Crowcon Sensitron SMART 3G-D2 Gas Detector

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Crowcon Sensitron SMART 3G-D2 Gas Detector

The Sensitron SMART3G-D2 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 features non-intrusive calibration, a 4-digit back-lit display for the gas concentration reading, a 5-mode status LED, and a high-visibility multi-colour LED light ring.

Non-intrusive calibration

Ideal in harsh environments, the SMART3G-D2 features non-intrusive calibration for an accurate and easy adjustment via Hall-effect switches without opening the instrument.

Wide variety of gas and sensor options

The SMART3G-D2 has options for detecting over 50 flammable, toxic and refrigerant gases. ``

Safety Integrity Level (SIL) certification

The SMART3G-D2 is SIL2 hardware and SIL3 software, with a redundant system, the hardware is SIL3.

SMART3G-D2 – Flammable Gas (Catalytic Sensor)

Part Number Description
CR2157ME METHANE detector, 4-20 mA, 0-100% LFL
CR2157GP LPG detector, 4-20 mA, 0-100% LFL
CR2157BU BUTANE detector, 4-20 mA, 0-100% LFL
CR2157PR PROPANE detector, 4-20 mA, 0-100% LFL
CR2157VB PETROL VAPOURS detector, 4-20 mA, 0-100% LFL
CR2157AA ACETIC ACID detector, 4-20 mA, 0-100% LFL
CR2157AT ACETONE detector, 4-20 mA, 0-100% LFL
CR2179AC ACETYLENE detector, 4-20 mA, 0-100% LFL
CR2157AM AMMONIA detector, 4-20 mA, 0-100% LFL
CR2157BZ BENZENE detector, 4-20 mA, 0-100% LFL
CR2157CE CYCLOHEXANE detector, 4-20 mA, 0-100% LFL
CR2157CP CYCLOPENTANE detector, 4-20 mA, 0-100% LFL
CR2157EN ETHANE detector, 4-20 mA, 0-100% LFL
CR2157AE ETHYL ACETATE detector, 4-20 mA, 0-100% LFL
CR2157ET ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2157EE ETHYL ETHER detector, 4-20 mA, 0-100% LFL
CR2157EL ETHYLENE detector, 4-20 mA, 0-100% LFL
CR2157OE ETHYLENE OXIDE (ETO) detector, 4-20 mA, 0-100% LFL
CR2157EP HEPTANE detector, 4-20 mA, 0-100% LFL
CR2157ES HEXANE detector, 4-20 mA, 0-100% LFL
CR2157H2 HYDROGEN detector, 4-20 mA, 0-100% LFL
CR2157IB ISO BUTANE detector, 4-20 mA, 0-100% LFL
CR2157IT ISO BUTYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2157IN ISO PENTANE detector, 4-20 mA, 0-100% LFL
CR2157IP ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2508P8 JP8 detector, 4-20 mA, 0-100% LFL
CR2157MT METHYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2157MK METHYL ETHYL KETONE (MEK) detector, 4-20 mA, 0-100% LFL
CR2157NN NONANE detector, 4-20 mA, 0-100% LFL
CR2157PE PENTANE detector, 4-20 mA, 0-100% LFL
CR2157PP PROPYLENE detector, 4-20 mA, 0-100% LFL
CR2157PN PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2157ST STYRENE detector, 4-20 mA, 0-100% LFL
CR2157TM TRI-METHYLBENZENE detector, 4-20 mA, 0-100% LFL
CR2157TO TOLUENE detector, 4-20 mA, 0-100% LFL
CR2157AV VINYL ACETATE detector, 4-20 mA, 0-100% LFL
CR2157XI XYLENE detector, 4-20 mA, 0-100% LFL

SMART3G-D2 – Flammable Gas (Infrared Sensor)

CR2626ME METHANE detector, 4-20 mA, 0-100% LFL
CR2602BU BUTANE detector, 4-20 mA, 0-100% LFL
CR2602PR PROPANE detector, 4-20 mA, 0-100% LFL
CR2602GP LPG detector, 4-20 mA, 0-100% LFL
CR2602AT ACETONE detector, 4-20 mA, 0-100% LFL
CR2602BN BUTADIENE detector, 4-20 mA, 0-100% LFL
CR2602CE CYCLO HEXANE detector, 4-20 mA, 0-100% LFL
CR2602DT DIMETHYL ETHER detector, 4-20 mA, 0-100% LFL
CR2602EN ETHANE detector, 4-20 mA, 0-100% LFL
CR2602AE ETHYL ACETATE detector, 4-20 mA, 0-100% LFL
CR2602ET ETHYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2602EP HEPTANE detector, 4-20 mA, 0-100% LFL
CR2602ES HEXANE detector, 4-20 mA, 0-100% LFL
CR2602IB ISO BUTANE detector, 4-20 mA, 0-100% LFL
CR2602IL ISOBUTYLENE detector, 4-20 mA, 0-100% LFL
CR2602IP ISO PROPYL ALCOHOL detector, 4-20 mA, 0-100% LFL
CR2602PE PENTANE detector, 4-20 mA, 0-100% LFL
CR2602PP PROPYLENE detector, 4-20 mA, 0-100% LFL
CR2602TO TOLUENE detector, 4-20 mA, 0-100% LFL
CR2602DE R152a DIFLUOROETHANE detector, 4-20 mA, 0-100% LFL
CR4435R454B R454B detector, 4-20 mA, 0-100% LFL
CR3427R32 R32 DIFLUOROMETHANE detector, 4-20 mA, 0-100% LFL
CR3431R1234YF R1234yf detector, 4-20 mA, 0-100% LFL
CR3436R1234ZE R1234ze detector, 4-20 mA, 0-100% LFL
Size
With catalytic sensor H145 x W187 x D108 mm (5.7 x 7.4 x 4.25ins)
With electrochemical sensor H145 x W187 x D108 mm (5.7 x 7.4 x 4.25ins)
With infrared sensor H145 x W187 x D108 mm (5.7 x 7.4 x 4.25ins)
Intrinsically safe detector H138 x W200 x D119 mm (5.4 x 7.9 x 4.7ins)
Weight
With catalytic sensor 1.9kg
With electrochemical sensor 1.9kg
With infrared sensor 1.9kg
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
Display 7-segment display, 5 status LED and 4 intelligent LED
Electrical Output
With catalytic sensor Analogue 4-20 mA output; 3 relay board; serial RS485 output (optional)
With electrochemical sensor Analogue 4-20 mA output; 3 relay board; serial RS485 output (optional)
With infrared sensor Analogue 4-20 mA output; 3 relay board; serial RS485 output (optional)
Intrinsically safe detector Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional)
Operating Temperature
With catalytic sensor -40 / +60°C
With electrochemical sensor -30 / +55°C
With infrared sensor -40 / +60°C
Intrinsically safe detector -20 / +50°C
Humidity
With catalytic sensor 20 / 90% RH @40°C
With electrochemical sensor 15 / 90% RH non condensing
With infrared sensor 20 / 90% RH @40°C
Intrinsically safe detector 15 / 90% RH non condensing
Functional safety SIL2 hardware and SIL3 software
Approvals EMC, ATEX, IECEx

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