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Sampling Inlets for Hiden Mass Spectrometers

Hiden Gas Analysis systems are versatile. Inlet systems are user interchangeable, allowing for transformation of your mass spectrometer to suit new or multiple application requirements.

If you cannot find what you are looking for, do not hesitate to contact a member of the Hiden Analytical team for more information on our bespoke gas analysis products. You can also Download our Sampling Inlets brochure to view the full range of inlets available.


Standard Quartz Inert Capillary

  • Sample pressure range 2 bar to 100 mbar
  • Operates to 200°C
  • Capillary length: 1.8 m (standard)
  • Fast 300 ms sampling response
  • Sample consumption rates from 0.8 to 20 ml/min
  • Swagelok 1/16” or 1/8” connection
  • Corrosion resistant option available
  • Fast response 0.9 m capillary also available, with sample consumption rates from 1.6 to 20 ml/min
  • Flexible construction

Low Pressure Stainless Steel Capillary

  • Sample pressure range 250 to 25 mbar
  • Operates to 200°C
  • Capillary length: 0.9 m
  • All stainless steel assembly
  • Swagelok 1/16” or 1/8” connection
  • Interchangeable with regular capillary in standard QIC systems
  • Corrosion resistant option available

Ultra-Low Flow QIC Heated Capillary Inlet

  • For evolved gas studies. For OEMS, online electrochemical MS, where evolved gas flow is limited
  • Sample consumption rate of 250 μl/min
  • Operates to 200°C

HT/HP Gas Sampler

  • Sample pressure range 0.1 to 30 bar
  • Connects to standard QIC Inlet
  • Heated to 200°C

Micro-Flow Inlet

  • Sampling rate 12 μl/min. 24 μl/min option
  • Single or multi-capillary inlet option
  • 8 – 16 s response. Specially engineered to maintain a good response

Very Low Pressure Sampling Inlet

  • Sample pressure range 10 to 1 mbar
  • Heated to 120°C
  • Capillary length: 0.3 m
  • Swagelok 1/8” connection
  • Rigid construction

Tri-Valve Sampling Head

  • Sample pressure range <10-4 mbar to 1000 mbar
  • Flexible connection to process chamber
  • Automatic sample line switching

SGL – Heated Low Pressure Inlet with Isolation Valve

  • For sampling ALD processes with options from 1-5 mbar or 5-50 mbar
  • Heated to 200°C
  • Air actuated heated (200°C) isolation ‘ALD’ valve included, not shown

MSV Multi-Stream Selector

  • 4, 8 or 16-way available
  • Heating option (160°C)
  • Corrosion resistant option
  • Sample flow rate : 50 ml/min
  • Flow meter option


  • 20, 40, 80-way multi-port valve
  • Heated to 120°C
  • Standard flow > 100 ml/min
  • Low flow configuration – from 4 ml/min
  • High flow configuration – to 10 l/min
  • No crosstalk between streams

Twin Capillary Inlet

  • Typical application – measuring input and output of reaction vessel
  • Heated to 160°C
  • Fast switching valve between capillaries – less than one second
  • Two capillaries of either 0.9 m or 1.8 m

Hot-Zone Inlet

  • For sampling from furnaces; interface from furnace to QIC
  • Includes heated filter assembly
  • Allows direct sample analysis to 1700°C
  • General design to suit most furnaces

QIC HT250 Inlet

  • Sample pressure range 2 bar to 100 mbar
  • Heated to 250°C (HT250) / 450°C (HT450)
  • Sample consumption rates from 0.8 to 20 ml/min
  • Capillary length: 1.8 m
  • Swagelok 1/16” or 1/8” connection
  • Interchangeable with standard QIC Inlet
  • Corrosion resistant option available
  • Flexible and robust steel hose


  • A range of interfaces are available for TGA-MS evolved gas analysis
  • Specially designed to suit designated TGA instrument
  • Most manufacturers and models covered

QIC Glovebox

  • Heated to 200°C
  • Provides low dead volume interface with glovebox

QIC Heated Extension

  • Available as upgrade to standard QIC systems
  • Extends length by 2 m (standard extension) or 4 m, 6 m
    on request

Direct Membrane Inlet Probe

  • For immersion and/or insertion in liquid or sludge samples,
    soil core sampling for example


  • Cuvette style sample cell for biofuel research
  • Removable cover for light sensitive research

Denitrification Probe

  • Flow through probe, low flow design for denitrification studies
  • Allows for water vapour removal using liquid nitrogen cold trap

Enzyme Kinetics Probe

  • Probe sampler for the study of the chemical reactions that
    are catalysed by enzymes
  • All glass probe construction

DEMS Direct Inlet

  • Probe sampler for in situ measurement of electrochemical
  • Can be positioned at the electrodes of Redoxme™ cells
    and/or users’ own cells

Large Circular Membrane Cell

  • Flow through dissolved species probe inlet, with liquid flow
  • Larger surface area for fast and sensitive measurements
  • Integrated thermocouple for on-line sample temperature


  • A combined mass spectrometry inlet and electrochemical
    cell for real time differential mass resolved determination of
    gaseous or volatile electrochemical reactants, reaction
    intermediates and products while scanning electrochemical
  • Allows static or dynamic electrolyte flow
  • Thin layer and dual layer cells

Flow-through Dissolved Species Probe

  • For analysis of sample with continuous flow, extracted sea
    or estuary water for example

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