Gas Leak Detectors, Analyzers, Alarm Devices and Calibration Gas
SKU# (3441)

GDS  GM/TX/01-31-11/00-00-00/1-0900

$2,540.00     Availability: 2 Weeks
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GDS GM/TX/01-31-11/00-00-00/1-0900
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GDS GASMAX TX Stand-Alone Wireless Gas Monitor with stainless steel sensor head and integrated sensor configured for Tetrahydrothiophene (THT) with range 0-15 to 0-30 ppm. Battery-Powerded. 900 MHz or 2.4 GHz Integrated Modems. LCD Display and Aluminium Housing. FCC and IC approvals.

Part# with Options:        GM/TX/01-31-11/00-00-00/1-0900
Price with Options:        2,540.00


(1) Configuration for GDS GASMAX TX
Sensor Head (Channel 1)
(2) Sensor Head for GDS GMTX CH1 (non reactive gases)
Gas Range
(3) Gas Range for GDS Odorant sensors (THT & TBM)
(4) Stainless Steel Enclosure for GDS
(5) Tag for GDS
(6) Antenna Style for Gasmax wireless
Rated Antenna
(7) Rated Antenna Coupler for C1D2 (GDS)
DC Version
(8) DC Version for GASMAX TX

  Availability 2 Weeks  ]


  • Third-generation ultra-low power design for toxics and combustibles
  • Single or dual channel, local or remote Smart Sensors
  • Graphic display shows values, units, trend graph, alarm levels
  • Power ON / Power OFF using magnetic wand only
  • Non-intrusive, user-prompted calibration procedure
  • Transmits all setup information to new C2/TX Wireless Site Manager
  • Reliable Frequency-Hopping Spread Spectrum technology
  • 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 VOC applications, see the GASMAX IIx gas monitor
  • Manufactured in USA

The GASMAX TX wireless gas monitor combines the latest in ultra-low power microprocessor design, infrared sensor technology and ease-of-use features to deliver the most advanced wireless toxic and combustible gas monitor available.

The GASMAX TX is compatible with all GDS Corp toxic sensors, including hydrogen sulfide, carbon dioxide, oxygen, hydrogen cyanide and many others. In addition, the GASMAX TX also supports the new SmartIR/LP low-power infrared sensor for hydrocarbon combustibles or carbon dioxide.

Advanced User Interface

The highly visible LCD display shows sensor status, calibrated engineering values and programmable tag name, along with a trend screen that displays the most recent 30 minute trend. A real-time clock and event log records calibration and alarm events for later review, and a menu- driven operator interface using magnetic keys eliminates all analog potentiometers and enables power on/off switching and setup without opening the enclosure.

Fully Integrated Wireless Solution

An internal easily-replaceable D-cell lithium battery and 900Mhz or 2.4Ghz license-free Frequency-Hopping Spread Spectrum (FHSS) wireless modem provide up to six months of continuous operation in typical applications. FHSS technology provides the best choice for long-range, reliable communications with high levels of noise immunity. When gas is present, the GASMAX TX transmits gas level data on six second intervals.

Complete Wireless System

The GASMAX TX is designed to operate most efficiently with the new mult-channel C2/TX Wireless System Manager. The C2/TX WSM supports up to 32 GASMAX/TX monitors and offers 8x relay outputs as well as optional serial MODBUS, data logging and WiFi access. In addition to the new C2/TX WSM, the GASMAX TX also works with GDS Corp C1 Protector 8/16 channel controller / receivers, C2 Quad Protector 4 channel controller / receivers and the new C64 Protector multi-channel controller.

Power Input Replaceable internal D-cell lithium battery; six-month operation (typical)
Display64 x 128 pixel LCD with 30-minute trend, bargraph and engineering units display.
InputSingle or dual channel input from 10-98xx toxic or 10-97xx infrared hydorcarbon combustible sensors
Standard OutputLicense-free 900Mhz or 2.4Ghz frequency-hopping spread spectrum (FHSS) wireless modem with data encryption
900MHz power adjustable from 10mW to 1.0 watt
2.4GHz output set at 50mW or 125mW (US only)
Receiver sensitivity typically -100dBm
Temp-25°C to +55°C (see sensor limitations)
HousingAluminum housing with epoxy paint standard; #316 stainless steel optional
DimensionsWidth 5.4” (137 mm), Height 8” (203 mm), Depth 5” (127 mm)
Shipping weight 6.5 pounds (3 kg)
ApprovalsFCC 15.247 & Industry Canada (IC)
WarrantyTwo years on electronics and one year on sensors from date of purchase

    10-9831-R11 Electrochemical Smart Sensor configured for Tetrahydrothiophene (THT) with range 0-15/0-30 ppm. For GDS GASMAX CX, GDS-58NXP, GDS-68XP, GDS-78XP. ..

    1200-0757 GDS Gas Detector Calibration Gas Cylinder Tetrahydrothiophene (C4H8S) 10ppm. Balance Nitrogen. 58L Aluminium Cylinder. ..

    1200-0758 GDS Gas Detector Calibration Gas Kit Tetrahydrothiophene (C4H8S) 5ppm. Balance Methane. Kit includes a 58L Aluminium 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 ..

    C2/TX/1-1/0-0/1-1-0900 GDS C2/TX Multi-Channel Wireless Display & Alarm Controller for Critical Gas Monitoring Applications. Monitors up to 32 GASMAX TX detectors. Large LCD Display. 900 MHz or 2.4 GHz FHSS radios. 8 Standard programmable relays. 24VDC or 117/240VAC. Optional M ..

    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 ..

    C64/PM-00-00-00/0-00-0/00/0-0-0-0/0-0-0 GDS C64 Protector Controller in Panel Mount (includes hardware) with up to 64 channels of analog, bridge, digital, wireless or MODBUS TCP. Large color LCD Display shows values, trends, bargraph and more. Pushbutton ZERO and SPAN calibration for direct sen ..

    GDS-68XP1/1-31-05/0-0-0 GDS GDS-68XP Automated Odorant Monitoring system with Stainless Steel sensor head configured for Tetrahydrothiophene (THT) natural gas odorant with range 0-50 mg/m3. Uses periodic sampling (from 3x per day to 12x per day) to extend sensor life and minimi ..

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> TETRAHYDROTHIOPHENE :    6 Items found.

MPOWER  M001-0085-000

mPower UNI MP100 Portable Single Gas Detector for detection of Tetrahydrothiophene (THT) 0-50ppm. Includes large LCD display, 6 Bright Red Flashing LED, Vibrating and 90dB Audible Alarm Port. IP67, Event Logger, UL approval for Class I Div 1.


GDS  GM/EC-01-31-11

GDS GASMAX/EC 2-Wire Gas Detector with backlit LCD display and local stainless steel sensor head explosion proof (XP) configured for Tetrahydrothiophene (THT) with range 0-15, 0-30 ppm (0-50 mg/m3), 4-20 mA output transmitter.



GDS  GMII-01-031-05/00-000-00/0-0

GDS GASMAX II 3-Wire Gas Detector with backlit LCD display and local stainless steel sensor head configured for Tetrahydrothiophene (THT) with range 0-15, 0-30 ppm, 4-20 mA output transmitter with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU.



GDS  GM/ECx-01-31-11-1-0900

GDS GASMAX/ECX Single Channel Wireless Gas Monitor with Local sensor head (XP, IS) configured for Tetrahydrothiophene (THT) with range 0-15, 0-30 ppm. A1, A2 and Fault LEDs for rapid recognition of alarm. 900 MHz or 2.4 GHz Integrated Modems.



GDS  GMCX-01-31-11/00-00-00/0

GDS GASMAX CX 3-Wire Gas Detector with local stainless steel sensor head configured for Tetrahydrothiophene (THT) with range 0-15 to 0-30 ppm, 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.



GDS  GMIIx-01-031-11/00-000-00/1-0900

GDS GASMAX IIx Sigle Channel Wireless Gas Monitor with local sensor head configured for Tetrahydrothiophene (THT) with range 0-15, 0-30 ppm. 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.