ORP redox negative potential pen type ORP meter hydrogen-rich water potential measurement water quality test pen detection instr
Technical Details
Accuracy: | ± 5 mV |
Calibration: | 1 point |
Display Type: | Digital |
Measuring Range: | -1999 to 1999 mV |
Model Number: | ORP-169E |
Resolution: | 1 mV |
With Backlight Or Not: | Yes |
Working voltage: | 4 x1.5V |
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