Unido Box Global PÜRATest TDS Digital Meter with LCD Screen for Water Quality Testing -9990 ppm TDS Measurement Range 1 ppm Resolution 2 Readout Accuracy TDS Tester-Blue

TDS Meter Tester: Specification: - Range: 0~9990 ppm (mg/L) - Resolution?1mg/L?ppm - Accuracy: ±2% - Batteries: 4 x 1.5V (included) - Battery life: approx. 1000 hrs - Operating temp: 0~50 centigrade - No Calibration - Auto-off time: 10 minutes - Weight: 68g. Operation: - Take off the cover and turn on the meter - Submerge the item for no more than 5cm - Wait for 10~30 seconds and press the "hold" button to get the the accuracy readings - Clean the electrode after using, dry it up and put it in packing box Package includes: 1 x TDS Meter, 2 x 1.5V LR44 button batteries (built-in), 1 x Carrying case, 1 User manual.