- Single channel, internal or remote
- Remote sensor mount up to 4,000 ft / 1,219 m
- 4 – 20 mA analog or Modbus® digital outputs
- Three 5A @ 30 VDC or 240 VAC relays (available with digital internal sensor models)
- Large graphic LCD display for real time monitoring that changes colour with channel status
- Menu driven magnetic keypad for user configurations
- Displays values in bar graphs or 30 minute onboard data trends
- Security menu with authorization code access to lock critical parameters
- Optional heated sensors and electronics for low temperature operation
Electrochemical Sensors (internal): Ammonia (NH3), Carbon monoxide (CO), Chlorine (CL2), Hydrogen (H2), Hydrogen chloride, Hydrogen sulphide (H2S), Nitrogen dioxide (NO2), Oxygen (O2), Sulphur dioxide (SO2)
Infrared Sensors (internal): Carbon dioxide (CO2), Butane (C4H10), Ethanol (C2H6O), Hexane (C6H14), Toluene (C7H8), Methane (CH4), Propane (C3H8)
Catalytic Sensors (internal or remote): Acetylene (C2H2), Butane (C4H10), Ethylene (C2H4), Hydrogen (H2), Methane (CH4), Propane (C3H8), Pentane (C5H12)
PID Sensors (internal): Acetaldehyde (C2H4O), Benzene (C6H6), Ethyl Alcohol (C2H6O), Isobutylene (C4H8), other gases may be available upon request
Enclosure: Durable cast aluminum explosion proof, IP65 or IP66 with splash guard installed
Division 1 & 2, Class 1, Groups A, B, C, D
Weight: 2.18 kg / 4.8 lbs
Size: 12.7 cm x 12.7 cm / 5.0 “ x 5.0”
Display: 5.4 x 3.1 cm / 2.1 x 1.2 in, 64×128 pixels
Backlit, LCD graphic display for gas readings, 30 minute trends or bar graph, channel status backlit colour changes
Front Panel: Magnetic touch pads, LED indicator lights for RX and TX communication status
Security Mode: Locks out critical parameters, offers password protection
Memory: Non-volatile E2 memory retains configuration values on power outages
Calibration: Non-intrusive calibration and menu navigation with magnetic wand (p/n: CET-MW)
Analog Output: Analog – 4-20 mA (3-wire 4-20 mA current source 750 ohms max with nominal 24VDC power supply)
Digital Output: Digital – Modbus® RS-485 master/slave ports
Relay: Three programmable Form C (SPDT) relays rated for 5 amp at 30 VDC or 240 VAC resistive alarm relays (optional for CXT2-D models only)
Power Requirement: 10 – 30 VDC, 250 mA @ 24 VDC, 6.5 watts with relay board (all relays energized)
Power Consumption: Relays / RS485 Modbus Option Board: 40 mA per relay (120 mA total with all 3 energized); RS-485 use adds 20 mA
Wiring: Digital: 4-conductor, 12 AWG stranded, shielded network wiring (daisy-chain)
Analog: 3-conductor, 16 AWG stranded, shielded
Wire Gauge: Digital 4-conductor 2 x 12 AWG + 2 X 24 AWG (Belden 9841 or equivalent)
Operating Temperature: -40°C to 60°C (-40°F to 140°F)
With optional Arctic Heater Smart Sensors operates down to -55°C (-67°F)
Operating Humidity: 5 – 90% RH non-condensing
Conforms to: Class 1, Div, 1, Groups A, B, C, D; Class 1, Zone 1, Group IIC, T4
Class 1, Div, 2, Groups A, B, C, D; Class 1, Zone 2, Group IIC, T4
Models with electrochemical sensor types CL2, NH3 and NO2 are Class 1, Div 2 and come with a splash guard.
RoHS compliant circuit boards
Hazardous Area
T Class Rating
Temperature Code T4
- Industrial / Commercial Buildings
- Onshore Oil & Gas Terminals
- Utilities
- Power Plants
- Refineries
- Chemical Plants
- Deep Freezer Rooms
- Chiller Rooms
- Production Facilities
- Extraction Facilities
- and many more…
