Water Quality TDS Meter

SPECIFICATIONS: *Range:0~9990ppm (mg/L) *Accuracy: ±2%F.S *Calibration:Factory Calibrated *Temperature Compensation: Automatic *Operating Temperature: 0~50°C *Power source: 2×1.5v(button cell) *size: 142X 25X15mm *weight: 36g OPERATING INSTRUCTIONS 1. remove the protective cap. 2. press the ON/OFF button once out of the water. The tester will read "000” 3. Immerse the tester into the water no more than 2 inches. 4. wait for the display to stabilize. The tester automatically compensates for temperatures variations. Once the readout stabilizes(10-30seconds), press the HOLD button to view out of the water. 5. press the ON/OFF button again to turn off the tester. The tester will shut off automatically after 10 minutes of non-use. 6. after usage, shake off the water from your tester or wipe it with a tissue. Note: If the tester displays a flashing”X10”icon, multiply the reading by 10.