edge® Compatible Digital DO/Temperature Electrode

SKU : 4d1a4a979995

The HI 764080 is a digital dissolved oxygen electrode with built-in temperature sensor. This ultra-thin, Clark-type polarographic electrode is designed for measuring DO in aqueous solutions and contains a built-in microchip that stores sensor type, serial number, and calibration information. The sensor features a platinum cathode with a silver/silver chloride anode, an integrated temperature sensor, and easily replaceable PTFE membrane caps. This probe features a 3.5 mm connector designed exclusively to be used with Hanna Instruments edge® Tablet Meters.

  • Ultra-Thin Body
  • Replaceable Membranes
  • 3.5 mm Connector
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built-in microchip

Built-in Microchip

The built-in microchip stores sensor type, serial number and calibration information including date, time, offset, slope, probe condition and buffers used. This information is automatically retrieved by edge® once the electrode is plugged in. The ability to transfer information allows for hot swapping of probes without having to recalibrate. All DO measurements are performed within the electrode and transferred digitally to the meter. This overcomes any noise issues associated with the traditional high impedance analog measuring system. Electrical noise can be generated from a built in temperature sensor and while working in a humid environment.

ultra-thin body

Ultra-Thin Body

The ultra-thin, 12mm, design allows for convenient measurement in narrow vessels such as test tubes.


replaceable membrane

Replaceable Membranes

With screw-on caps, edge® DO PTFE membranes are easy to replace for faster maintenance.

Features at-a-glance:

  • Digital Microprocessor
  • Ultra-thin design – 12mm body for convenience
  • Replaceable membranes – easy screw on for easy maintenance
  • Polarographic sensor
  • Built-in temperature sensor
  • 3.5mm digital plug – easy to plug in, no alignment necessary



Specification NameDetail
ReferenceAg/AgCl, glass encapsulated platinum
Range0 to 300% oxygen saturation
Recommended Operating Temperature0 to 50?C (32 to 122?F)
Tip / Shapepolarographic membrane
Body Length120 mm
Temperature Sensoryes
Body MaterialPEI
Cable1 m (3.3′)
Recommended Useedge multiparameter
Connection3.5 mm connector