Main Specifications:

       Measuring range Range: 0 ~ ± 1999mg / LmV
     Resolution Resolution: 1mV
     Accuracy: ± 5mV
     Operating voltage Battery: 2 * 3.0V (AG-13 battery)
     Operating temperature: 0 ℃ ~ 50 ℃
     Calibration: 1 point calibration

operatingstep:


     1. Remove the protective cover.
     2. Touch the "ON / OFF" switch to turn on the power.
     3. The electrode into the measured solution， gently shaking， to be shown after the value of the display value.
     4. Touch the "HOLD" key to keep the current measured value. If you need to re-measure， then press the "HOLD" button to automatically release the state.
     5. After use， press the switch， wash the electrode with distilled water， put on the protective cover.
   
    Battery installation: If the display is blurred or not displayed， replace the battery promptly. When replacing the battery， unscrew the cover and replace it. Note the battery polarity.