Methane sensor ZMF-201e-IR

methane sensor

Robust methane sensor for industrial applications with extended temperature range and extensive certifications

Product description

The ZMF-201e-IR is a methane sensor for measuring the methane concentration in rough environments. The device comes with a robust stainless steel housing and can be used for applications from -40°C to +60°C. The precise, high-quality methane detector is certified according to SIL2 and can be used flexibly with its wide measuring range from 0 to 100 vol%. An ATEX certification is also available upon request. For the evaluation of the sensor signals, the sensor has a 4 to 20 mA signal output.

SIL2 and ATEX certification

Product advantages

  • Excellent long-term stability
  • Robust and high-quality stainless steel housing
  • Maintenance-free, due to NDIR technology
  • 4...20 mA signal output
  • Extended operating temperature range (-40°C...+60°C)
  • SIL2 certification
  • ATEX certification (upon request)
  • Attractive price-performance ratio

ATEX certification only available upon request.

Product features

Product features


Measuring ranges

  • 0…4.4 % vol (100 % LEL)
  • 0…5 % vol
  • 0…100 % vol

Measuring accuracy

  • ±1 % of FS range for measurements below 25 % of range
  • ±2 % of FS range for measurements below 50 % of range
  • ±5 % of FS range for measurements above 50 % of range

The device complies with the following standards:

  • EN 50402:2017
  • EN 61508:2010 part 1 to 7
  • EN 50270 (EMV)

The device is certified as follows:

  • SIL2
  • ATEX (upon request)

Technical specifications

Technical specifications

  • Operating temperature: -40 °C…+60 °C
  • Storage temperature: -40 °C…+85 °C
  • Operating range humidity: 0...95 % non-condensing
  • Measuring principle: NDIR (dual beam technology)
  • ATEX certification upon request
  • SIL2 certification
  • Signal output: 4...20 mA
  • Power supply: 12…24 V DC
  • Stainless steel housing
  • Standard cable length: 1.5 m (others upon request)

Please specify the cable length requested when ordering.


Fields of application

  • Machine and plant monitoring
  • Refrigeration technology
  • Personal protection
  • Biogas plants
  • Leakage detection
  • Wastewater treatment plants


Scope of delivery

  • Methane sensor ZMF-201e-IR
  • Mounting and operating instructions

Prices and availability

For an individual offer for our methane sensor ZMF-201e-IR, please contact us by phone at
+49 (0) 3681 86-7300 , by email under This email address is being protected from spambots. You need JavaScript enabled to view it. or by using our contact form.
Our experienced sales team is looking forward to your enquiry!

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More details

Quotation, price information and ordering

Many of our products can be adapted to their fields of application and use individually. Besides the individual factory-set parameters, such as the different measuring ranges, the surrounding media and electrical connections and accessories are also important aspects for the offer.
Therefore, let us advise you professionally and without any obligation!
Our experienced sales staff will be pleased to prepare a suitable offer for you quickly.

Your contact options

Business times:
Monday - Friday 8:00 - 17:00 (CET)


Phone: +49-6251-8462-0

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