TDS-3 Water Quality Tester Range 0-9990ppm

Lock function: makes it easy to read and record, press HOLD button then remove from test solution.
4 Display modes: press SHIFT button: TDS – ppm & ?C, EC – ?s/cm & ?C, TDS – ppm & ?F, EC – ?s/cm & ?F.
5 minute Auto Shut Off feature, so battery won’t run down.
Measurement Range: Conductivity: 0 – 9990 ?s/cm
TDS: 0 – 9990 ppm (parts per million)
Degrees Celsius: 0.1 – 80.0?C
Fahrenheit: 32.0 – 176.0?F
Accuracy: ? 2%
Net weight: 55g
Battery: 1x3V CR2032 ( No included )