Crowcon Sensitron SMART 3G-C2 Gas Detector
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Crowcon Sensitron SMART 3G-C2 Gas Detector
The SMART3G-C2 fixed gas detector has sensor options for detecting more than 50 toxic, flammable and refrigerant gases. It is ideal for a variety of industrial applications and harsh environments. The device also features ongoing system self-diagnosis and an optional RS485 interface for Modbus communication.
Wide variety of gas and sensor options
The SMART3G-C2 has options for detecting over 50 flammable, toxic and refrigerant gases.
Safety Integrity Level (SIL) certification
The SMART3G-C2 is SIL2 hardware and SIL3 software, with a redundant system, the hardware is SIL3.
Order Information
SMART3G-C2 Gas Detectors
Flammable Gas (Catalytic Sensor)
| Code | Description |
|---|---|
| CR2097ME | METHANE detector, 4-20 mA, 0-100% LFL |
| CR2097GP | LPG detector, 4-20 mA, 0-100% LFL |
| CR2097BU | BUTANE detector, 4-20 mA, 0-100% LFL |
| CR2097PR | PROPANE detector, 4-20 mA, 0-100% LFL |
| CR2097VB | PETROL VAPOURS detector, 4-20 mA, 0-100% LFL |
| CR2097AA | ACETIC ACID detector, 4-20 mA, 0-100% LFL |
| CR2097AT | ACETONE detector, 4-20 mA, 0-100% LFL |
| CR2097AB | BUTYL ACETATE detector, 4-20 mA, 0-100% LFL |
| CR2097BT | BUTYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097CE | CYCLOHEXANE detector, 4-20 mA, 0-100% LFL |
| CR2097CP | CYCLOPENTANE detector, 4-20 mA, 0-100% LFL |
| CR2097EN | ETHANE detector, 4-20 mA, 0-100% LFL |
| CR2097AE | ETHYL ACETATE detector, 4-20 mA, 0-100% LFL |
| CR2097ET | ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097EE | ETHYL ETHER detector, 4-20 mA, 0-100% LFL |
| CR2097EL | ETHYLENE detector, 4-20 mA, 0-100% LFL |
| CR2097EP | HEPTANE detector, 4-20 mA, 0-100% LFL |
| CR2097ES | HEXANE detector, 4-20 mA, 0-100% LFL |
| CR2097H2 | HYDROGEN detector, 4-20 mA, 0-100% LFL |
| CR2097IB | ISO BUTANE detector, 4-20 mA, 0-100% LFL |
| CR2097IT | ISO BUTYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097IN | ISO PENTANE detector, 4-20 mA, 0-100% LFL |
| CR2097IP | ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097MT | METHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097MK | METHYL ETHYL KETONE detector, 4-20 mA, 0-100% LFL |
| CR2097NN | NONANE detector, 4-20 mA, 0-100% LFL |
| CR2097PE | PENTANE detector, 4-20 mA, 0-100% LFL |
| CR2097PP | PROPYLENE detector, 4-20 mA, 0-100% LFL |
| CR2097PN | PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2097TM | TRI-METHYLBENZENE detector, 4-20 mA, 0-100% LFL |
| CR2097TO | TOLUENE detector, 4-20 mA, 0-100% LFL |
| CR2097XI | XYLENE detector, 4-20 mA, 0-100% LFL |
Flammable Gas (Infrared Sensor)
| Code | Description |
|---|---|
| CR2624ME | METHANE detector, 4-20 mA, 0-100% LFL |
| CR2654BU | BUTANE detector, 4-20 mA, 0-100% LFL |
| CR2654PR | PROPANE detector, 4-20 mA, 0-100% LFL |
| CR2654GP | LPG detector, 4-20 mA, 0-100% LFL |
| CR2654AT | ACETONE detector, 4-20 mA, 0-100% LFL |
| CR2654BN | BUTADIENE detector, 4-20 mA, 0-100% LFL |
| CR2654CE | CYCLO HEXANE detector, 4-20 mA, 0-100% LFL |
| CR2654DT | DIMETHYL ETHER detector, 4-20 mA, 0-100% LFL |
| CR2654EN | ETHANE detector, 4-20 mA, 0-100% LFL |
| CR2654AE | ETHYL ACETATE detector, 4-20 mA, 0-100% LFL |
| CR2654ET | ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2654EP | HEPTANE detector, 4-20 mA, 0-100% LFL |
| CR2654ES | HEXANE detector, 4-20 mA, 0-100% LFL |
| CR2654IB | ISO BUTANE detector, 4-20 mA, 0-100% LFL |
| CR2654IL | ISOBUTYLENE detector, 4-20 mA, 0-100% LFL |
| CR2654IP | ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
| CR2654PE | PENTANE detector, 4-20 mA, 0-100% LFL |
| CR2654PP | PROPYLENE detector, 4-20 mA, 0-100% LFL |
| CR2654DE | R152a DIFLUOROETHANE detector, 4-20 mA, 0-100% LFL |
| CR4433R454B | R454B detector, 4-20 mA, 0-100% LFL |
| CR3425R32 | R32 DIFLUOROMETHANE detector, 4-20 mA, 0-100% LFL |
| CR3429R1234YF | R1234yf detector, 4-20 mA, 0-100% LFL |
| CR3433R1234ZE | R1234ze detector, 4-20 mA, 0-100% LFL |
| Specification | Details |
|---|---|
| Size – with catalytic sensor | H120 x W184 x D90 mm (4.7 x 7.2 x 3.5ins) |
| Size – with electrochemical sensor | H120 x W184 x D90 mm (4.7 x 7.2 x 3.5ins) |
| Size – intrinsically safe detector | H138 x W200 x D119 mm (5.4 x 7.9 x 4.7ins) |
| Weight – with catalytic sensor | 1.25kg |
| Weight – with electrochemical sensor | 1.25kg |
| Weight – intrinsically safe detector | 2.7kg |
| Enclosure Material | Aluminium pressure die-casting with epoxy paint chromating and chemically resistant |
| Ingress Protection | IP65 |
| Connection | 3 x 3/4” NPT |
| Power | 12-24 Vdc |
| Electrical Output | Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional) |
| Operating Temperature – with catalytic sensor | -40 / +60°C |
| Operating Temperature – with electrochemical sensor | -30 / +55°C |
| Operating Temperature – intrinsically safe detector | -20 / +50°C |
| Humidity – with catalytic sensor | 20 / 90% RH @40°C |
| Humidity – with electrochemical sensor | 15 / 90% RH non condensing |
| Humidity – intrinsically safe detector | 15 / 90% RH non condensing |
| Response Time | t90 < 60 s ; t50 < 20 s |
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