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Extended Area Low Temperature Blackbodies

A blackbody source designed for applications where temperatures below 0°C must be generated.

Supplier: Santa Barbara Infrared (SBIR)

Technology type: IR Blackbodies and Test Systems

This blackbody system can achieve temperatures as low as -40°C in an uncontrolled lab environment. A recirculating refrigerated bath cools the blackbody to control the blackbody surface precisely at the desired setpoint.

The EXLT series is made of: a blackbody, refrigerated bath, temperature controller, cables, and hoses. The operation of the system is straightforward, and maintenance is minimal.

The iProbe from SBIR is a temperature sensor calibrated independently of the blackbody system. To re-calibrate the system you need only exchange the probe with a recently calibrated one.

The optional ultra-black surface coating – VANTABlack®-S can be applied to the source plate providing high-performance emissivity on a flat plate blackbody system.

Range features

A high level overview of what this range offers

  • Intelli-Probe (iProbe)
  • High accuracy
  • Uniformity
  • Emissivity (vanta black option)
  • Milli-Kelvin temperature stability
  • LabVIEW driver support
  • Automatic radiometric compensation

What's in this range?

All the variants in the range and a comparison of what they offer


Emitting surface size

-40ºC to +100 absolute

-40ºC to +175 absolute


4” x 4’’




8’’ x 8’’



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