Temperature Measurement Products

Mikron M345X6-LC

Liquid-Cooled, Low Temperature Blackbody Calibration Source with Large Surface Area, -40 to 100°C

Advanced Energy’s Mikron Mikron M345X6-LC blackbody calibration source is a liquid-cooled, two-piece system comprised of a controller module and a separate enclosure with an aperture size of 152 x 152 mm (6 x 6 in) and a temperature range of -40 to 100°C.

  • High effective emissivity
  • High accuracy and high resolution (0.01°C)
  • Excellent stability, 0.02°C per 8 hours in still air environment
  • Warm-up time of 15 minutes (-40°C)
  • Overview
  • Technical Specs
  • Documents
  • Service & Support
  • Distributors


The Mikron® M345X6-LC blackbody source is liquid-cooled and heated by precision thermoelectric modules (Peltier method). It is available in absolute or differential configurations.

M345X6-LC calibration sources satisfy the exacting parameters of infrared focal plane array detectors, thermal imaging, and forward-looking infrared (FLIR) systems testing in static and moving scene applications. They combine fast slew rates, high emissivity, and unchallenged stability and uniformity.


  • Calibrate and verify the output signals of pyrometers, thermal imagers, etc.
  • Obtain lower temperature calibrations using liquid cooling
  • Utilize large aperture sizes
  • Control emitter source temperature with a precision digital PID controller
  • Satisfy the exacting parameters of infrared focal plane array detectors, thermal imaging and forward looking infrared (FLIR) systems testing


  • High emissivity with thermometric calibration
  • Uniform temperature distribution with precision heating elements
  • Manufactured and tested to meet rigid quality control standards
  • Furnished with a certificate of calibration traceable to NIST
  • RS232 serial communication
  • Measurement Specifications

    Temperature Range

    -40 to 100°C (-40 to 212°F)

    Temperature Uncertainty

    ±0.05°C (thermometric calibration)

    Temperature Resolution



    0.02°C per 8-hour period with no external air breezes

    Source Non-Uniformity

    ±0.2°C (excluding 10% border area) up to 50°C

    Heated Emitter Shape

    Thermally uniform plate

    Exit Port Diameter

    152 x 152 mm (6 x 6 in)


    0.9756 ±0.0039 at 8 to 15 μm
    0.9713 ±0.0049 at 3 to 5 μm

    Calibration Method


    Temperature Sensor

    Precision platinum RTD 1/3 DIN

    Warm-Up Time

    15 minutes (-40°C)

    Slew Rate to 1°C Stability

    15 minutes max to -40°C with chiller set at 0°C

    Slew Rate to 0.1°C Stability

    15 minutes max for entire range travel 

  • Communication / Interface

    Remote Set Point

    Via RS232 (optional RS485)

    Method of Control

    Digital PID controller

  • Environmental Specifications

    Operating Ambient Temperature

    20 to 30°C 

    H x W x D

    Controller module: 178 x 483 x 593 mm (7 x 19 x 23 in)

    CE Certified


  • Electrical

    Power Requirements

    115 VAC ±10% 60 Hz
    230 VAC ±10% 50 Hz, 1200 VA maximum for blackbody only (optional)
    Power requirements must be specified at the time of order

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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