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:
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Measuring range
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pH:
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0.01-14.00ph ph meter ec tds meter
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TDS:
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1-20000ppm
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EC:
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1-20000us/cm
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Resolution
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pH:
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0.01ph
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TDS:
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1ppm
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EC:
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1us/cm
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Accuracy
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pH:
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+/-0.01ph
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TDS:
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+/-2%
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EC:
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+/-2%
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Automatic temperature compensation
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0-60℃
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Battery
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3*1.5V(LR44 button cell)
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Operating temperature
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0-60℃
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Calibration
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Automatic calibration
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