Corps noir M345X6-LC

Liquid cooled version of M345X for very low temperatures. -40 to 100 °C (-40 to 212 °F)

Corps noir M345X-LC

Key Features

  • High emissivity and uniformity
  • Excellent extremely low temperature calibration 
  • Large aperture sizes 
  • High accuracy, high resolution 
  • Manufactured and tested to meet rigid quality control standards 


Designed to 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, LumaSense’s M345X6-LC Series blackbody calibration sources combine fast slew rates, high emissivity, and unchallenged stability and uniformity. As part of an extensive range of general purpose and primary standards for testing and calibrating a wide variety of IR devices, the M345X6-LC Series embodies the accumulated expertise of almost 30 years of specialization in this discipline.

The M345X6-LC Series Blackbody Sources are liquid cooled and heated by precision thermoelectric modules (Peltier method) and are available in absolute or differential configurations. The two piece system is comprised of 19 inch rack mount controller and a separate emitter source enclosure.

The source is available in emitter size of 6x6 inch (152 x 152 mm) and in a standard temperature range of -40 °C to 100 °C (-40 to 212 °F).

Typical Calibration Applications

  • Infrared Temperature Sensors
  • Infrared Thermal Imaging Systems
  • Spectrographic Analyzers
  • Radiometers
  • Flux Meters 



Temperature Range: -40 to 100 °C (-40 to 212 °F)
Temperature Uncertainty: 100 mK
Temperature Uncertainty 
(Thermometric calibration):
±0.05 °C
Display Accuracy vs. NIST Calibration: ±0.05 °C at calibration points
Temperature Resolution: 0.01 °C
Short term stability: 0.02 °C per 8 hours 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 Aperture: 152 x 152 mm (6” x 6”)
(thermometric calibration):
@ 8-15 μm: 0.9756 +/-0.0039
@ 3-5 μm: 0.9713 +/-0.0049
Standard Calibration Method: Thermo
Slew Rate to 1 °C Stability: 15 minutes maximum to -40 °C with chiller set at 0 °C
Slew Rate to 0.1 °C Stability: 15 minutes maximum for entire range travel 
Temperature Sensor: Precision platinum RTD 1/3 DIN
Method of Control: Digital PID controller
Power Requirements: 115 VAC ±10% 60Hz
OPTIONAL: 230 VAC ±10% 50Hz, 1200VA maximum for blackbody only
Warm-up Time: 15 min (-40 °C)
Operating Ambient Temperature: 20 °C to 30 °C 
Dimensions (H x W x D): Controller module: 178 mm x 483 mm x 593 mm (7” x 19” x 23”)

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