ORP: -1200mV +1200mV. EC: 0.00-19.00mS/cm,20.1-200.0mS/cm. PH: 0.01-14.00pH. Material: ABS. 1 Water Quality Monitor. 1 Adapter（Plug US/EU）. Temperature: 0.1°C -80.0°C, 32.1°F-176°F.
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