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Gas leak detectors, analyzers, alarm devices and calibration gas
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  • provides a wide range of industrial gas detection systems including toxic, oxygen and combustibles, truly "state of the art" devices offering unparalleled features and capabilities along with Hazardous Area, Explosion Proof, UL, Atex and CSA certifications at a reasonable price. We also offer gas detection solutions with PLC & SCADA.

  • Our Broad spectrum of skills, experience and hands-on approach ensures the success of Your project
  • We provide specialized products, services or turnkey projects, to suit your needs in
    • Fixed gas detectors.
    • Portable gas detectors.
    • Multi-Point gas controllers.
    • Calibration Gases.
    • Alarm Signal Devices.
    • Installation and commissioning.
    • PLC-based gas detection solutions.
    • Data acquisition and SCADA.

Houston, TX USA

SKU#(1835) Be the First to Review this Item

GDS  GMIIx-01-014-19/00-000-00/1-0900


$2,120.90     Availability: 2 Weeks
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GDS GMIIx-01-014-19/00-000-00/1-0900
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GDS GASMAX IIx Sigle Channel Wireless Gas Monitor with local sensor head configured for Hydrogen (H2) with range 0-1% or 0-4% vol. A1, A2 and Fault LEDs for rapid recognition of alarm. 900 MHz or 2.4 GHz Integrated Modems and standard 4-20 mA outputs, 24 VDC.

Part# with Options:        GMIIx-01-014-19/00-000-00/1-0900
Price with Options:        2,120.90


(1) Configuration for GDS GASMAX TX
Sensor Head (Channel 1)
(2) Sensor Head for GDS GMIIx CH1 (non-reactive gases)
Gas Range
(3) Gas Range for GDS (0-2000 ppm, 0-1% to 0-4% vol) Hydrogen sensors
(4) Stainless Steel Enclosure for GDS
(5) Tag for GDS
(6) Antenna Style for Gasmax wireless

  Availability 2 Weeks  ]

The GASMAX IIx gas monitor delivers the latest in wireless toxic or combustible gas detection technology, reliability and ease of use.

Widest Variety of Available Sensors

Advanced electronics allows the GASMAX IIx to support any single GDS Corp electrochemical toxic or bridge-type catalytic bead, infrared or PID sensor. GDS Corp Smart Sensors enhance this capability by maintaining their own record of serial number, born-on date, initial calibration values, engineering units and more. Using this information, the GASMAX IIx constantly tracks sensor performance and calculates an estimate of sensor life remaining.

Advanced User Interface

The highly visible backlit display and high intensity alarm LEDs constantly show alarm status, calibrated engineering values and programmable tag name; a trend screen shows alarm levels and the most recent 30 minute data values. An internal real-time clock and event log time-stamp calibration and alarm events for later review. A menu-driven operator interface using magnetic keys eliminates all analog potentiometers and allows complete setup and calibration without hazardous area declassification.

Fully Integrated Wireless Solution

An internal 900Mhz or 2.4Ghz license- free spread-spectrum wireless modem allows the GASMAX IIx to transmit gas detection data to a remote host controller. Every 6 seconds, the GASMAX IIx samples the atmosphere and transmits a warning signal if the pre-programmed alarm level is exceeded. Under normal “no-gas” conditions the GASMAX IIx transmits a ‘keep-alive’ signal every five minutes to verify communications.

Host Controllers

The GASMAX IIx is designed to communicate with the C1 Protector 8/16 channel controller / receiver or the C2 Quad Protector 4 channel controller / receiver. Both controllers are available with integrated 900Mhz or 2.4Ghz wireless modems.


  • Integrated radio modem enables wireless data transmission
  • Monitor toxic or combustible gases in remote locations without wires
  • Graphic display shows values, units, trend graph, alarm levels
  • Supports both local and remote sensors for easy installation
  • Non-intrusive, prompted calibration with programmable cal gas
  • Power-up and post-calibration delays eliminate false alarms
  • 900Mhz (US) or 2.4Ghz (worldwide) versions available
  • Security settings 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
  • Typical > 1 mile range with local ‘whip’ antenna (900Mhz)
  • For battery applications, see the GASMAX/ECx gas monitor
  • Manufactured in USA
Determining Wireless Communications Range

The distance at which any wireless connection will operate reliably is dependent on many factors, including terrain, frequency, path length, interference from existing radio sources, combined antenna height, transmitter power and receiver sensitivity. For reliable communication, the system power margin (TX power + RX gain + Antenna gain - Path Loss) must exceed 20 dB. Range can be improved by increasing antenna height, using directional antennas or increasing transmitter power.

Power Input: 10-30VDC at < 3 watts with wireless radio modem.
Display Backlit 64 x 128 pixel LCD with 30-minute trend, bargraph and engineering units display.
Electrochemical Sensor Input Channel 1 accepts microamp-level signals from GDS Corp toxic & oxygen deficiency sensors
Bridge Type Sensor Input Channel 2 provides adjustable excitation voltage for SmartIR, PID and catalytic bead. Can be converted to 4-20mA input.
Standard Output License-free 900Mhz or 2.4Ghz frequency-hopping spread spectrum wireless modem with data encryption
900MHz power adjustable from 10mW to 1.0 watt 900MHz;
2.4GHz output fixed at 50mW
Receiver sensitivity typically -110dBm
Temp -25°C to +65°C (see sensor limitations)
Housing AAluminum with epoxy paint standard; #316 stainless optional
Dimensions Width 5.4” (137 mm), Height 8” (203 mm), Depth 5” (127 mm) Shipping weight 6.5 pounds (3 kg)
Approvals Suitable for XP installations
Warranty 2 years on electronics and one year on sensors.

    10-9514-R19 Electrochemical Smart Sensor configured for Hydrogen (H2) with range 0-1% or 0-4% vol. For GDS GASMAX EC, GASMAX II, TRANSMAX EC, TRANSMAX II with stainless steel sensor head and GDS GASMAX ECx, ..

    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 ..

    1200-0545 GDS Gas Detector Calibration Gas Cylinder Hydrogen (H2) 50% LEL. Balance Air. 103DS Stainless Steel Cylinder. ..

    1200-0511 GDS Gas Detector Calibration Gas Kit Hydrogen (H2) 50% LEL. Balance Air. Kit includes a 103DS Stainless Steel Cylinder of Calibration Gas, fixed flow regulator, tubing, calibration cup and carrying case. Optional Zero Air Cylinder. ..

B2B Checkout Options: PO#, Designated Carrier and Tax-Exempt purchase
Payment Options: Credit Card, Credit Card Over the Phone, PAYPAL, Wire Transfer, Check and Money Order

Checkout with Paypal

GM/ECx-01-14-19-1-0900 (1812) GDS  GM/ECx-01-14-19-1-0900

GDS GASMAX/ECX Single Channel Wireless Gas Monitor with Local sensor head (XP, IS) configured for Hydrogen (H2) with range 0-1% or 0-4% vol. A1, A2 and Fault LEDs for rapid recognition of alarm. 900 MHz or 2.4 GHz Integrated Modems.



GM/TX/01-14-19/00-00-00/1-0900 (3424) GDS  GM/TX/01-14-19/00-00-00/1-0900

GDS GASMAX TX Stand-Alone Wireless Gas Monitor with stainless steel sensor head and integrated sensor configured for Hydrogen (H2) with range 0-1% or 0-4% vol. Battery-Powerded. 900 MHz or 2.4 GHz Integrated Modems. LCD Display and Aluminium Housing. FCC and IC approvals.



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