The SMART 3G-C3 from Sensitron has sensor options for detecting more than 50 toxic, flammable and refrigerant gases. 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.
The Sensitron SMART 3G-C3 is a SIL2 certified fixed gas detector ideal for a variety of industrial applications, capable of monitoring toxic, flammable and refrigerant gases in harsh environments and classified areas.
With a wide variety of gas and sensor options, the SMART3G-C3 has options for the detection of over 50 flammable, toxic and refrigerant gases, as well as the detection of oxygen deficiency or excess in Zone 2 areas.
Designed to offer high performance for civil and industrial applications, it also has an optional RS485 interface, and a 4-digital back lit display for clear readings.
The SMART 3G-C3 is SIL2 hardware and SIL3 software, with ongoing system self-diagnosis for minimal maintenance requirements.
- Detects 50+ gases
- Ongoing system self-diagnosis
- Variety of sensor options
- Optional RS485 interface
- SIL2 certified
Wide Variety of Gas & Sensor Options
- The SMART 3G-C3 has options for the detection of over 50 flammable, toxic and refrigerant gases
- Ideal for a variety of industrial applications and harsh environments
- Choice of catalytic, infrared and electrochemical sensor options, customisable for your site needs
Rigorous Safety Standards
- Safety Integrity Level (SIL) certified, featuring SIL2 hardware and SIL3 software
- A redundant system with SIL3 hardware
- Tested in accordance with EN 60079-29-1 standard
| with catalytic sensor | with electrochemical sensor | intrinsically safe detector | |
| 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 |
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