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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#(4384) Be the First to Review this Item

BACHARACH  5601-3011


$1,228.50     Availability: 4 Weeks
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BACHARACH 5601-3011
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Bacharach GDX-350 Gas Sensor Transmitter and Monitor with Smart Sensor calibrated for Carbon Monoxide (CO) 0-1000ppm. 2-wire and Wireless versions. Electrochemical sensor. Graphic LCD. 4-20 mA Output. Aluminum Enclosure. Optional Modbus RTU. CSA Approved.

Part# with Options:        5601-3011
Price with Options:        1,228.50


(1) Model for Bacharach GDX-350 Electrochemical Wireless

  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. ..

    5700-0400 Bacharach GDA-400 Four Channel Alarm Controller for up to four monitors with 4-20mA inputs. LCD Display for gas type, concentration, bar graphs and trends. Three adjustable alarm levels. Relay outputs. RS-485 and Ethernet ports available. NEMA 4X. IP 66. ..

    5700-1600 Bacharach GDA-1600 Sixteen Channel Alarm Controller for up to sixteen monitors with 4-20mA inputs. LCD Display for gas concentrations, sensor location, sensor type and trends. Three adjustable alarm levels. LED indicators. Relay outputs. Includes real-tim..

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GM/ECx-01-11-06-1-0900 (1809) GDS  GM/ECx-01-11-06-1-0900

GDS GASMAX/ECX Single Channel Wireless Gas Monitor with Local sensor head (XP, IS) configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 ppm. A1, A2 and Fault LEDs for rapid recognition of alarm. 900 MHz or 2.4 GHz Integrated Modems.



GMIIx-01-011-06/00-000-00/1-0900 (1832) GDS  GMIIx-01-011-06/00-000-00/1-0900

GDS GASMAX IIx Sigle Channel Wireless Gas Monitor with local sensor head configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 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.



GM/TX/01-11-06/00-00-00/1-0900 (3421) GDS  GM/TX/01-11-06/00-00-00/1-0900

GDS GASMAX TX Stand-Alone Wireless Gas Monitor with stainless steel sensor head and integrated sensor configured for Carbon Monoxide (CO) with range 0-100 to 0-9999 ppm. Battery-Powerded. 900 MHz or 2.4 GHz Integrated Modems. LCD Display and Aluminium Housing. FCC and IC approvals.



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