Digital PH meter with auto calibration

Specifications
1.Measuring range: PH:0.00-14.00 PH
Temp.: 0.1°C-80°C
2.Resolution: PH: 0.01PH
Temp.: 0.1°C
3.Precision : PH:+/- 0.01 PH
Temp.: +/-0.5°C
4.Automatic temperature compensation: 0—80°C
5.Battery:   3 *1.5 V(AG-13)
6.Operation temperature:  0—80°C
7..Calibration:   Automatic two  point calibration
8.Auto shut off function: 4 minutes
9.Size :183mm*37mm*37mm
10.Weight :  80g

Operation Steps:
1.Take off the protective sleeve
2.Clean the Electrode with distilled water and wipe clean the spare water.
3.Press the “ON/OFF” button .Switch on the power.
4.Put the PH meter in the solution .Make sure the electrode  immersed in the solution.
5. Lightly shake the meter, read the data when the numeric stabilized.The temperate displays at the bottom of the screen .
6. Press the “ON/OFF” button to shut off  the instrument .
Clean the electrode, cover the electrode protective sleeve.