SMART 3G C2 GAS DETECTORS FOR ZONE 1 CATEGORY

3G C2 GAS DETECTORS Product Specifications
Gases detected: flammable, toxic, VOC, refrigerants
Sensors: catalytic, infrared, electrochemical cell, PID
Outputs: analog 4-20mA, RS485, relays
- TECHNICAL FEATURES
- Standard 4-20 mA signal on 3 wires
- Optional 1 or 3 relay output card
- Optional RS485 interface for communication with Modbus protocol
- Zero follower to counter possible drifts
- Continuous self-diagnosis of the system
- ATEX II 2G Ex db IIC T5 Gb (standard marking) (II2 GD with optional adapter)
ATEX II 2G Ex db [ib] IIC T6 Gb for intrinsically safe detectors
SIL3 SW and SIL2 HW Certifications
- Wide range of usable sensors and detectable gases
- Wide selection of accessories for installation and maintenance
- Easy replacement of sensors
- Data logger exportable with STS/CKD-OLED or STS/CSW+
FLAMMABLE GAS (Catalytic sensor)
FLAMMABLE GAS (Infrared sensor)
TOXIC GASES (Electrochemical cell)
FLAMMABLE GAS (Catalytic sensor)

List of gas detected FLAMMABLE GAS (Catalytic sensor)
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097ME | METHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097GP | LPG detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097BU | BUTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097PR | PROPANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097VB | PETROL VAPOURS detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097AA | ACETIC ACID detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097AT | ACETONE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097AB | BUTYL ACETATE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097BT | BUTYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097CE | CYCLOHEXANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097CP | CYCLOPENTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097EN | ETHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097AE | ETHYL ACETATE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097ET | ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097EE | ETHYL ETHER detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097EL | ETHYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097EP | HEPTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097ES | HEXANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097H2 | HYDROGEN detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097IB | ISO BUTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097IT | ISO BUTYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097IN | ISO PENTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097IP | ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097MT | METHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097MK | METHYL ETHYL KETONE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097NN | NONANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097PE | PENTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097PP | PROPYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097PN | PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097TM | TRI-METHYLBENZENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097TO | TOLUENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2097XI | XYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2151AC | ACETYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2155AM | AMMONIA detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2155BZ | BENZENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2155OE | ETHYLENE OXIDE (ETO) detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2154P8 | JP8 (JET PROPELLER) detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2155ST | STYRENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Catalytic sensor) | S2155AV | VINYL ACETATE detector, 4-20 mA, 0-100% LFL |
FLAMMABLE GAS (Infrared sensor)

List of gas detected FLAMMABLE GAS (Infrared sensor)
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2624ME | METHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654BU | BUTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654PR | PROPANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654GP | LPG detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654AT | ACETONE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654BN | BUTADIENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654CE | CYCLO HEXANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654DT | DIMETHYL ETHER detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654EN | ETHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654AE | ETHYL ACETATE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654ET | ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654EP | HEPTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654ES | HEXANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654IB | ISO BUTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654IL | ISOBUTYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654IP | ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654PE | PENTANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654PP | PROPYLENE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654TO | TOLUENE detector, 4-20mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S2654DE | R152a DIFLUOROETHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S4433R454B | R454B detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S4827R454C | R454C detector, 4-20mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S3425R32 | R32 DIFLUOROMETHANE detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S3429R1234YF | R1234yf detector, 4-20 mA, 0-100% LFL |
SMART3G-C2 - FLAMMABLE GAS (Infrared sensor | S3433R1234ZE | R1234ze detector, 4-20 mA, 0-100% LFL |
TOXIC GASES (Electrochemical cell)

List of gas detected TOXIC GASES (Electrochemical cell)
ART3G-C2 - TOXIC GASES (Electrochemical cell) | S2641O2 | OXYGEN (O2) detector, 0-25% Vol., 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2131CO | CARBON MONOXIDE (CO) detector, 0-500 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2586CO | CARBON MONOXIDE (CO) detector, 0-1000 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3225AM | AMMONIA (NH3) detector, 0-100 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2133AM | AMMONIA (NH3) detector, 0-200 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2135AM | AMMONIA (NH3) detector, 0-1000 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3229AM | AMMONIA (NH3) detector, 0-5000 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2137HS | HYDROGEN SULPHIDE (H2S) detector, 0-50 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3708HS | HYDROGEN SULPHIDE (H2S) detector, 0-100 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S2145NO | NITRIC OXIDE (NO), 0-100 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3593H2 | HYDROGEN (H2) detector, 0-2000 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S4547H2 | HYDROGEN (H2) detector, 0-3000 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3004SD | SULPHUR DIOXIDE (SO2) detector, 0-20 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3008ND | NITROGEN DIOXIDE (NO2) detector, 0-20 ppm, 4-20 mA |
SMART3G-C2 - TOXIC GASES (Electrochemical cell) | S3014CL | CHLORINE (CL2) detector, 0-20 ppm, 4-20 mA |