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Spare pH/ORP Sensor for HI769819X Probe


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The HI7698194-1 is a replaceable pH/ORP sensor for use with Hanna’s family of multiparameter portable meters and probes. The sensor body is constructed of durable PEI material and are gel filled to increase resistance to contamination. The HI7698194-1 contains a glass pH sensing tip with a platinum ORP sensing pin. Each module is color coded for easy installation and integration with the probe.
  • PEI Sensor Body
  • Removable Cloth Junction
  • Color Coded Sensor


PEI Sensor Body

The PEI (polyetherimide) electrode body is suitable for a wide range of applications and excels in field measurements due to its durability. The shielding around the spherical glass tip minimizes breakage due to accidental bumping or dropping of the electrode. The PEI plastic is a high-quality plastic that is chemically resistant to many harsh chemicals.

Double Junction Electrode

A double junction electrode has an internal compartment surrounding the reference wire. Silver ions are present in the electrolyte of the internal compartment, which houses the Ag/AgCl reference wire; the electrolyte outside this compartment is silver free. The double junction design means that virtually no silver from the electrode enters the sample. This design allows measurement in applications where silver ions in the sample are undesirable or silver precipitates on the junction are likely to form.

Cloth Junction

The pH sensor has gelled electrolyte and a retractable cloth junction. When readings appear sluggish, simply pull out some of the cloth material to renew the junction with a fresh surface.

Color Coded Sensor

Sensors are color coded to match sensor ports on the probe for quick, field-replaceable, screw-type, connection and identification.




Sensor HI7698194-1
Description pH/ORP sensor
Measurement Type pH, pH-mV, ORP
Measurement Range 0.00 to 13.00 pH; ±600.0 pH mV; ±2000.0 mV (ORP)
Temperature Range -5 to 55 °C
Color Code red
Tip glass (pH), Pt (ORP)
Body PEI
Electrolyte gel
Reference double
Maintenance HI70300 (storage solution)
Dimensions 118 x 15 mm
Depth 20 m (65’)