Gas leak detectors, analyzers, alarm devices and calibration gas
SKU# (3317)

GDS  GMCX-10-132-02/00-00-00/0

$3,200.00     Availability: 2 Weeks
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GDS GMCX-10-132-02/00-00-00/0
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GDS GASMAX CX 3-Wire Gas Detector with local stainless steel sensor head configured for GDS-IR Infrared Carbon Dioxide (CO2) with range 0-5% v/v or 0-3.5% v/v, QVGA color TFT display, 4-20 mA output transmitter, Ethernet Modbus TCP RJ-45 port with built-in web server. Optional Alarm Relay Board (4x 5A SPDT) and RS-485 Modbus RTU. CSA Certified for Class I, Div 1, Grps B, C, D.

Part# with Options:        GMCX-10-132-02/00-00-00/0
Price with Options:        3,200.00


Range (GDS-IR Channel)
(1) Range for GDS GMII (GDS-IR-CO2)
Output Options
(2) Output Options for GDS GMCX
(3) Stainless Steel Enclosure for GDS
(4) Tag for GDS

  Availability 2 Weeks  ]


  • CSA Certified for Class I, Div 1 explosion-proof installations
  • Monitor any combination of toxic and combustible gases
  • High resolution color TFT display for easy recognition of alarm status
  • Supports both local and remote sensors for easy installation
  • Non-intrusive, prompted calibra- tion with programmable cal value
  • Dual independent 4-20mA analog outputs with 0-4mA pass-through
  • Standard Ethernet port with built- in web server for remote access
  • Power-up and post-calibration delays eliminate false alarms
  • Backlit display for better visibility in low light conditions
  • Optional 4x SPDT alarm relays and dual MODBUS serial ports
  • Graphic display shows values, units, trend graph, alarm levels
  • Security settings allow user to lock critical parameters
  • Auto-recognition of Smart Sensors uploads calibration data & more
  • Fault supervision circuitry detects failed sensor & transmits warning
  • Setup in hazardous area requires only simple magnetic wand
  • Manufactured in USA

The new GASMAX CX gas monitor from GDS Corp delivers quality, performance and advanced features for the most critical gas detection applications. Designed especially for situations where gas readings need to be transmitted in real time via a variety of communication options, the GASMAX CX includes dual 4-20mA outputs and built-in Ethernet port with MODBUS/TCP and web server. An optional output board incldues 4X alarm relays and dual serial MODBUS channels with data rates up to 115k bits per second.

Widest Variety of Available Sensors

Built-in dual channel electronics allow the GASMAX CX to support almost any combination of GDS Corp toxic, bridge or 4-20mA sensors. Channel 1 features a dedicated bridge input configuration for traditional direct catalytic bead sensors, and both channels support the new 10- 98xx digital output low-noise sensors. Built-in sensor monitoring circuitry detects sensor faults or warns of missing sensors.

Advanced User Interface

The highly visible full color TFT backlit display makes the GASMAX CX gas monitor extremely easy to read and operate, and magnetic switches arranged around the screen allow users to perform calibrations or change settings without opening the enclosure. Bright flashing yellow or red alarm screens give users the ability to instantly recognize alarm conditions and take appropriate action.

Reliable, Dependable, Certified

The GASMAX CX carries a full two-year warranty and is fully CSA certified for use in Class I Division 1 hazardous areas.

GDS-IR Features

The GDS-IR Infrared Gas Sensor uses proven, reliable infrared sensing technology to detect dangerous levels of carbon dioxide or explosive levels of methane, propane and other hydrocarbons. The GDS-IR sensor is CSA certified for use in Class 1 Division 1 explosive environ- ments and is CSA performance tested.

Advanced Infrared Technology

The GDS-IR infrared combustible gas sensor offers low total cost of ownership and a seventeen-year MTBF rating. Designed for especially harsh environments, the GDS-IR is virtually maintenance-free and immune to poisoning or etching by any known gas. The sensor element features a self-compensating optical bench, heated optical chamber and fault indication for all failure modes. The optical path can be easily opened for cleaning.

No periodic span calibrations are required. On initial setup and after each cleaning, a simple ‘auto zero’ procedure is used to establish proper operating conditions.


The GDS-IR can be calibrated to read a wide range of combustible hydrocarbons, including methane, propane, hexane, pentane, ethanol, Jet-A, isobutane, propylene and isoproply alcohol, as well as carbon dioxide to 5% by volume. GDS-IR sensors are factory programmed and calibrated when shipped and can be field programmed for alternate response curves. Both LEL and % by volume ranges are available.


When combined with the GASMAX II monitor, the duo provides local display, 4-20mA output with diagnostics, optional second electrochemical sensor, isolated 4-20mA outputs or MODBUS slave interface with programmable relays.

Reliable Detection

The GDS-IR is manufactured in the USA and includes a five year operational warranty. Applications include refineries, onshore and offshore drilling platforms, fuel loading docks, biogas processing, breweries, wastewater treatment facilities and natural gas storage and distribution.


  • Suitable for use in SIL-2 rated safety systems
  • High speed response for critical applications (T50 less than 3 sec)
  • 5 Year Warranty and long life lowers total cost of ownership
  • 12 Year Warranty on infrared radiation source
  • Rugged stainless steel construction with no moving parts
  • Heated optical chamber maintains accuracy in cold conditions
  • Operates in constant hydrocarbon and anaerobic atmosphers
  • Ten discrete fault indication values for all failure states
  • Straight line optical path eliminates need for mirrors
  • Managed power-up delay reduces initial load on power supply
  • Industry standard 4-20mA current loop calibrated output
  • Multiple gas calibration curves for %LEL and % by volume
  • CSA Certified C22.2 No. 152-M1984 Performance Tested
  • Manufactured in USA

Power Input 10-30VDC at < 10 watts with relay board (all relays energized)
DisplayQVGA color TFT display with value, 30-minute trend and bargraph
Channel One InputDigital sensor, bridge-style direct sensor or 4-20mA analog input
Channel Two InputDigital sensor or 4-20mA analog input
Standard OutputDual 3-wire 4-20mA current source. Max loop R is 600 ohms @ 24VDC
Ethernet RJ-45 with built-in web page for remote acces
Optional OutputThree programmable relays plus dedicated FAULT relay
Dual programmable master / slave MODBUS RS-485 serial interfaces
EnvironmentalOperating range -40°C to +60°C
Sensors include sensor heater for low temperature operation
Relative humidity to 95% non-condensing with GDS-IR; to 85% non- condensing when using electrochemical sensors
HousingAluminum housing with epoxy paint standard; Optional #316 stainless steel housing (specify [SS] in part number)
DimensionsWidth 5.4” (137 mm), Height 8” (203 mm), Depth 5” (127 mm) Shipping weight 6.5 pounds (3 kg)
Approvals CSA Certified for Class I, Div 1, Grps B, C, D.
Warranty 2 years on electronics and one year on sensors

    10-0203 GDS Sensor calibration cup for stainless steel / aluminum sensor heads ..

    1200-0540 GDS Gas Detector Calibration Gas Cylinder Carbon Dioxide (CO2) 2.5% v/v. Balance Nitrogen. 103DS Stainless Steel Cylinder. ..

    1200-0553 GDS Gas Detector Calibration Gas Cylinder Carbon Dioxide (CO2) 25% v/v. Balance Nitrogen. 103DS Stainless Steel Cylinder. ..

    1200-0503 GDS Gas Detector Calibration Gas Kit Carbon Dioxide (CO2) 2.5% v/v. Balance Nitrogen. Kit includes a 103DS Stainless Steel Cylinder of Calibration Gas, fixed flow regulator, tubing, calibration cup and carrying case. Optional Zero Air Cylinder. ..

    1200-0537 GDS Gas Detector Calibration Gas Kit Carbon Dioxide (CO2) 25% v/v. Balance Nitrogen. Kit includes a 103DS Stainless Steel Cylinder of Calibration Gas, fixed flow regulator, tubing, calibration cup and carrying case. Optional Zero Air Cylinder. ..

    C1/SM/0000/000000/00000 C1 Multi-Point Alarm gas detector Controller with 8 or 16 channel alarm & display controller for monitoring applications. It can be configured for GAS MAX wireless gas monitors. Standard 5A SPDT common relays and up to 48 discrete relays. 1 or 2 optional ..

    C2QUAD-00-00000-0-0 C2 Quad Protector Multi-Point Alarm Controller for gas detectors/transmitters with four channel alarm & display for monitoring applications. Accepts either 4 x 4-20mA, 4 x bridge-type, 2 x mA/2 bridge or wireless devices. It can be configured for GAS MAX ..

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