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Spare pH Sensor for HI769819X Probe


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The HI7698194-0 is a replaceable pH sensor for use with Hanna’s family of multiparameter portable meters and probes. The sensor body is constructed of durable PEI material and contains a double ceramic junction design. The HI7698194-0 contains a glass pH sensing tip combined with an Ag/AgCl reference electrode in gel electrolyte. Each module is color coded for easy installation and integration with the probe.
  • PEI Sensor Body
  • Ceramic Double Junction Reference
  • 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.

Ceramic Double Junction Reference

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.

Color Coded Sensor

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




Sensor HI7698194-0
Description pH sensor
Measurement Type pH, pH-mV
Measurement Range 0.00 to 13.00 pH ; ±600.0 pH-mV
Temperature Range -5 to 55 °C
Color Code red
Tip glass (pH)
Junction ceramic
Body PEI
Electrolyte gel
Reference double
Maintenance HI70300 (storage solution)
Dimensions 118 x 15 mm
Depth 20 m (65’)