Carbon Sensor Conductivity Meter (Low concentration type) HE-480C-GC


Compact conductivity meter for measurement of low concentration which have glass carbon sensor. A glass carbon sensor is not contaminated by metal elution and is chemically resistant.


  • Wide range compatibility: 0 - 9999 μS/cm
  • Chemical resistant carbon sensor
  • Compact size

Manufactured by HORIBA Advanced Techno




(Cell constant : 0.1/cm)


(Cell constant : 1/cm)


0.00 to 20.00 µS/cm

0.0 to 200.0 µS/cm

0.0 to 200.0 µS/cm

0 to 2000 µS/cm


20.00 to 70.00 µS/cm

200.0 to 999.9 µS/cm

200.0 to 700.0µS/cm

2000 to 9999 µS/cm



*1 Within +/- 0.5% of the full scale

*2 Within +/- 1.0% of the full scale


Dimensions of HE-480C-GC


  • Chemical leak sensor of cooling water in the chiller.
  • Concentration monitoring in the chemical blending tank.


  • Technical Article

Conductivity Meter with Carbon Electrodes and Application for Densitometers Technologies for a Practical Densitometer (1.8MB)

"2-pole electrical conductivity sensors with chemical resistant carbon electrodes are developed in 2002. These sensors are installed in the semiconductor wet process and used as a densitometer practically. The electrical circuit for 4-pole measurement was an innovation which improved the interface problem to the any 4-pole sensors. Single component concentration of HF or TMAH is measured from the conductivity, based on the precise measurement of conductivity and temperature, via individual temperature compensation of conductivity. Etching or developing solution should be controlled severely. Needs for monitoring solution based on the application of conductivity method are increased."

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