cGas Detector IR Refrigerant Transmitter
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.
- Accurate, low level and high 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
Description
Specifications
Target Gas
| Infrared Refrigerant Sensor | R22, R123, R134A, R143A, R227ea, R404A, R407A, R407C, R407F, R410A, R417A, R422A, R422D, R427A, R434A, R438A, R442A, R448A, R449A, R450A, R452A, R453A, R507, R513A, R514A, HFO1233zd, RSF6, Carbon Dioxide (R744) |
| A2L Infrared Refrigerant Sensor | R32, R454B, R1234yf, R1234ze |
Mechanical
| Enclosure | Black ABS / Polycarbonate, corrosion resistant, 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 16 - 18 AWG (or larger) shielded, stranded within conduit VAC 4-conductor shielded 16 - 18 AWG stranded within conduit |
| Digital Wiring (CGAS-D models) | VDC or VAC (ground referenced) 4-conductor 18 - 22 AWG twisted, shielded, 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 |
Detected Gases
cGas Detector IR Refrigerant Transmitter Options
338 options available
Showing 1–20 of 338 configurations
CGAS-A-EH2
CGas Analog H2 Transmitter 0-2000PPM
CGAS-A-EH2-LT
CGas Analog H2 Transmitter 0-2000PPM, Low Temp
CGAS-A-EH2-RBZ
CGas Analog H2 Transmitter 0-2000PPM w/ Relay Buzzer option
CGAS-A-EH2-S
CGas Analog H2 Transmitter 0-2000PPM, w/ Splash Guard option
CGAS-A-H2S-100
CGas Analog H2S Transmitter (0-100 ppm)
CGAS-A-H2S
CGas Analog H2S Transmitter (0-50 ppm)
CGAS-A-H2S-RLY
CGas Analog H2S Transmitter (0-50 ppm) w/ Relay
CGAS-A-H2S-RBZ
CGas Analog H2S Transmitter (0-50 ppm) w/ Relay Buzzer Option
CGAS-A-O2
CGas Analog O2 Transmitter (0-25% Volume)
CGAS-A-O2-S
CGas Analog O2 Transmitter (0-25% Volume) w/ Splash Guard
CGAS-A-O2-RLY
CGas Analog O2 Transmitter (0-25% Volume) w/Relay
CGAS-A-O2-RLY-S
CGas Analog O2 Transmitter (0-25% Volume) w/Relay & Splash guard
CGAS-A-O2-RBZ
CGas Analog O2 Transmitter (0-25% Volume), Relay Buzzer option
CGAS-A-O2-RBZ-S
CGas Analog O2 Transmitter (0-25% Volume), Relay Buzzer option, Splash Guard
CGAS-A-O3
CGas Analog O3 Transmitter (0-1 PPM)
CGAS-A-IRSF6
CGas Analog Refrigerant (IRSF6) Transmitter 0-2000ppm, Infrared
CGAS-A-IR1233ZD
CGas Analog Refrigerant (R1233ZD) Transmitter 0-2000ppm, Infrared
CGAS-A-IR404A
CGas Analog Refrigerant (R404A) Transmitter 0-2000ppm, Infrared
CGAS-A-IR407A
CGas Analog Refrigerant (R407A) Transmitter 0-2000ppm, Infrared
CGAS-A-IR407C
CGas Analog Refrigerant (R407C) Transmitter 0-2000ppm, Infrared
Not all configurations are listed here. Contact our sales team to discuss your specific requirements.
Documents
Application: AI Workload Zones & Tower Stacks - FCS and CGAS-D-IR
PDF • 3.8 MB • Application Guides
Application: Chiller Rooms - cGas-SC and CGAS-A-IR
PDF • 1.2 MB • Application Guides
Application: Chiller Rooms - FCS and CGAS IR
PDF • 933 KB • Application Guides
Application: Data Centers - FCS and CGAS
PDF • 3.7 MB • Application Guides
Application: Hotels - FCS and CGAS IR
PDF • 503 KB • Application Guides
Application: Refrigerant Shafts - FCS and CGAS-D-IR
PDF • 750 KB • Application Guides
A2L cGas Detectors Product Brochure
PDF • 2.6 MB • Brochures
cGas IR Refrigerant Detector Brochure
PDF • 760 KB • Brochures
BTL Listing (PICS) for cGas Family
PDF • 202 KB • Certifications
Controls Schematic: Refrigeration System - Central Panel
PDF • 801 KB • Controls Schematics
Controls Schematic: Refrigeration System - Central Panel
DWG • 1.3 MB • Controls Schematics
Controls Schematic: Refrigeration System - Standalone Units
DWG • 1.1 MB • Controls Schematics
Controls Schematic: Refrigeration System - Standalone Units
PDF • 402 KB • Controls Schematics
Calibration Clip "Cal Clip" Datasheet
PDF • 408 KB • Datasheets
cGas Detector IR Refrigerant Datasheet
PDF • 930 KB • Datasheets
Splash Guard (Option -S) Datasheet
PDF • 502 KB • Datasheets
Engineering Spec: Refrigeration Machinery Room - FCS and CGAS-D-IR
DOCX • 384 KB • Engineering Specs
Gas Detection Schedule: Refrigeration System - Central Panel
DWG • 63 KB • Gas Detection Schedules
Gas Detection Schedule: Refrigeration System - Central Panel
XLSX • 19 KB • Gas Detection Schedules
Gas Detection Schedule: Refrigeration System - Central Panel
PDF • 171 KB • Gas Detection Schedules
Gas Detection Schedule: Refrigeration System - Standalone Units
DWG • 48 KB • Gas Detection Schedules
Gas Detection Schedule: Refrigeration System - Standalone Units
PDF • 169 KB • Gas Detection Schedules
Gas Detection Schedule: Refrigeration System - Standalone Units
XLSX • 18 KB • Gas Detection Schedules
cGas Detector Installation Manual
PDF • 676 KB • Manuals
cGas Detector Operation Manual - firmware v2.05 onwards
PDF • 1.3 MB • Manuals
cGas Detector Operation Manual - up to firmware v2.04
PDF • 1.3 MB • Manuals
cGas Detector VRF IR vs cGas Detector IR
PDF • 379 KB • Product Comparisons
Internal Heater Low Temperature Option -LT
PDF • 367 KB • Product Guides
Mounting a cGas Detector
PDF • 144 KB • Product Guides
Sensor Spec: CGAS-A-IR Infrared Refrigerant Sensors (0-2000 ppm)
PDF • 251 KB • Product Specs
Sensor Spec: CGAS-A-IR-100 Infrared Refrigerant Sensors (0-100 %LEL)
PDF • 252 KB • Product Specs
Sensor Spec: CGAS-D-IR Infrared Refrigerant Sensors (0-2000 ppm)
PDF • 251 KB • Product Specs
Sensor Spec: CGAS-D-IR-100 Infrared Refrigerant Sensors (0-100 %LEL)
PDF • 252 KB • Product Specs
ChillerSense Solution Guide
PDF • 2.7 MB • Compliance Guides
Video Library
How Does the Splash Guard (Option-S) Work
ASK THE EXPERTS - Gas Detection System: How It Works
ASK THE EXPERTS - Gas Detection System: Your Design
ASK THE EXPERTS - Gas Detector: How it Works
ASK THE EXPERTS - Gas Detector: Sensor Coverage
ASK THE EXPERTS - Gas Detector: Mounting Considerations
ASK THE EXPERTS - Gas Detection System: Interaction with VFD Fans
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Calibration Kits
The complete Calibration Kit contains the items necessary for common field and shop calibration. Smaller kits are available if not all items are required. Choose the calibration kit that gives you the tools you need for calibration.
Calibration Gases
Cylinders of zero air and span gas for calibration
Splash Guard (Option -S)
Protects sensor from water, dust and dirt; factory installed over the sensor vent, IP54 rating. Recommended for gas detectors installed in wash down or wet environments.
RSH-24V Remote Strobe & Horn
Two alarm features in one safety device, mounting fixture not included. Available in 3 different lens colours, combines a visual and an audible alarm feature into one compact, low profile device.
Cal Clip Calibration Adapter
Clips around the circular, black splash guard that is factory installed at the time of order on any CET black enclosure gas detectors or self-contained controllers. A removable adapter that allows the use of both hands during calibration.
FCS Multi Channel System Controllers
High performance controller with logic and priority settings for monitoring toxic, combustible and refrigerant gases with versatile control functionality. Available with Modbus® or BACnet® communication with BAS, supports 4-20 mA and Modbus® driven VFDs.
Replacement Sensors for cGas Product Line
Replacement Plug & Play Smart Sensor Boards for CGAS-A, CGAS-D, CGAS-AP, CGAS-DP, CGAS-SC and CGAS-SD models. Gas sensors have a lifespan which means they expire and need to be replaced.
cGas-SC Self-Contained Controller
A self contained controller with up to 3 gas channels, Plug & Play Smart Sensor Technology and configurable logic control and priority settings. Offers superior user customization and reliable gas detection performance for monitoring many gases.
Certificate of Sensor Calibration
Provides detailed sensor calibration information. A Certificate of Sensor Calibration is available for customers who require detailed calibration information.