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GDS-68SXP Natural Gas Odorant Monitor

Brand: GDS Corporation
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CSA CSA

The GDS-68XP Odorant Monitor directly measures mercaptan and tetrahydrothiophene-based odorants in a stream of natural gas. By alternatively applying sample gas and clean purge air to the sensor, the GDS-68SXP delivers extended sensor life and significantly reduces the amount of sample gas released to the atmosphere.
Samples can be taken manually or programmed to occur on intervals from 15 minutes to 24 hours. Low operating power, built-in automatic calibration, extensive self-test features and optional satellite communications make the GDS-68SXP Odorant Monitor ideal for remote odorant monitoring or injection facilities where power and communications options are limited. A built-in wireless interface allows users to log in using a smart phone to check settings and download data and status information.
The GDS-68SXP offers an attractive and economical alternative to expensive analyzers where multi-point or system-wide real-time odorant monitoiring is required.

Features
  • Designed for Class 1 Hazardous Locations
  • Sensors for Mercaptan,THT & Common Blends
  • Manual or Automatic Calibration
  • Large Color LCD displays Reading and Status
  • GDS Connect Wireless Connectivity
  • Extensive self-checking features
  • Operates on Solar Power
  • Analog and MODBUS outputs
  • Option for Satellite Communications
  • Measures in ppm, lbs/mmcf adn mg/m3
  • Security Settings Reduce Risk of Tampering
  • Two-year Warranty
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The GDS-68XP Odorant Monitor directly measures mercaptan and tetrahydrothiophene-based odorants in a stream of natural gas. By alternatively applying sample gas and clean purge air to the sensor, the GDS-68SXP delivers extended sensor life and significantly reduces the amount of sample gas released to the atmosphere.
Samples can be taken manually or programmed to occur on intervals from 15 minutes to 24 hours. Low operating power, built-in automatic calibration, extensive self-test features and optional satellite communications make the GDS-68SXP Odorant Monitor ideal for remote odorant monitoring or injection facilities where power and communications options are limited. A built-in wireless interface allows users to log in using a smart phone to check settings and download data and status information.
The GDS-68SXP offers an attractive and economical alternative to expensive analyzers where multi-point or system-wide real-time odorant monitoiring is required.

Features
  • Designed for Class 1 Hazardous Locations
  • Sensors for Mercaptan,THT & Common Blends
  • Manual or Automatic Calibration
  • Large Color LCD displays Reading and Status
  • GDS Connect Wireless Connectivity
  • Extensive self-checking features
  • Operates on Solar Power
  • Analog and MODBUS outputs
  • Option for Satellite Communications
  • Measures in ppm, lbs/mmcf adn mg/m3
  • Security Settings Reduce Risk of Tampering
  • Two-year Warranty
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Specifications

Brand

Certifications & Approvals

CSA CSA

Power Input

  • 24VDC +/- 5% at < 10 watts.
  • Optional heater requires 110 VAC at 200 watts max
  • External wiring junction box for easy connection

Primary Display

  • Backlit high resolution color LCD display shows latest reading, calibration and sample history and more

Sample Rate

  • Up to 24 samples per day on one-hour intervals

Repeatability

  • 5% of range

Analog Output

  • Standard 3-wire 4-20mA current source.
  • Max loop R is 750 ohms with nominal 24VDC power supply.

Digital Output

  • RS-485 serial 2-wire MODBUS slave interface with userprogrammable security levels that allow for read / write or read-only modes

Wireless Output

  • Integrated wireless interface communicates with GDS Connect App on iOS devices
  • . User programmable security levels allow for full enable / disable and wireless read / write or read-only modes

System Calibration

  • User-initiated (“Manual”) system calibration from calibration gas port or gas sample stream
  • Programmable (“Automatic”) repeating system calibration on user-selected intervals from one day to six months

Gas Sensor

  • GASMAX CX with highly sensitive electrochemical sensors for Mercaptans, THT or gas odorant mixtures
  • Includes sensor monitoring and temperature compensation for accurate measurements indoors or outdoors

Gas Sensor Calibration

  • Prompted manual calibration for GASMAX CX gas sensor.
  • “Calibration Required” notice automatically generated.

Sample Conditioning

  • Max inlet pressure 1500 psig.
  • High pressure stainless steel inlet filter with stainless steel regulator.
  • Filter element PVDF fluorcarbon for removal of liquid aerosols, 99.99% removal of 0.1 micron particles.

Sample Temp

  • +5°C (+41°F) to +50°C (+122°F)

Operating Temp

  • 0°C (32°F) to +50°C (+122°F)

Construction

  • XP enclosure: Cast aluminum
  • GASMAX CX: Aluminum housing with epoxy paint standard
  • Exterior stainless steel tubing and fittings
  • Backplate epoxy painted steel

Dimensions (NEMA 4X)

  • 24” x 24” x 8” Non-metallic (20 Kg / 45 pounds)
  • 24” x 24” x 8” Stainless Steel Enclosure

Inlet / Outlet

  • 1/4” compression, stainless steel

Approvals

  • GASMAX CX, enclosures and flame arrestors CSA Certified for Class I, Div 1, Grps B, C, D
  • Suitable for XP installations

System Security

  • Low setting - all user interaction allowed
  • Medium setting - operation from menu, no remote control
  • High setting - No access to menu without security code

Warranty

  • Electronics - 2 years from date of purchase
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