4 in 1 Digital Water Quality Tester Pen Type pH, TDS, EC, Temperature Meter for Water Quality Monitoring
- Three Points Automatic Calibration
- When the calibration is wrong, the screen will display Err for three seconds, then automatically restore the previous state.
- Range: 0.00-14.00
- Made in China
Specifications: | ||
Measuring range | pH: | 0.01-14.00ph ph meter ec tds meter |
TDS: | 1-20000ppm | |
EC: | 1-20000us/cm | |
Resolution | pH: | 0.01ph |
TDS: | 1ppm | |
EC: | 1us/cm | |
Accuracy | pH: | +/-0.01ph |
TDS: | +/-2% | |
EC: | +/-2% | |
Automatic temperature compensation | 0-60℃ | |
Battery | 3*1.5V(LR44 button cell) | |
Operating temperature | 0-60℃ | |
Calibration | Automatic calibration | |
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