Temperature Measurement Products

Mikron IRC 35 to IRC 150

Low Temperature Calibration Sources with Fixed Temperature Options from 35 to 150°C

Advanced Energy's Mikron IRC calibration sources are small and easy to use. They’re ideal for benches and multiple, fixed temperature calibration set points.

  • Minimum temperature deviation provides excellent temperature uniformity
  • Ten different types offer fixed temperature options from 35 to 150°C
  • High emissivity: 98%
  • Large aperture diameter: 50.8 mm (2 in)
  • Overview
  • Technical Specs
  • Documents
  • Service & Support
  • Distributors


The Mikron® IRC 35 to 150 calibration sources inspect pyrometer measurement accuracy at fixed temperature values. Precise control ensures constant and stable heating of the large emitter surface. High temperature uniformity with a maximum deviation of 0.2°C and high emissivity (98%) enable exact verification of pyrometers with larger spot sizes.

The robust stainless-steel design guarantees operation under rough industrial environments. Compact dimensions enable you to check hard-to-access pyrometers at the measuring location.


  • Operate in rough conditions
  • Easily check hard-to-access pyrometers thanks to compact dimensions
  • Enable high temperature uniformity with precise control


  • Short warm-up times
  • High temperature stability
  • Small dimensions
  • Stainless steel housing
  • Measurement Specifications

    Temperature Range

    Fixed temperature (depending on type):
    35°C, 45°C, 70°C, 75°C, 95°C, 100°C, 110°C, 120°C, 140°C or 150°C

    Temperature Uncertainty

    0.4°C for Tamb = 10 to 30°C (IRC 35)
    0.4°C for Tamb = 10 to 40°C (IRC 45 to 120)
    0.6°C for Tamb = 0 to 10°C (IRC 45 to 120)
    0.5°C for Tamb = 10 to 40°C (IRC 140 to 150)
    0.7°C for Tamb = 0 to 10°C (IRC 140 to 150)

    Temperature Resolution




    Source Non-Uniformity

    0.2°C (central area Ø 45 mm)

    Heated Emitter Shape

    Thermally uniform plate with pyramid texture

    Aperture Diameter

    50.8 mm (2 in)


    0.98 ±0.004 at 2 to 5.4 µm; 8 to 14 µm
    For emissivities of other wavelengths, temperature correction tables are available

    Standard Calibration Method


    Warm-Up Time

    Maximum 5 (IRC 35) up to 30 minutes (IRC 150)

    Status LED

    Green: warm-up
    Orange: ready for operation
    Red: overheating

  • Environmental Specifications

    Operating Ambient Temperature

    0 to 40°C (32 to 104°F) (IRC 35: 10 to 30°C), temporary (2 min) up to 70°C

    Storage Temperature

    0 to 70°C (32 to 158°F)

    Operating Humidity

    10 to 85%, non-condensing conditions

    H x W x D

    64.5 x 81.0 x 133.5 mm (~2.54 x 3.19 x 5.26 in)


    0.9 kg (~1.88 lb)

    Protection Class

    IP50 (EN 60529)

    CE Certified


  • Electrical

    Power Requirements

    24 VDC, maximum 1 A

Specifications are subject to change without notice. Not all options and accessories are available for all models and configurations. Dimensions listed generally refer to standard configurations and module bodies only. Please confirm technical specifications and customizations with a sales representative. Advanced Energy is not responsible for errors or omissions.

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Product Support

U.S.: +1 800 446 9167
Asia: +86 29 8874 1895
China: 400 8899 130
EMEA: +44 800 032 1546
U.K.: 08000 321 546

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