cGas Detector IR Refrigerant Transmitter

For monitoring: Refrigerants

Non-dispersive infrared refrigerant gas detector with accurate, low level leak detection, available with analog output or BACnet® or Modbus® output and Plug & Play Smart Sensor Technology

Applications

Supermarkets
Convenience Stores
Grocery Stores
Refrigerated Mechanical Rooms
Commercial Chiller Equipment Rooms
Food Storage / Cold Storage Rooms
Walk-in Freezers
Food Processing Plants
Food Service Facilities
and many more...
and many more...

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Key Features

Accurate, low level leak detection
Long life, non-dispersive infrared refrigerant sensor, dual beam technology
Easy Plug & Play Smart Sensor replacement at end of life, comes pre-calibrated
One linear 4-20 mA or 0-10V analog output or field configurable BACnet® MS/TP RS-485 or Modbus® RTU RS-485 digital output signal to a BAS
1 SPDT relay rated 30 volts, 2 amp max
Internal audible alarm rated 90 dB @10 cm/4 in
24 VDC or VAC power (ground reference)
Bright LCD display
USB port for configuration changes and firmware upgrades
Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 rated with optional splash guard (Option -S) installed
RoHS compliant circuit boards

Description

The cGas Detector IR Refrigerant provides continuous monitoring of a wide range of refrigerant gases commonly used in commercial refrigeration systems. Dual beam, non-dispersive infrared sensor technology overcomes the limitations of solid state refrigerant sensors, accurately detects refrigerant gases without cross interference from toxic or combustible gases and is low maintenance with a longer lifespan. Choose from many types of refrigerant gas sensors commonly used in commercial refrigeration systems, including A2L refrigerants, SF6 and CO2 (R744). True Plug & Play Smart Sensor technology makes replacing sensors quick and easy.

The cGas Detector IR Refrigerant is available with analog output or digital output and comes with a relay and internal audible alarm. Powered by 24 VDC or ground referenced AC, it has an LCD display, temperature compensation, thermal resetting fuse and the firmware and configuration can be upgraded in the field using the USB connection. It comes in a standard water / dust tight, corrosion resistant ABS/ polycarbonate enclosure with a hinged, secured door. With the optional, factory installed splash guard the enclosure is IP54 rated and provides protection in water spray or wash down applications.

Complies with refrigeration safety codes ASHRAE No 15-2001 Mechanical Standard and B-52 Code.

Specifications

Target Gas

Infrared Sensor

R22, R32, R123, R134A, R143A, R227ea, R402A, R404A, R407A, R407C, R407F, R410A, R417A, R422A, R422D, R427A, R434A, R438A, R442A, R448A, R449A, R450A, R452A, R453A, R454A, R454B, R455A, R507, R513A, R514A, HFO1234YF, HFO1234ZE, HFO1233ZD, RSF6, Carbon Dioxide (R744)

Mechanical

Enclosure

Black ABS / Polycarbonate, corrosion resistant

Copper coated interior to reduce RF interference

IP54 rated with splash guard installed (Option -S)

Weight

400 g / 14 oz

Size

127 x 127 x 76 mm / 5.0 x 5.0 x 3.0 inches

User Interface

Display (Standard)

2-line by 16 character graphic LCD
Operating Temp: 0°C to 40°C / 32°F to 104°F

Display (low temperature Option -LT)

2-line by 16 character OLED display
Operating Temp: -40°C to 40°C / -40°F to 104°F

Push Buttons

Initiate calibration and menu options with internal UP, DOWN and ENTER push buttons

USB Port

Internal port for USB memory stick for field configuration updates / firmware upgrades

Input/Output

Analog Output (CGAS-A models)

One linear 4 - 20 mA analog or 0-10 V (user configurable in the field)

Digital Output (CGAS-D models)

BACnet® MS/TP (version 1 rev 14) RS-485 or Modbus® RTU (version 1.1b3) RS-485 (user configurable in the field)

Relay

1 SPDT relay rated 30 volts, 2 amp max

Audible Alarm

Internal buzzer, rated 90 dB @ 10 cm / 4 in, enable/disable

Electrical

Power Requirement

16-30 VDC, 3 W, Class 2

12-27 VAC, 50-60 Hz, 3 VA, Class 2

Analog Wiring (CGAS-A models)

VDC (or ground referenced AC): 3-conductor 18 AWG (or larger) shielded, stranded within conduit
VAC 4-conductor shielded 18 AWG stranded within conduit

Digital Wiring (CGAS-D models)

VDC or VAC (ground referenced) 4-conductor shielded 16 AWG stranded within conduit, network wiring (daisy-chain)

Fuse(s)

Automatic resetting thermal

Environmental

Operating Temperature

0°C to 40°C (32°F to 104°F) temperatures below 0°C / 32°F requires Option-LT

Operating Humidity

15 - 85% RH non-condensing

Certifications

Conforms to

CSA-C22.2 No. 205-12, UL508 (Edition 18):2018

EMC Directive 2014/30/EU, EN 50270:2015, Type 1, EN61010

FCC. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Listed by BTL

RoHS compliant circuit boards

Product Codes

Analog Models

CGAS-A-IR22

Single channel, IR refrigerant (R22) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR32

Single channel, IR A2L refrigerant (R32) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR123

Single channel, IR refrigerant (R123) sensor (0 - 1,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR134A

Single channel, IR refrigerant (R134A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR143A

Single channel, IR refrigerant (R143A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR227EA

Single channel, IR refrigerant (R227EA) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR402A

Single channel, IR refrigerant (R402A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR404A

Single channel, IR refrigerant (R404A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR407A

Single channel, IR refrigerant (R407A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR407C

Single channel, IR refrigerant (R407C) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR407F

Single channel, IR refrigerant (R407F) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR410A

Single channel, IR refrigerant (R410A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR417A

Single channel, IR refrigerant (R417A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR422A

Single channel, IR refrigerant (R422A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR422D

Single channel, IR refrigerant (R422D) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR427A

Single channel, IR refrigerant (R427A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR434A

Single channel, IR refrigerant (R434A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR438A

Single channel, IR refrigerant (R438A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR442A

Single channel, IR refrigerant (R442A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR448A

Single channel, IR refrigerant (R448A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR449A

Single channel, IR refrigerant (R449A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR450A

Single channel, IR refrigerant (R450A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR452A

Single channel, IR A2L refrigerant (R452A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR453A

Single channel, IR refrigerant (R453A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR454A

Single channel, IR A2L refrigerant (R454A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR454B

Single channel, IR A2L refrigerant (R454B) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR455A

Single channel, IR A2L refrigerant (R455A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR507A

CGAS-A-IR513A

Single channel, IR refrigerant (R513A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR514A

Single channel, IR refrigerant (R514A) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IRSF6

Single channel IR sulphur hexafluoride (SF6) sensor (0 - 1,000 ppm range), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR1233ZD

Single channel, IR refrigerant (HFO1233ZD) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR1234YF

Single channel, IR A2L refrigerant (HFO1234YF) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-IR1234ZE

Single channel, IR A2L refrigerant (HFO1234ZE) sensor (0 - 2,000 ppm), LCD display, 4-20 mA or 0-10 V output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

Digital Models

CGAS-D-IR22

Single channel IR refrigerant (R22) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR32

Single channel IR A2L refrigerant (R32) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-R123

Single channel IR refrigerant (R123) sensor (0 - 1,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR134A

Single channel IR refrigerant (R134A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR143A

Single channel IR refrigerant (R143A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR227EA

Single channel IR refrigerant (R227ea) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR402A

Single channel IR refrigerant (R402A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR404A

Single channel IR refrigerant (R404A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR407A

Single channel IR refrigerant (R407A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR407C

Single channel IR refrigerant (R407C) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR407F

Single channel IR refrigerant (R407F) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR410A

Single channel IR refrigerant (R410A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR417A

Single channel IR refrigerant (R417A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR422A

Single channel IR refrigerant (R422A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR422D

Single channel IR refrigerant (R422D) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR427A

Single channel IR refrigerant (R427A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR434A

Single channel IR refrigerant (R434A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR438A

Single channel IR refrigerant (R438A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR442A

Single channel IR refrigerant (R442A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR448A

Single channel IR refrigerant (R448A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR449A

Single channel IR refrigerant (R449A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR450A

Single channel IR refrigerant (R450A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR452A

Single channel IR A2L refrigerant (R452A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR453A

Single channel IR refrigerant (R453A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR454A

Single channel IR A2L refrigerant (R454A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR454B

Single channel IR A2L refrigerant (R454B) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR455A

Single channel IR A2L refrigerant (R455A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR507A

Single channel IR refrigerant (R507A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR513A

Single channel IR refrigerant (R513A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR514A

Single channel IR refrigerant (R514A) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IRSF6

Single channel IR sulphur hexafluoride (SF6) sensor (0 - 1,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR233ZD

Single channel IR refrigerant (HFO1233ZD) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR1234YF

Single channel IR A2L refrigerant (HFO1234YF) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-D-IR1234ZE

Single channel IR A2L refrigerant (HFO1234ZE) sensor (0 - 2,000 ppm range), LCD display, in field configurable Modbus RTU RS-485 or BACnet MS/TP RS-485 output, 24 VDC or VAC power, 1 relay, audible alarm, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

Factory Options

-LT

Low temperature package with OLED display and internal heater for cold environment applications down to -40°C / -40°F

-S

Splash guard, factory installed, IP54 rating