: 1 ppm; 10ppm
Accuracy: ±2%
EC (0-9990μs/cm; 10.01-19.99mS/cm)
Resolution: 1μs/cm; 0.01 mS/cm
Accuracy: ±2% Temperature (0.1-60.0°C 32.0-140°F)
Resolution: 0.1°C;
Accuracy: ±0.5°C 
Calibration: pH at three points; EC TDS at 1413μs/cm
Auto Temp Compensation: 0-60.0°C
Environment: 0-60.0°C; 
Battery: 3*1.5V
Auto shut off: 5 minutes (lower power battery indicator)
Dimension/ Weight: 183*37*37mm / 90g