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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.
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    • Installation and commissioning.
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    • Data acquisition and SCADA.

Houston, TX USA

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BACHARACH  5600-3011


$1,318.50     Availability: 4 Weeks
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BACHARACH 5600-3011
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Bacharach GDX-350 Gas Sensor Transmitter and Monitor with Smart Sensor calibrated for Carbon Monoxide (CO) 0-1000ppm. 3-wire version. Electrochemical sensor. Graphic LCD. 4-20 mA Output. Aluminum Enclosure. Optional Modbus RTU. CSA Approved.

Part# with Options:        5600-3011
Price with Options:        1,318.50


(1) Model for Bacharach GDX-350 Electrochemical

  Availability 4 Weeks  ]

Features and Benefits
  • Pre-calibrated Smart Sensor capability with 'plug-n-play' convenience minimizes maintenance and downtime
  • Non-Dispersive Infrared (NDIR), Catalytic Bead and Electrochemical sensor options available
  • Can be placed directly in hazardous environments where leaks occur for quick detection and rapid response
  • Graphic LCD for real-time monitoring of concentrations
  • 4-20 mA, optional Modbus RTU ® and wireless interface
  • Easily update alarm set points, configurations or maintenance modes using the LCD display
  • 30-minute onboard data trend
Standalone Operation in Harsh Environments

Bacharach's new state-of-the-art GDX-350 transmitters, with Smart Sensor technology, provide accurate and continuous detection of toxic, combustible and asphyxiate gases. The full-featured design of the GDX-350 includes a large LCD display, a 4-20 mA interface, programmable alarms, optional relays and a Modbus interface. Exclusive pre-calibrated replacement sensor technology makes occasional maintenance practically effortless. Rugged construction, intrinsic safety capability (in two-wire mode with barrier) and an explosion-proof housing allow the GDX-350 to operate directly in hazardous-rated areas of many industrial environments, delivering reliable, superior-sensing performance to protect human life, equipment and property.

With its large LCD display, the GDX-350 shows gas concentrations, engineering units and bar graphs along with the most recent 30 minutes of trend data. Utilizing the on-board magnetic keypad, users can also navigate through the display to change alarm set points, instrument configurations, or enter into maintenance mode for non-intrusive sensor calibration. For security, menu options also enable the selection of an authorization code to lock critical parameters. Accompanying the LCD display are standard LED alarm indicators that show when low and high alarm conditions are met. An optional relay board is available to provide three 5-amp relays that can be used to drive audible/visual alarms, or activate exhaust fans.

GDX-350 Product Specifications
Dimensions: 8.0” x 5.5” x 4.61” (20.32 cm x 13.97 cm x 11.71 cm)
Housing: Durable Aluminum Enclosure - Suitable for Class 1, Div. 1 & 2, Groups B, C, D
Front Panel: 5 Indicator Lights: Alarm 1, Alarm 2, Fail, In Calibration, and RS-485
User Interface: 64 x 128 Pixel LCD Graphic Display for Gas Readings, 30 Minute Trend, Bar Graphing, Engineering Units and Backlight
Operating Temperature Range: -40°F to 140°F (-40°C to 60°C)
Ambient Humidity Range: 5% - 90% RH Non-Condensing
Security Mode: Lock Out Critical Parameters
4-20 mA Output Signal: 3-wire, 4-20 mA. Max Loop Resistance is 750 Ω (@24 VDC)
Alarm Relays: 3 Configurable Form C (SPDT) Relays rated for 5 amp at 30 VDC or 240 ~ VAC RESISTIVE. | Relay 1 and Relay 2 Level Alarms are configurable for HIGH or LOW Trip, for Normally Energized (Failsafe) or Normally De-Energized and for Latching or Non-Latching.
Relay 3 is always Normally Energized for Failsafe Operation so any loss of power to the GDX-350 will be indicated as a “FAULT” condition.
Communications: RS-485, Modbus ®
Power: 10 - 30 VDC, 250 mA (@ 24 VDC)
Power Safety Mode: Fully automatic system reset. All program parameters are retained.
Approvals: CSA: Division 1 & 2, Class 1: Groups B, C, D (excludes NH 3 )

    5600-0004 Bacharach Calibration cup / sample draw adaptor for GDX-150 and GDX-350 detectors. ..

    5600-0003 Bacharach Splash guard/remote calibration cup for GDX-150 and GDX-350 detectors. ..

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

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> GAS DETECTORS > CARBON MONOXIDE :    19 Items found.
EC-F2-CO-0200-N1 (1526) HONEYWELL  EC-F2-CO-0200-N1

Honeywell Analytics Manning EC-F2 gas detector with electrochemical sensor for Carbon Monoxide (CO) 0-200 ppm with Isolated 3-wire 4-20 mA output, 24VDC Power, NEMA-1 enclosure. *** phased out *** *** phased out ***



LC-1112-A-000-1 (2913) INTEC  LC-1112-A-000-1

Intec Controls PolyGard LC-1112 V3 Analog Gas Transmitter for Carbon Monoxide (CO) 0-150 / 0-200 / 0-250 / 0-300 ppm. 1 4-20mA & 2-10V analog output. Wall mounted. NEMA 4X Enclosure. UL Listed and CSA Certified.




Honeywell Zareba Sensepoint Gas Detector Transmitter for Carbon Monoxide (CO) 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: 0-200 ppm, 0-500 ppm)



SPC3-1112-200US (2907) INTEC  SPC3-1112-200US

Intec Controls PolyGard SPC3-1112 Sigle-Point Gas Detector for Carbon Monoxide (CO) 0-200 to 0-300 ppm adjustable, 2 relay outputs, 1 4-20mA & 2-10V analog output, 83 db horn. Wall mounted. NEMA 4X Enclosure. Accepts one additional analog remote device and a secondary gas, temperature or humidity sensor. UL Listed and CSA Certified.



2106B1405 (1453) HONEYWELL  2106B1405

Honeywell Sieger Sensepoint Gas Detector Transmitter for Carbon Monoxide (CO) (0-100 to 0-500) ppm with Surecell Toxic Sensor. 2 wire 4-20mA loop output. ATEX/IECEx Certified.



GDS-49-1-11-06 (159) GDS  GDS-49-1-11-06

GDS GDS-49 Remote Gas Detector Transmitter with Stainless steel sensor head configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 ppm, Explosion Proof (XP). 2-Wire 4-20 mA transmitter.




Honeywell XCD Sensepoint Gas Detector, Carbon Monoxide (CO) Electrochemical Sensor with Epoxy painted aluminium alloy LM25 housing, stainless steel sensor head, explosion-proof IP66, provides comprehensive monitoring of carbon monoxide (CO) gas hazards both indoors and outdoors. 3-wire 24 VDC power, include 2 programmable alarm relays, 1 programmable fault relay as well as an industry standard 4-20mA output (sink or source selectable); Modbus RTU option available. User-Selectable full scale range 100 to 1,000ppm UL/CSA Class I Division 1 or ATEX IECEx available.



961-440022-100 (2131) DETCON  961-440022-100

Detcon DM-100-CO Electrochemical Carbon Monoxide (CO) 0-100ppm SensorAssembly 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 Sensepoint XCD RTD Gas Detector for Carbon Monoxide (CO) 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 200 ppm. UL/cCSAus Approved for Class I Div 2.



TM-EC-48-11-06-0 (3386) GDS  TM-EC-48-11-06-0

GDS TRANSMAX EC Loop-Powered Gas Monitor with stainless steel sensor head (optional DELRIN) and integrated sensor configured for Carbon Monoxide (CO) for range 0-100 to 0-9999 ppm. 2-wire 4-20mA current sink output and large LCD Display. Polycarbonate housing (IP66/IP67).



967-444491-500 (5123) DETCON  967-444491-500

Detcon DM-700-CO Electrochemical "Smart" Carbon Monoxide (CO) 0-100ppm 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.



TMII-48-11-06/00-00-00/0-0 (148) GDS  TMII-48-11-06/00-00-00/0-0

GDS TRANSMAX II Gas Detector with Local DELDRIN sensor head with integrated sensor configured for Carbon Monoxide (CO) for range 0-100 to 0-9999 ppm with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU, 4-20mA output transmitter.




Honeywell Series 3000 MkII Gas Detector Transmitter, with aluminum alloy LM25 housing for monitoring of CARBON MONOXIDE (CO) gas hazards in potentially explosive atmospheres, both in and out of doors using electrochemical sensing technology. Operates on an industry standard 2-wire 4-20mA loop, 0-300ppm (100 to 999ppm, 100ppm)



GM/EC-01-11-06 (117) GDS  GM/EC-01-11-06

GDS GASMAX/EC 2-Wire Gas Detector with local stainless steel sensor head explosion proof (XP) configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 PPM, 4-20 mA output transmitter.




Honeywell XNX Universal Gas Detector Transmitter for monitoring of Carbon Monoxide (CO) 0-300ppm (100 to 999ppm, 100ppm) compatible with all Honeywell gas sensing technologies with aluminum alloy LM25 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


$1,416.20        Part # XNXUTAENNNNN-XNXXSC1SS

GMII-01-011-06/00-000-00/0-0 (135) GDS  GMII-01-011-06/00-000-00/0-0

GDS GASMAX II 3-Wire Gas Detector with local stainless steel sensor head configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 ppm, 4-20 mA output transmitter with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU.



5100-04-IT-A1-01-0-0 (3072) SIERRA MONITOR  5100-04-IT-A1-01-0-0

Sierra Monitor 5200-04-IT Toxic Gas Leak Detector for Carbon Monoxide (CO) 0-500ppm Electrochemical Sensor. ModBus RTU-485, 4-20mA output, HART interface and optional alarm relays, Explosion proof NEMA-4X Aluminium Enclosure. IP66. IP65. FM, SIL-2 and ATEX approved. Class I, Div. 1, Groups B, C, D.



100-0008-A1/100-0015-CO (4751) ESP SAFETY  100-0008-A1/100-0015-CO

ESP Safety Vector 2-channel gas detector controller with smart Plug-In Sensor to Detect Carbon Monoxide (CO) 0-100, 0-500 or 0-1000ppm. Operates as a stand-alone display for a variety of ESP sensors which can be remotely located up to 500 feet away over 4-wire RS-485. Sensor head can also be attached. Includes analog 4-20 current loop with HART, Digital RS-485 Modbus RTU and 4 relays. 96-Character OLED Screen. Explosion-proof housing. IP67. SIL certification.



C2-20-011-06/00-000-00/0-0-0-0-0/0-0 (365) GDS  C2-20-011-06/00-000-00/0-0-0-0-0/0-0

GDS C2 2-Channel Gas Detector Integral Alarm Controller with local sensor head with integrated Carbon Monixide (CO) sensor with range 0-100 to 0-9999 ppm with standard 2x 5A SPDT relays, with optional visual-audible alarm, in standard CSA approved, Class I, Division 2 - NEMA 4X non-metallic enclosure 120 VAC, ready to use. With second channel available for optional sensor for EC/Toxic, catalytic, IR or PID sensors.Pushbutton Zero and Span calibration for direct sensors.



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