Professional Waterproof ORP Meter Pen Water Quality Detector Redox Tester Measurement Test Tool
Specifications:
Range: 0-±1999mg/LmV
Resolution: 1mV
Accuracy: ±5mV
Battery: 4 X 1.5V (AG-13 Battery)
Operating Temperature: 0 to 50
Calibration: 1 point calibration
Size: 188 X 35 X 35mm/7.4 X 1.38 X 1.38"
Weight: 118g

Operation steps:
1. Remove the protective cover.
2. Touch the "ON/OFF" switch and power-on.
3. The electrode is placed in the measured solution, gently shaking, and the display value is read when the value is stable.
4. Touch the "HOLD" key to maintain the current measurement. If you need to remeasure, press the "HOLD" key to automatically remove the maintain state.
5. After use, press the switch, clean the electrode with distilled water and set the protective cover.

Battery installation:
If the display is blurred or not shown, replace the battery in time. When replacing the battery, rotate the top cover and replace it. Note the polarity of the battery.

Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.
 

1 X ORP Meter Pen