Crowcon Sensitron SMART 3G-GR1 Gas Detector

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Crowcon Sensitron SMART 3G-GR1 Gas Detector

The SMART 3GD-GR1 gas detector is designed to be installed in mines, tunnels and ATEX areas classified as Group I.

The sensing element is housed in the stainless steel head. Depending on the gas detected, the gas detector can have a catalytic sensor, an infrared sensor or an electrochemical cell.

The gas detector has a 12-24 Vdc power supply, a standard 4-20 mA 3-wires output, and three relays. Optionally, the SMART 3GD-GR1 can be equipped with serial RS485 communication.

The stainless steel enclosure has dimensions 145 x 187 x 128 mm. The enclosure has three cable entries that are 3/4” NPT threaded. The SMART 3GD-GR1 features a 7-segment display for real-time concentration visualization and Hall effect sensors for non-intrusive field calibration.

The SMART 3GD-GR1 is SIL2 hardware and SIL3 software, with a redundant system, the hardware is SIL3.

SMART3GD-GR1 (With Display)

Model Description
S3515ME METHANE detector, 0-100% LFL, 4-20 mA, catalytic sensor
S3912ME METHANE detector, 0-100% LFL, 4-20 mA, infrared sensor
S3911O2 OXYGEN (O2) detector, 0-25% vol, 4-20 mA, electrochemical cell
S3514CO CARBON MONOXIDE (CO) detector, 0-500 ppm, 4-20 mA, electrochemical cell

SMART3GC-GR1 (Without Display)

Model Description
S3914ME METHANE detector, 0-100% LFL, 4-20 mA, catalytic sensor
S3916ME METHANE detector, 0-100% LFL, 4-20 mA, infrared sensor
S3915O2 OXYGEN (O2) detector, 0-25% vol, 4-20 mA, electrochemical cell
S3913CO CARBON MONOXIDE (CO) detector, 0-500 ppm, 4-20 mA, electrochemical cell

Spares

Model Description
KX155ME METHANE detector, 0-100% LFL, 4-20 mA, catalytic sensor (for S3515ME / S3914ME)
KX624ME METHANE detector, 0-100% LFL, 4-20 mA, infrared sensor (for S3912ME / S3916ME)
KX641O2 OXYGEN (O2) detector, 0-25% vol, 4-20 mA, electrochemical cell (for S3911O2 / S3915O2)
KX131CO CARBON MONOXIDE (CO) detector, 0-500 ppm, 4-20 mA, electrochemical cell (for S3514CO / S3913CO)

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