PONSEL DIGISENS 4-Electrode Conductivity Sensor

PONSEL C4E conductivity sensor


The PONSEL 4-electrode conductivity sensor can simultaneously output temperature, specific conductivity, salinity, and total dissolved solids in a digital format.


  • 4-Electrode conductivity sensor (2 graphic & 2 platinum)
  • Smart sensor stores configuration settings and calibration history
  • Compatible with Isco flow meters and samplers
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PONSEL's 4-electrode conductivity sensor uses 2 graphite and 2 platinum electrodes to measure specific conductivity, salinity and total dissolved solids. For specific conductivity, this sensor is within 1% accuracy for ranges as small as 0-200.0 uS/cm or as great as 0-200.0 mS/cm. The PONSEL 4-electrode conductivity sensor can measure salinity levels between 0 and 60 g/L while maintaining 0.5% accuracy.

This smart sensor can record its configuration settings and calibration history for future use without needing to calibrate. In addition, the sensor uses a digital output (Modbus RS-485 or SDI-12) for interfacing with external data loggers and meters.

When monitoring or sampling with Isco samplers, a simple cable adaptor allows the PONSEL 4-electrode conductivity sensor to interface directly with the sampler and trigger the sample when conductivity exceeds a pre-defined threshold. It can even be connected to a PC for calibration and viewing data using the CALSENS software and USB adaptor.

Image Part # Product Description Price Stock Order
PONSEL DIGISENS 4-Electrode Conductivity Sensor PF-CAP-C-00167 DIGISENS 4-electrode conductivity sensor, 15m cable with Fischer connector
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Image Part # Product Description Price Stock Order
PONSEL ODEON X Handheld Water Quality Meter NC-POR-C-00093 ODEON X handheld water quality meter for DIGISENS sensors
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PONSEL DIGISENS ODEON Cable Adapter PF-ACC-C-00200 DIGISENS cable adapter for connecting (2) sensors to ODEON meter
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PONSEL DIGISENS Probe Guard PF-ACC-C-00170 DIGISENS probe guard with stainless steel weight
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PONSEL DIGISENS Sensor Coupling PF-ACC-C-00197 DIGISENS coupling for two sensors
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