Gas Generator

FID Tower Plus


Product Description

VICI DBS has been specializing in the design, development, and manufacture of products and accessories for analytical instruments since 1985.

Their innovative gas generators have been developed using microprocessor control and patented designs to create products that have become the leading exemplar of contemporary and reliable hydrogen, nitrogen and zero air generators amongst their kind.

VICI DBS hydrogen generators offer a safe, economical and convenient alternative to gas cylinders. Utilizing the latest polymer electrolyte membrane (PEM) technology, these units produce consistently high purity hydrogen.

Two different configurations for the FID Tower Plus are available – the high purity PG Plus and the ultra-high purity NM Plus – with flow ranges up to 1 L/min for H2 and 5L/min for zero air. The optional Zero Air generator provides zero air with HC content around 0.5ppm.
*Oil-free compressor not included

Deionized water is automatically loaded from smart internal system tanks with a 3 liter capacity, providing up to 3000 liters of H2 before a refill is required. The only recommended maintenance is the replacement of the internal deionizing cartridge, which is an easy, simplified process. The deionizer bag can be changed without tools or even turning off the instrument.

Improved safety with the FID Tower Plus

The very limited internal volume of the FID Tower Plus (less than 50 ml) allows for the safe use of the unit where the use of cylinders is risky or prohibited. The application of featured and tested safety technologies automatically halts operation of the unit in the event of a leak or malfunction. An optional hydrogen sensor is available for monitoring the oven-LEL of the GC. The VICI DBS Plus series also includes additional security features like a shock sensor to prompt shutdown in the event of an earthquake.

Main Features and Benefits

  • Used for the production of pure hydrogen
  • Ideal for use in GC detectors such as:
    - FID
    - NPD
    - TCD
    - Reagent gas for ELCD/HALL
  • 99.9996% purity
  • Minimal footprint: place the FID Plus under your GC (between GC and bench)
  • Ability to cascade, or install several hydrogen generators in parallel provides:
    - Higher flow rates, up to 10 L/min
    - Automatic flow compensation in the event of unplanned downtime
    - Continuous operation for critical operations
  • LCD touchscreen display interface
  • Real-time outlet pressure and water quality diagnostics
  • Alarms
  • Low energy consumption
  • Improved safety:
    - A very limited internal volume of less than 50 ml at maximum pressure allows for the safe use of the gas generators where the use of cylinders is risky or prohibited
    - Tested safety technologies stop the unit in the event of leaks or malfunction
  • Improved savings:
    - Our hydrogen generators don’t require the expensive installation of gas pipelines, nor the need to repeatedly change bottles
    - The dual configuration H2 or H2+Air all available in a single instrument, saves you space and is more cost effective
  • Improved chromatographic results: Hydrogen as a carrier gas is faster and more sensitive than the more expensive helium, providing run time savings of 25% to 35% without a decline in resolution
  • Increased productivity: Round the clock continuous operation maximizes your lab productivity, eliminating dead time for gas bottle changeover and maintenance of the drying system
  • Easy to operate and maintain with automatic cold dryer regeneration, and no need for caustic solutions
  • Cascading (up to 32 units)


  • Flow: 100, 160, 250, 300, 500 or 600 ml/min
  • Zero Air: 1.8 L/min or 5 L/min
  • I/O board
  • Remote control software (RS232 or USB)
  • Auto refill
  • Cascading hardware (standard or high purity)
  • Please speak with a STEQ America team member for more information


  • H2 sensor:
    - Provides a real-time bar graph display of the concentration of hydrogen in the GC (gas chromatography) oven
    - If there is leakage to the threshold level, an audible alarm will sound and a flashing display will be seen
    - If the leak continues until the upper limit of hydrogen concentration is reached, the system will automatically stop the hydrogen generator
    - An optional feature is a valve which inactivates an inert gas purge of the GC oven when the upper limit of hydrogen is reached. When normal levels are restored, operations are restarted
  • Please speak with a STEQ America team member for more information

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