cGas Detector Analog Transmitter

For monitoring: Carbon dioxide, Ethanol, Dimethyl ether, Methanol

Single channel, analog gas detector with Plug & Play Smart Sensor Technology

Applications

Greenhouses
CO2 Fire Suppression
CO2 Storage Rooms
CO2 Refrigeration Systems
Microdistilleries
Oil Extraction Rooms
Chemical Plants
Industrial Solvent Manufacturing
Perfume/Beauty Products Manufacturing
Household Products Manufacturing
Sewage Treatment Facilities
and many more...

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Key Features

One 4-20 mA analog output
Easy Plug & Play Smart Sensor replacement at end of life, comes pre-calibrated
Bright LCD display
Optional RH & Temperature sensor (Option -RHT)
Optional 2A SPDT dry contact relay (Option -RLY)
USB port for configuration changes and firmware upgrades
Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 rated with optional factory installed splash guard (Option -S)
24 VDC or VAC power (ground reference)
RoHS compliant circuit boards

Description

The analog cGas Detector is designed for use in non-explosion rated, commercial / light industrial applications that require continuous monitoring of carbon dioxide or alcohols such as ethanol or methanol.

It offers one 4-20 mA analog output, is powered by 24 VDC or ground referenced AC and has an LCD display, temperature compensation and a thermal resetting fuse. The firmware and configuration can be upgraded in the field using a USB connection. Pre-calibrated sensors with true Plug & Play Smart Sensor technology makes replacing sensors quick and easy.

The cGas Detector 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.

Note: Ethanol and Methanol are highly flammable. The cGas Detector is intended for use in non-classified areas only. Follow project specifications. If monitoring area is classified, our combustible or infrared CXT Explosion Proof products would be a suitable alternative.

Specifications

Target Gas

Infrared Sensor

Carbon dioxide (CO2)

Catalytic Sensor

Ethanol or Dimethyl ether (C2H6O), Methanol (CH4O)

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

2-line by 16 character graphic LCD

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 updated / firmware upgrades

Input/Output

Analog Output

One linear 4 - 20 mA analog

Electrical

Power Requirement

16-30 VDC, 3 W, Class 2

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

Wiring

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

Fuse(s)

Automatic resetting thermal

Environmental

Operating Temperature

0°C to 50°C (32°F to 122°F)

Operating Humidity

15 - 90% 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.

RoHS compliant circuit boards

Product Codes

CGAS-A-CO2-5K

Internal infrared carbon dioxide (CO2) sensor (0 - 5,000 ppm), LCD display, 4-20 mA output, 24 VDC or VAC power, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-CO2-5%

Internal infrared carbon dioxide (CO2) sensor (0 - 5.0% vol), LCD display, 4-20 mA output, 24 VDC or VAC power, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-CC2H6O-100

Internal catalytic ethanol or dimethyl ether (C2H6O) sensor (0 - 100% LEL), LCD display, 4-20 mA output, 24 VDC or VAC power, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

CGAS-A-CCH4O-100

Internal catalytic methanol (CH4O) sensor (0 - 100% LEL), LCD display, 4-20 mA output, 24 VDC or VAC power, black ABS/PC water / dust tight enclosure, plug & play smart sensor technology

Factory Options

-RHT

RH and Temperature sensor (communication back to a controller is available with digital models only)

-RLY

One SPDT dry contact relay, rated 30 volts, 2 amps max (not available with CO2 configurations)

-S

Splash guard, factory installed, IP54 rating