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009-4-0001 Senseair Sunlight Refrigerant R32 Sensor

009-4-0001 Senseair Sunlight Refrigerant R32 Sensor
Regular price $42.00

POs or wholesale quantity discounts click here

The Senseair Sunlight Refrigerant Sensor (009-4-0001) is designed for refrigerant applications and leak detection for R32 (CH2F2) & 454 A/B/C gases.

Any application with a tough environment or in environments with explosion risk will benefit from the solid-state design. It is the first NDIR sensor with LED technology that is both a low power and high precision refrigerant sensor.

The Senseair Sunlight R32 & 454 A/B/C is designed for high volume production with full traceability by sensor serial number on all manufacturing processes and key components. Every sensor is individually calibrated and is provided with UART (Modbus) and I2C interface. With the ABC function activated, the sensor is maintenance-free.


  • Complies with IEC 60079-29-1
  • Complies with sensor element part at IEC and UL 60335-2-40
  • Miniature size
  • Fast response time
  • Maintenance-free
  • Long term stability
  • Long lifetime
  • Very low power consumption
  • Mass production
  • Immunity to poisoning
  • Individually calibrated


  • Senseair Sunlight Refrigerant R32 Sensor (009-4-0001) - for high volume production with full traceability by sensor serial number on all manufacturing processes and key components. Contact us directly for wholesale pricing on large quantities of this sensor.
  • Sensor Development Kit (CM-200) - Easy to use, simply plug the sensor into the PCB and plug it into your PC via USB. Use our free GasLab® software to measure and graph carbon dioxide or use our library of source code on Github to build your own application or for OEM batch testing/configuration. Order sensors on this page, then order the Devkit here.

We recommend that all first time users purchase both this sensor and the CM-200 Development Kit for fastest and easiest results.


  • Measurement Gas: R32 & 454 A/B/C gases.
  • Operating Principle: Non-dispersive infrared (NDIR)
  • Measurement Range: 0-50% LFL
  • Measurement Period: continuous measurement mode, 2s, 8 samples
  • Accuracy (R32): ±2,5% LFL (extended range ±5% LFL) 2, 3, 4
  • Resolution: 10 ppm (0.007% LFL)
  • Operating Range:-40-70°C, 0-95% RH (non-condensing)
  • Maintenance: Periodic Zero Calibration or ABC Calibration
  • Power Supply: 3.05-5.5 V DC
  • Storage Temperature: -40 – 85°C
  • Dimensions: 34 x 21 x 12 mm, max
  • Life expectancy: >15 years
  • Communication Interface: UART, I2C



Gas Sensor Development Kit - designed to provide customers with an easy drop-in solution. Includes our free Gaslab data logging software. Sensor sold separately.

  • Data Sheets

  • Manuals

  • Technical Documents

  • Videos

  • Additional Resources

  • Case Studies

Customer Reviews

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"Easy to install, easy to set up, and easy calibration - just what I was looking for."

- Phillip Farrar
Water Plant Superintendent

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