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Manufacturer SKU

ISO Class

N2 Content

Dew Point


H2 Flowrate

Terra Part # Price Ships in
240 V HG PRO 4000 6920.15.400 ISO 8 < 3 ppm -75°C 12 bar (174 psi) 4000 cc/min 7200-43 81684 Request Quote 15-20 Days 2
240 V HG PRO 4000 LN 6920.15.400.1 ISO 8 < 1ppm -80 °C 12 bar (174 psi) 4000 cc/min 7200-44 81685 Request Quote 15-20 Days 3
Manufacturer SKU
ISO Class
N2 Content
Dew Point
H2 Flowrate
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Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
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Product Details
Designed in the USA
Product Details
  • Available ISO Ratings: ISO 8
  • Easy-to-use HG Pro 4000 PEM Hydrogen Generators with a 20-liter internal tank capacity ideal for all GC-FID detectors
  • Long-life multilayer electrolytic cell with polymeric membrane (PEM) eliminates the need for acid or alkaline solutions
  • Maintenance-free two-column PSA drying system with automatic regeneration ensures maximum grade of hydrogen purity
  • •  High flowrate up to 4000 cc/min and high pressure 12 bar (174 psi); optional 16 bar (232 psi)
  • High pressure GLS electronically controlled (patented)
  • Applications: Carrier gas for GC and GS-MS, GC-FID / GC-NPD / GC-FPD, THA, gas sensing, fuel cell, ICP-MS collision gas
  • Features and specifications for HG Pro 4000 models
  • Intuitive touchscreen LCD interface manages all function
  • Auto refill
  • High purity: 99.99999% (ADP dew-point: -75°C for HG Pro 4000,  -80 °C for HG Pro 4000 LN
  • Electrolytic cell: PEM technology
  • Drying system: PSA (Pressure Swing Adsorption); TSA (Thermal Swing Adsorption)
  • H2 flow-rate cc/min (Max): 4000 cc/min
  • N2 content: < 3 ppm (HG Pro 4000);  < 1ppm (HG Pro 4000) LN)
  • Communication: RS-232 / USB / RS-485, Digital I/O, optional LAN
  • Self-monitoring and safety routine
  • Software functions: on-board parallel mode, automatic tank refill, fill hydride canister function
  • Water quality: Deionized, ASTM II, <0.1uS
  • Supply pressure (max): 0 bar (0 psi), 0.5 bar (7.25 psi)
  • Flow rate (max): 0.25 l/h
  • Internal tank capacity: 20 L
  • Connection: IEC 320-C14
  • Fuse rating: 6.3A (250 Vac – T)
  • Hydrogen outlet: 1/8" compression fitting
  • Water: Quick release push-in fitting
  • Operating/storage conditions:
  • Working Temperature: 5-40°C (41-104°F)*2
  • Storage Temperature: 1-50°C (34-122°F)
  • Humidity (max, non-condensing): 70%
  • Noise: < 50dB(A)
  • IP rating: IP20
  • Pollution degree rating: 2 (with no aromatic compounds)
  • Altitude: < 2000m
  • Option and Consumable:
  • 16 bar (232 psi)
  • LAN
  • Deionizer water filter for HG PRO 4000 (6930.00.112)
  • Speak to a Terra Product Specialist for details

ISO Class: ISO 8

Available ISO Ratings: ISO 8

Unit of Measure: EA

Nitrogen and Hydrogen Generators

  • Compare PEM Hydrogen Generators by LNI Swissgas Compare PEM Hydrogen Generators by LNI Swissgas
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Features and Benefits

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