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Crowcon SMART 3-R | Safe-Area Gas and Refrigerant Detector | Cat, IR or EC sensor, 4-20 mA, RS485, 3 relays
Part Number : SMART 3-R
The SMART 3-R, part of Crowcon's Sensitron range, detects explosive, toxic and refrigerant gases in safe (unclassified) areas such as machine rooms and laboratories. It combines a 4-20 mA output, an RS485 bus and a 3-relay board with a circular status LED and internal buzzer. A version with a remote sensor head on a 5 m cable is available on request.
Key features
- Catalytic, infrared, MPS or electrochemical sensor choices
- Over 20 refrigerants including R32, R134a, R290 and R744
- 12-24 Vdc or 90-240 Vac supply (AC version without 4-20 mA)
- Keypad set-up with STS/CKD+ display
- Continuous self-diagnostics
For pricing, please contact our experts.
