MIKRON Pyromètre

Compact Two-wire Infrared Thermometer for Non-Contact Temperature Measurement in many different applications. Temperature ranges between 0 and 2200 °C.

MIKRON Pyromètre M67S Front View
MIKRON Pyromètre M67S Back View

Key Features

  • Two-wire Pyrometers with analog output 4 … 20 mA for connection to standard analyzing instruments
  • Through-lens sighting and high quality variable focus optical system
  • Different optics for optimal match to the application
  • Versions with different spectral ranges
  • High accuracy of 0.5%
  • Rugged stainless steel design


Universal Application

Completely self-contained, the M67S Infraducer can be used as true two-wire temperature transducer/transmitters which produce a standard 4-20 mA linear output. Powered by its current loop, each Infraducer is completely compatible with any existing instrumentation for recording or process control.

A rugged, stainless steel housing, miniature size and light weight make the Infraducer suitable for many applications. To ensure minimum maintenance and utmost reliability, the Infraducers have absolutely no moving parts.

When contained within its companion cooling jacket and air purge assembly, each Infraducer can withstand the most punishing conditions found in industry. The Infraducers have universal application in virtually any type of industry.

Field Interchangeability

Superior design not only ensures accuracy and long term reliability, it also ensures interchangeability between Infraducers of the same model with ±0.50% accuracy.
For especially demanding applications, the Infraducers have a digital emissivity control which can be set with a resolution of 0.01. This ensures that, should one of the Infraducers need to be replaced, the replacement unit can be preset in every aspect before installation.

The M67S is available with a variety of temperature ranges, spectral responses, and optical characteristics to meet specific applications.

Typical Applications

  • Cement
  • Ceramics
  • Chemicals
  • Food
  • Glass
  • Heat treating
  • Metals
  • Paper
  • Plastics
  • Power
  • Printing
  • Petrochemicals
  • Robotics
  • Rubber
  • Semiconductors
  • Textiles
  • Vacuum systems, etc.

Technical Data


Measurement Specifications


+-0.1% of full scale span (FSS)

Emissivity ε:

Digital setting 0.10 to 0.99 with 0.01 step

Measurement Uncertainty: 

+- 0.50% of full scale or 1°C whichever is greater

Repeatability:  +- 0.2% of full scale span
Optical Specifications
Sighting:    Eyepiece: Diopter type
 Optics: Non-parralax refractive optics focusable from rear panel
Environmental Specifications
Protection Class: Nema 4 with Protective/Cooling Jacket
Operating Position: any 
Ambient Temperature: 0 to 60 °C without cooling
Storage Temperature: -30 to 80 °C
Relative Humidity: 90%, Non-condensing conditions
Weight: 0.90 kg
Housing:  Black anodized aluminum 
Dimensions: 50 mm diameter x 203 mm long
CE Label: According to EU directives about electromagnetic immunity


Four terminal screws: two for signal, one for GND, and one spare

Parameters (setting):

Emissivity from rear panel with digital push button switch


Analog Output:

4 to 20 mA linear standard

Response Time t95:

50 ms for spectral response 0.78-1.06 µm and 1.0-1.6 µm, for all others: 120 ms

Maximum/Minimum Value Storage: none
Power Supply: 24 V DC (18 to 40 V DC) nominal
Power Consumption: ~0.4w at 20mA
Load Resistance Max: 400 ohms for 24 V DC input voltage, 1200 ohms for 40 V DC input voltage
Hysteresis none 
Switch Contact: none 
Isolation: none 

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