SGX Sensortech

Series 4 Electrochemical Gas Sensors

Amphenol SGX SensorTech electrochemical sensors detect toxic gases using little to no current draw

Image of SGX Sensortec Series 4 Electrochemical Gas Sensors Amphenol SGX SensorTech 20 mm diameter Series 4 electrochemical sensors can detect toxic gases such as ammonia, carbon monoxide, ethylene oxide, hydrogen, hydrogen sulfide, nitric oxide, nitrogen dioxide, and sulfur dioxide. Electrochemical sensors detect gases by producing a chemical reaction between the gas and oxygen contained in the sensor. This reaction produces a small current, which is proportional to the concentration of the present gas. The sensor is, in effect, a type of fuel cell.

Features
  • Absolute gas measurement
  • Wide range of gases
  • Measurement ranges: ppm/ppb
  • Low cost
  • Little to no current draw
  • Excellent response
  • Great linearity
  • 20 mm diameter Series 4 housing
  • Long lifetime
Applications
  • Underground parking garages
  • Mining
  • Leak detection
  • Handheld detectors
  • Medical ventilators
  • Air quality monitoring
  • Air purifiers
  • Firefighter equipment
  • Environmental monitoring

Related Parts

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Published: 2025-09-16

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