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Crowcon SMART3-R - FLAMMABLE GASES (Infrared sensor)


For a Full breakdown of all Crowcon SMART3 accessories, go HERE


The SMART3-R have been designed for non classified areas and are ideal for the detection of flammable, toxic and refrigerant gasses in non hazardous environments.

The detectors provide analog 4-20 mA, digital RS485 transmissions and 3-relay outputs.

A multi-colour LED light ring offers a visual indication of the detector' status while an internal buzzer activates to warn of any fault or alarm condition.
SMART3-R are rated to IP42 (IP54 on request) and feature one-man calibration via the STS/CKD series calibration keypad.


SMART3R complies with the following new standards:

  • EN 378-3
  • EN14624
  • EN 50676
  • IEC 60335-2-40 Annex LL
  • ISO 5149-3
  • F-Gas Regulation


SMART3-R feature:

  • Standard 4-20 mA, RS485 and 3-relay outputs
  • Multicolour LED ring
  • Internal buzzer for audible warning
  • Ongoing system self-diagnosis
  • Wide range of sensors and detectable gases
  • Optional remote sensor head
  • Easy sensor replacement
  • Standard 12-24 Vdc power supply. On request 90-240 Vac, without 4-20 mA transmission
Products specifications
Attribute nameAttribute value
Gases DetectedMethane (CH4), Propane (C3H8), Butane (C4H10), Refrigerant Gases, Difluoromethane (CH2F2)

Crowcon SMART3-R - FLAMMABLE GASES (Infrared sensor)

Flammable Gas, Infrared Sensor
Manufacturer: Crowcon
SKU: Crowcon SMART3-R - FLAMMABLE Infrared
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Crowcon SMART3-R - FLAMMABLE GASES (Infrared sensor)

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