CX Series Fixed Gas Detector

GAS MONITOR FOR HAZARDOUS & CLASSIFIED LOCATIONS

Conspec’s CX Series is your fixed gas detector solution for toxic or combustible gas monitoring in hazardous or classified locations. The CX Series is available with an analog 4-20 mA output, dry relay contacts, & Modbus RTU over RS-485 communications.

The CX Series fixed gas detector supports over 35 sensor types giving it the capability to detect over 100 different gases. An optional remote sensor can be placed in potentially harmful areas while the transmitter can be monitored safely. Dry contact relays for 1st level alarm, 2nd level alarm, and fault can be used for alarming or process control. The 4-20 mA analog output signal or optional Modbus RS-485 communications can be connected to any existing PLC, DCS, or EMS system.

PRODUCT FEATURES

Bright LED Status Indicators – Provide clear, at-a-glance system status to quickly identify alarms and operational conditions.
Back-Lit LCD Display – Ensures visibility of real-time readings and system information in all lighting conditions.
Long Sensor Life – Designed for extended operational longevity, reducing replacement frequency and minimizing maintenance costs.
Automatic Reset After Power Loss/Interruption – Restores normal operation seamlessly, minimizing downtime and manual intervention.
Temperature & Humidity Compensated – Maintains accurate gas detection under a wide range of environmental conditions.
High Immunity to RFI & EMI – Protects the system from interference caused by radio frequency and electromagnetic sources.
One-Year Limited Warranty

GASES DETECTED

Carbon Monoxide (CO)
Methane (CH₄)
Hydrogen (H)
Hydrogen Sulfide (H₂S)
Nitrogen Dioxide (NO₂)
Carbon Dioxide (CO₂)
Oxygen (O₂)
Chlorine (CL₂)
Ammonia (NH₃)
Ozone (O₃)
Nitric Oxide (NO)
Propane (C₃H₈)
Hydrogen Cyanide (HCN)
Hydrogen Chloride (HCL)
Sulfur Dioxide (SO₂)
Volatile Organic Compounds (VOCs)

Additional gas configurations available. contact sales a complete list of part numbers.

TECHNICAL SPECIFICATIONS

Mechanical

Enclosure: Explosion Proof (FM, CSA Listed)
Enclosure Finish: Corrosion-Resistant,
Polyester Powder Coated
Compliance: CL I Groups A, B, C, D Div 1, CL II
Groups E, F, G Div 1, CL III, NEMA 4X
Weight: Approximately 3 Pounds
Conduit Entry: Two (3/4” NPT)

Environmental

Operating Temperature: -4°F to 122°F (-20°C to 50°C)
Temperature Compensation: Full Temperature Range
Operating Humidity: 10% to 95% RH Non-Condensing

Electrical

Operating Voltage: 12-24 VDC
Cable Requirements: 3-Conductor 16-18 AWG Suggested
Current Consumption: 50 mA Full Scale
Output Signal: Linear 4-20 mA

Signal

Sensor Types: Electrochemical, Catalytic Bead, Infrared, Photo-Ionization, Thermal Conductivity
Programming: Via Optional Handheld Infrared Remote Control
Display: Two Line, 8-Character Alphanumeric LCD Display
Bi-Color Status LED: Indicates Normal, Alarm 1, Alarm 2, Sensor Fail
Total Alarms: Three (Alarm #1, Alarm #2, & Sensor Fail)
Alarm Set Point #1: User-Defined
Alarm Set Point #2: User-Defined
Outputs: 4-20 mA, Modbus RTU, SPDT Relays

SAFETY APPLICATIONS

Automotive Facilities
Factories / Warehouses
Boiler / Generating Rooms
Water Treatment Facilities
Wastewater Treatment Plants
Chemical Processing
Petrochemical Exploration
Pulp & Paper Mills
Pharmaceutical Labs
Telecommunication Facilities
Semiconductor Facilities
Power / Cogeneration Plants

ACCESSORIES

UP99 Hand-Held IR Programmer/Calibrator
CXRXP Remote Sensor
CDMA Silo Insertion Mount
P1879 Calibration Kits

Request CX Series Pricing / Availability

Looking for dependable gas detection and control solutions at the right price, without the long wait? Conspec offers industry-leading turnaround times and competitive pricing on all of our safety solutions. Please share some information about your project and a member of our team will respond at their earliest convenience.

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