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NWSPEC

FTIR Long-Path Optical Gas Cell

FTIR Long-Path Optical Gas Cell

White Cell Gas Absorption Cell

Multi-pass Herriott cell for FTIR and IR spectroscopy gas analysis

0.8–14
µm IR Range
2.8–6.0
m Path Length
40℃
Constant Temp
<0.2
MPa Pressure

Select Optical Path Length

2.8
meters
3.6
meters
4.4
meters
5.2
meters
6.0
meters

Key Features

  • Broadband IR transmission: 0.8–14 µm with gold-plated mirrors and protective film
  • Multiple optical path options: 2.8m to 6.0m for varying sensitivity requirements
  • Space light optical coupling for FTIR and IR spectrometer integration
  • Temperature-controlled operation at 40°C with 30-minute warm-up
  • Low-pressure operation: <0.2 MPa for safe gas handling
  • Corrosion-resistant aluminum alloy cavity construction
  • Compact design: 252.5 × 88 × 52 mm, 430ml internal volume
  • Standard Ø6mm air inlet/outlet connections

Applications

Long-path gas absorption spectroscopy for trace gas detection, environmental monitoring, and industrial process analysis using FTIR and infrared spectrometers.

FTIR Spectroscopy Gas Analysis Environmental Monitoring Process Control

Technical Specifications

0.8–14 µm
Gold-plated mirrors
Wavelength Range
2.8–6.0 m
5 options
Optical Path Length
Space Light
Coupling
Optical Interface
252.5×88×52
mm
External Dimensions
<0.2
MPa
Max Pressure
30 min
Warm-up
Stabilization Time
40℃
Constant
Operating Temperature
430
ml
Internal Volume
Ø6
mm
Inlet/Outlet Port

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Contact our sales team for pricing and lead time information

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Since 1993 30+ Years of Instrument Expertise
Reliable Manufacturer Manufacturing & Services
Ph.D. Founded Dr. Pingxin Wang, UT Austin
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Frequently Asked Questions

How can I contact you?

Feel free to call us T+86 189-6516-4839
or email  sales@nwspec.com to:

• Place an order
• Ask for a quote
• Or if you have any other questions

You will always get a live person here at NWSPEC; never an automated system! 

We are open from 6:00AM - 7:00PM Eastern Time, Monday - Friday. 

Where can I find application notes?

If you have any questions regarding the application notes, or can't find the one you are looking for, please contact Sales at sales@nwspec.com



Do you have instructional manuals for your instruments to download?

Yes, we have instructional manuals for our instruments. They can be found on https://nwspec.com/pages/resource .

If you don't see the one you are looking for, please contact: sales@nwspec.com



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