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AirHead™ Gas-phase Raman Probe


The AirHead™ gas-phase Raman probe is optimized for gas-phase / head-space monitoring in chemical processes.  The AirHead™ probe’s sampling versatility and materials compatibility allow the AirHead™ to address common gas / vapour phase process application challenges such as corrosivity, wetness of the sample environment, and low sensitivity of analyzer technology, while providing reliable quantitative gas-phase measurements in a process environment based on Raman spectral analysis.

The AirHead™ probe can be directly inserted into processes with temperatures up to 150 degrees Celsius and 1,000 PSI, and mounted using either standard NPT fittings or compression fittings.  Alternatively, the AirHead™ probe can be mounted into a gas slip-stream using a Kaiser-supplied sampling cell or via a NeSSI interface.

The design of the AirHead™ probe is compatible with installations in classified environments (ATEX Directive and North American hazard area codes).

Probe Head Features:

  • In situ Measurement / No Transfer Lines Required
  • Compatibility with all Kaiser 532nm Raman Analyzers
  • Compact Profile
  • Industry Standard Installation Options
AirHead™ Gas-phase Raman Probe
Laser Wavelength: 532nm, 785nm
Spectral Coverage: 175-4325 cm–1 (532nm),
150-3425 cm-1 (785nm)
Laser Power:
Maximum Laser Power into Probe Head: 500 mW
Sample Interface:
(probe head):
-40 to + 150°C
(fiber cable):
-40 to + 80°C
< 6°C / min
(at tip):
1000 PSI
Fiber Optic Cable:
Design: PVC Jacketed, Proprietary Construction
Connections: FC at Analyzer
Length: 5M (16 ft) Standard, Custom Lengths Contact Kaiser
Temperature: -40°C (Min) / 80°C (Max)
Min. Bend Radius: 12.7 cm (5")
Gas Stream:
Filtration: 1 Micron or Better (multistage filtration recommended)
ATEX: Ex II 2/1 G Ex ia op is IIA or IIB or IIB+H2
North American
Hazard Area:
Ex ia IIB+H2 T4
Class I Zone 0 AEx ia IIB+H2 T4
Class I Division 1 Groups B, C and D T4

Product Material
AirHead™ Gas-phase Raman Probe
Product Flyer

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AirHead™ Gas-Phase Raman Probe
Raman Technical Note

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