Gas leak detectors, analyzers, alarm devices and calibration gas
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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, ..

    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. ..

    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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> GAS DETECTORS (WIRELESS) > HYDROGEN :    28 Items found.

BACHARACH  6300-1119

Bacharach MGS-150 Gas Detector Transmitter with semiconductor sensor for Hydrogen (H2) 0-2000ppm. 4-20mA, 0-5V, 0-10V, 1-5V or 2-10V user selectable analog outputs. Onboard Alarm LED, audible buzzer and alarm relay. IP41 Housing (IP66 optional) and Remote sensor option. CE, IEC61010, Exd and UL CSA Approvals.




Macurco HD-11 Gas Detector for Hydrogen (H2) 10% LEL. Low voltage and designed for connection to Fire Alarm/Burglary Control Panels, SPDT Alarm and N.C. Trouble Relays. 12-24 VAC or VDC input. Intended for installation buildings in non-hazardous locations such as residences, retail stores, office buildings, and similar facilities.


RAE  G02-BM10-100

ToxiRAE Pro PGM-1860 Personal Portable Monitor For Hydrogen (H2) 0-1000 ppm with replaceable sensor, filter and Li-ion battety. Automatic bumb testing and calibration with AutoRAE 2 (optional). Includes Datalogging, Graphical LCD display, 2 buttons for operation and programming. CSA, ATEX, IECEx and China Ex Approved. IP-65. Wireless-capable option.




Honeywell Zareba Sensepoint Gas Detector Transmitter for Hydrogen (H2) with pre-wired universal junction box (1 threaded M20, 1 clearance 3/4"NPT, 1 clearance 1/2" NPT, 3 approved stopping plugs, earth continuity plate) and factory set toxic gas sensor. 2 wire 4-20mA loop output. ATEX Approved. (Optional ranges: 0-1000 ppm, 0-10000 ppm)




CTI GasGuard H2 Hydrogen Catalytic Bead Sensor 0-1% (10000 ppm or 25%LEL) for gas leak detection in battery charging rooms, steel industry, refineries and others. No false alarms. 4-20 mA output, 24VDC power supply and NEMA 4X polycarbonate enclosure.



HONEYWELL  2106B1416

Honeywell Sieger Sensepoint Gas Detector Transmitter for Hydrogen (H2) (0-1000 ppm to 0-10000 ppm) with Surecell Toxic Sensor. 2 wire 4-20mA loop output. ATEX/IECEx Certified.




CTI GG-H2-EC-EXP Explosion Proof Electrochemical Gas Sensor for Hydrogen (H2) 0-2000 ppm and 0-10000 ppm. 4-20 mA output, 24VDC power supply. Explosion Proof Copper-free aluminum enclosure for Class l, Div 1 & 2, Groups B, C & D. CSA, UL, FM, ATEX and IECEx approved.



GDS  GDS-49-1-14-08

GDS GDS-49 Remote Gas Detector Transmitter with Stainless steel sensor head configured for Hydrogen (H2) with range 0-1000 to 0-5000 ppm. 2-Wire 4-20 mA transmitter.




Macurco Ex Series Explosion Proof Catalytic Bead Gas Detector for detection of Hydrogen (H2) 0-100%LEL. Includes 4-20 mA Output, 3 Onboard Relays, Modbus RS-485 Communication and LCD Digital Display. Aluminium Enclosure. IP66. FM and CSA approvals for Class I Division 1.




Honeywell XCD Sensepoint Gas Detector, Hydrogen (H2) Electrochemical Sensor with aluminium housing (optional stainless steel), stainless steel sensor head, explosion-proof IP66 for hydrogen (H2) 3-wire 24 VDC power, include 2 programmable alarm relays, 1 programmable fault relay, 4-20mA output (sink or source selectable); Modbus RTU option available. User-Selectable full scale range 1,000ppm only UL/CSA Class I Division 1 or ATEX IECEx available.



GDS  TM-EC-48-14-19-0

GDS TRANSMAX EC Loop-Powered Gas Monitor with stainless steel sensor head (optional DELRIN) and integrated sensor configured for Hydrogen (H2) for range 0-1% or 0-4% vol. 2-wire 4-20mA current sink output and large LCD Display. Polycarbonate housing (IP66/IP67).




Honeywell Sensepoint XCD RTD Gas Detector for Hydrogen (H2) with Remote Electrochemical Sensor. Aluminium alloy LM25 or 316 stainless steel housing, PPS sensor head. IP67. 3-wire 24 VDC power. Includes 3 programmable alarm relays and 4-20mA output (sink or source selectable), Modbus RTU option available. User-Selectable full scale range 0 to 1000 ppm. UL/cCSAus Approved for Class I Div 2.



GDS  TMII-48-14-19/00-00-00/0-0

GDS TRANSMAX II Gas Detector with Local DELDRIN sensor head with integrated sensor configured for Hydrogen (H2) for range 0-1% or 0-4% vol. with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU, 4-20mA output transmitter.



DETCON  961-070026-01P

Detcon DM-102-H2 Electrochemical Hydrogen (H2) 0-1%vol Sensor Assembly with loop powered display. 4-20 mA. Features intelligent electronices, non-intrusive operator interface and comprehensive fault diagnostics. 316 Stainless Steel Housing with 3/4" NPT thread. XP-instrinsically safe. Class I, Div. 1, Groups A, B, C, & D.



Honeywell Series 3000 MkII Gas Detector Transmitter, with aluminum housing (optional stainless steel) for monitoring HYDROGEN (H2) with electrochemical sensor, 2-wire 4-20mA loop. Optional ranges: 0-1,000ppm ,0-10,000ppm



GDS  GM/EC-01-14-19

GDS GASMAX/EC 2-Wire Gas Detector with local stainless steel sensor head (explosion proof ) configured for Hydrogen (H2) with range 0-1% or 0-4% vol. 4-20 mA output transmitter.




Macurco Ex Series Explosion Proof Electrochemical Gas Detector for detection of Hydrogen (H2) 0-1000ppm. Includes 4-20 mA Output, 3 Onboard Relays, Modbus RS-485 Communication and LCD Digital Display. Aluminium Enclosure. IP66. FM and CSA approvals for Class I Division 1.



GDS  GMII-01-014-19/00-000-00/0-0

GDS GASMAX II 3-Wire Gas Detector with local stainless steel sensor head configured for Hydrogen (H2) with range 0-1% or 0-4% vol. 4-20 mA output transmitter with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU.




Honeywell XNX Universal Gas Detector Transmitter for monitoring Hydrogen (H2) compatible with all Honeywell gas sensing technologieswith aluminum housing. 3-wire 4-20mA HART loop, option for Modbus, Foundation H1 Fieldbus, local Hart and relay outputs UL Certified Class 1, Div 1 Groups A, B, C, D / ATEX Zone 1. Optional ranges: 0-1000ppm, 0-10000ppm



DETCON  967-070790-01P

Detcon DM-702-H2 Electrochemical "Smart" Hydrogen (H2) 0-1% vol. Sensor Assembly with LED display. 4-20mA and Modbus RS-485 outputs. 316 Stainless Steel Housing. Water Proof, Corrosion Proof, Vibration Proof and Explosion proof. NEMA 4X. IP66. Class I, Div. 1, Groups B, C, & D. CSA and ATEX approvals.

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