Specification :

Protable TDS meter
1 Range: 0~ 9990ppm ( mg/ L)
2 Resolution: 1 ppm ( mg/ L)
3 Auto Shut-off and Data Hold
4 Temperature Compensation: Automatic
5 Accuracy: ± 2% F.S
6 Calibration: Factory Calibrated
7 Operating Temperature: 0~ 50° C
8 Power source: 2× 1.5v( button cell)
9 TDS meter size: 142X 25X15mm
10 TDS meter weight: 36g

OPERATING INSTRUCTIONS
1.remove the protective cap.
2.press the ON/ OFF button once out of the water. The TDS meter
will read “ 000�
3. Immerse the TDS tester into the water no more than 2 inches.
4.wait for the display to stabilize. The TDS testerautomatically 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 TDS tester. The TDS testerwill shut off automatically after 10 minutes of non-use.
6.after usage, shake off the water from your TDS testeror wipe it with a tissue.
Note: If the tester displays a flashing� X10� icon, multiply the reading by 10