Ohaus ORP Pen Meter

ST10R and ST20R can bring measurement of ORP to virtually anywhere your need for the measurement of the availability of electrons in a liquid lies. Both models provide almost instantaneous results and the ST20R offers the ability to freeze the reading right on the display to provide additional time for data logging.


Application Laboratory
Brand Name Ohaus

Additional Information

Min. Order Quantity 10 Piece

Technical Specifications

Model ST20R ST10R
Range -1000mV-1000mV -1000mV-1000mV
Resolution 1mV 1mV
Accuracy 2mV 2mV
Temperature Range 0.0-99.0 °C NA
Temperature Compensation Yes NA
Display Dual Single
Calibration NA NA

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