Crowcon SMART 3NC Gas Detector

Code: CR1450CO
  • Designed for safe areas
  • Standard 4-20mA output
  • IP55 rated

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The SMART 3NC from Sensitron is a point gas detector for safe areas, featuring several user-friendly features for easy operation and maintenance, including ongoing system self-diagnosis, seamless installation and maintenance via a handheld keypad, and options for relay output and Modbus communication.

Designed for installation in non-classified areas and car parks, the Sensitron SMART 3NC is an IP55-rated point gas detector for safe areas. Developed to provide an affordable solution for underground garages and non-hazardous locations, without compromising on sophisticated detection.

Available for Methane, LPG, petrol vapours, CO, NO2, and CO2, these detectors utilise an industrial catalytic sensor for flammable gases, a three-electrode electrochemical cell for CO and NO2, and an infrared sensor for CO2.

Offering seamless installation, the SMART 3NC’s maintenance and calibration can be performed via the handheld keypad STS/CKD. Its ongoing system self-diagnosis ensures correct detector operation and performance at all times.

The SMART 3NC also has Relay and Modbus communication options.

Order Information

Detectors:

CR1450CO Smart 3-NC, Carbon Monoxide CO EC 0-300 ppm, 4-20 mA
CR1455VB Smart 3-NC, Petrol Vapour Cat. 0-100% LEL, 4-20 mA
CR1451ND Smart 3-NC, Nitrogen Dioxide NO2 EC 0-300 ppm, 4-20 mA
CR1455ME Smart 3-NC, Methane CH4 Cat. 0-100% LEL, 4-20 mA
CR1455GP Smart 3-NC, LPG Cat. 0-100% LEL, 4-20 mA
CR1455PR Smart 3-NC, Propane Cat. 0-100% LEL, 4-20 mA
CR2401CO2 Smart 3-NC, Carbon Dioxide CO2 IR 0-5000 ppm, 4-20 mA

Accessories:

STS/CSW+ Calibration software for SMART3G, SMART3NC & SMART3R detectors consisting of a USB key, a USB/RS485 converter and the STS/IDI card.
STS/IDI Plug-in RS-485 interface
STS/CKD+ Enhanced calibration keypad with 7-digit display and SD card slot.
STS/CKD-OLED Enhanced calibration keypad with OLED display and SD-CARD slot.
STS3REL 3-Relay card for SMART3 NC gas detectors.

Spares:

K1450CO CARBON MONOXIDE (CO) detector, 0-300 ppm, 4-20 mA, EC Sensor
K1455VB PETROL VAPOURS detector, 0-100% LFL, 4-20 mA, Catalytic Sensor
K1451ND NO2 detector, 0-20 ppm, 4-20 mA, EC Sensor
K1455ME METHANE detector 4-20 mA, 0-100% LFL Catalytic Sensor
K1455GP LPG detector 4-20 mA 0-100% LFL Catalytic Sensor
K1455PR PROPANE 4-20 mA 0-100% LFL Catalytic Sensor
K2401CO2 CARBON DIOXIDE (CO2) detector, 0-5000 ppm, 4-20 mA, IR Sensor

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Title Size
SMART 3NC Datasheet 4 MB

Additional information

Weight 0.190 kg

Specifications

Size Box: H100 x W100 x D52 mm (3.9 x 3.9 x 2ins)
  Cover: H105.8 x W105.8 x D7.8 mm (4.2 x 4.2 x 0.3ins)
Weight 0.25kg
Enclosure material Polycarbonate
Ingress Protection IP55
Connection 2 x M20
Power 12-24 Vdc
Electrical output Analogue 4-20 mA output; 1 or 3 relay board (optional); serial RS485 output (optional)
Compliance EN 61000-6-3:2007 + A1:2011; EN 50270:2015EMC

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