Crowcon Smart 3G-C3 Fixed Gas Detector Crowcon
The Crowcon SMART 3G-C3 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 optional RS485 interface for Modbus communication.
| Size | H120 x W184 x D90 mm (4.7 x 7.2 x 3.5ins) | H138 x W200 x D119 mm (5.4 x 7.9 x 4.7ins) | |
| Weight | 1.25kg | 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 | -40 / +60°C | -30 / +55°C | -20 / +50°C |
| Humidity | 20 / 90% RH @40°C | 15 / 90% RH non condensing | 15 / 90% RH non condensing |
| Response time | t90 < 60 s ; t50 < 20 s | ||
| Functional safety | SIL2 hardware and SIL3 software | ||
| Approvals | EMC, ATEX, IECEx | ||
| Sensor type | |
| Acetic Acid (CH3COOH) | Catalytic sensor |
| Acetone (C3H6O) | Catalytic sensor / Infrared sensor |
| Acetylene (C2H2) | Catalytic sensor |
| Ammonia (NH3) | Catalytic sensor / Electrochemical sensor |
| Benzene (C6H6) | Catalytic sensor |
| Butadiene (C4H6) | Infrared sensor |
| Butane (C4H10) | Catalytic sensor / Infrared sensor |
| Carbon Monoxide (CO) | Catalytic sensor / Electrochemical sensor |
| Chlorine (CL2) | Electrochemical sensor (intrinsically safe detector) |
| Cyclohexane (C6H12) | Catalytic sensor / Infrared sensor |
| Cyclopentane (C5H10) | Catalytic sensor |
| Dimethyl ether (C2H6O) | Infrared sensor |
| Ethane (C2H6) | Catalytic sensor / Infrared sensor |
| Ethanol (C2H6O) | Catalytic sensor / Infrared sensor |
| Ethyl Acetate (C4H8O2) | Catalytic sensor / Infrared sensor |
| Ethyl Ether ((C2H5)2O) | Catalytic sensor |
| Ethylene (C2H4) | Catalytic sensor |
| Ethylene Oxide (C2H4O) | Catalytic sensor |
| Heptane (C7H16) | Catalytic sensor / Infrared sensor |
| Hexane (C6H14) | Catalytic sensor / Infrared sensor |
| Hydrogen (H2) | Catalytic sensor / Electrochemical sensor |
| Hydrogen Cyanide (HCN) | Electrochemical sensor (intrinsically safe detector) |
| Hydrogen Sulphide (H2S) | Electrochemical sensor |
| ISO Butane (C4H10) | Catalytic sensor / Infrared sensor |
| ISO Butyl Alcohol ((CH3)2CHCH2OH) | Catalytic sensor |
| ISO Pentane (C5H12) | Catalytic sensor |
| ISO Propyl Alcohol (C3H8O) | Catalytic sensor / Infrared sensor |
| Isobutylene (C4H8) | Infrared sensor |
| JP8 | Catalytic sensor |
| LPG | Catalytic sensor / Infrared sensor |
| Methane (CH4) | Catalytic sensor / Infrared sensor |
| Methanol (CH3OH) | Catalytic sensor |
| Methyl Ethyl Ketone (MEK) | Catalytic sensor |
| Nitric Oxide (NO) | Electrochemical sensor |
| Nitrogen Dioxide (NO2) | Electrochemical sensor (intrinsically safe detector) |
| Nonane (C9H20) | Catalytic sensor |
| Oxygen (O2) | Electrochemical sensor |
| Pentane (C5H12) | Catalytic sensor / Infrared sensor |
| Petrol Vapours | Catalytic sensor / Infrared sensor |
| Propane (C3H8) | Catalytic sensor / Infrared sensor |
| Propyl alcohol (C3H8O) | Catalytic sensor |
| Propylene (C3H6) | Catalytic sensor / Infrared sensor |
| Styrene (C8H8) | Catalytic sensor |
| Sulphur Dioxide (SO2) | Electrochemical sensor (intrinsically safe detector) |
| Toluene (C7H8) | Catalytic sensor |
| Tri-Methylbenzene (C9H12) | Catalytic sensor |
| Vinyl Acetate (C4H6O2) | Catalytic sensor |
| Xylene (C8H10) | Catalytic sensor |
| Sensor type | |
| R152a | Infrared sensor |
| R454B | Infrared sensor |
| R32 | Infrared sensor |
| R134A | Infrared sensor |
| SF6 | Infrared sensor |
| R125 | Infrared sensor |
| R1234YF | Infrared sensor |
| R1234ZE | Infrared sensor |
| R404A | Infrared sensor |
| R407A | Infrared sensor |
| R407F | Infrared sensor |
| R449A | Infrared sensor |
| R507 | Infrared sensor |
| R410A | Infrared sensor |
| R417A | Infrared sensor |
| R448 | Infrared sensor |
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