Digital Pocket ORP Meter/Potential Negative Redox Tester/Water Quality Tester/Water Quality Test Tool(QY-ORP001B)

Product features:Range Range: 0 ~ ± 1999mg/LmVResolutionResolution: 1mVAccuracy: Accuracy: ± 5mVVoltage Battery: 2 * 3.0V (AG-13 batteries)Operating Temperature Operating Temperature: 0 º C ~ 50 º CCalibration Calibration: 1 point calibrationDisplay with backlight off automatically when the data function

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Product features:
Range Range: 0 ~ ± 1999mg/LmVResolution
Resolution: 1mV
Accuracy: Accuracy: ± 5mV
Voltage Battery: 2 * 3.0V (AG-13 batteries)
Operating Temperature Operating Temperature: 0 º C ~ 50 º C
Calibration Calibration: 1 point calibration
Display with backlight off automatically when the data function to keep Argentina

1)Remove the protective cap. Do not be alarmed if white crystals appear around the cap. This is normal with ORP electrodes and they dissolve when rinsed with water.
2)Turn the meter on sliding the switch on the top.
3)Immerse into solution up to the max immersion level.
4)Stir gently and wait until the display stabilizes.
5)After use, switch off ORP meter, , use the water clean the electrode and replace the protective cap.

A) Do not use distilled or deionized water for storage purposes.
B) Large fluctuations in readings could be due to lack of calibration, dry electrode or rundown batteries.
C) Attention: During 2-3 weeks, put electrodes in 3mol/L KCL solution for 12 hours, to make sure the reading within accuracy.

If calibration can not be performed or the display fades, batteries must be replaced. Slide off the battery compartment cover and replace all four 1.5V alkaline batteries, while paying attention to the correct polarity.
Batteries should only be replaced in a non-hazardous area and using the battery type specified in this instruction manual
Pocket Digital ORP Meter/Negative Oxidation-Reduction Potential Tester/Water Test Meter/Water Testing Tools (QY-ORP001B)

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