Molecular Property Spectrometer

MPS Sensor S4 Intrinsically Safe
ART.NR MPS™ Flammable Gas Sensor

MPS Flammable Gas Sensor, for gas detection and quantification for worker safety and leak detection in drilling, transportation, and production of oil & gas and chemical products.

The smart sensor quickly detects and accurately quantifies over a dozen gases and gas mixtures using a standard factory calibration. It has built-in environmental compensation and automatic self-testing for fail-safe operation. It is intrinsically safe, robust, and extremely poison resistant. Sensor readings are output on a digital bus or configurable analog output – no added electronics are required. With a 5-year lifetime and no calibration required, the MPS Flammable Gas Sensor delivers industry-leading performance and a low cost of ownership.

Operating principle
The MPS Flammable Gas Sensor’s transducer is a micro-machined membrane with an embedded Joule heater and resistance thermometer. The MEMS transducer is mounted on a PCB and packaged inside a rugged enclosure open to ambient air. Presence of a flammable gas causes the thermodynamic properties of the air/gas mixture that are measured by the transducer. Sensor data are processed by patent-pending algorithms to report an accurate concentration and classify the flammable gas.

MPS Mini Flammable
The MPS Mini Flammable gas sensor is a low cost package specifically targeting IoT and high-volume applications. This enables to set new standards in connected gas sensors and helps companies create safer working environments in industrial, commercial and consumer applications.

Contact us at ACTE for more information!



  • Automatic multi-gas accuracy in real-time
  • Built-in environmental compensation
  • Extremely poison resistant
  • No calibration required
  • 5+ year lifetime
  • Low power - 29 mW average
  • Intrinsically safe (IS) certified
  • Built-in self-test for fail-safe operation


  • Resolution 0.1% LEL
  • Response time (T90) < 20 seconds
  • Calibration Factory calibrated

Environmental operating range:

  • Temperature − 40 to 75°C
  • Humidity 0 to 100 %RH
  • Pressure 80 to 120 kPa

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