Blackbody Spectral Radiance Calculator

Instructions

Enter blackbody temperature
Set waveband range
Adjust emissivity slider

Curve shows spectral radiance distribution.

Blackbody Theory

Read our white paper on Blackbody Theory to learn more about thermal measurement. Read More.

MRDT-50 Differential Blackbody

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OEM Blackbody

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Blackbody Spectral Radiance Calculator

Inputs

Temperature:

K °C

Single Wavelength:

Short Waveband Limit:

Long Waveband Limit:

Warning: Short waveband must be less than long waveband.

Wavelength (μm) Wavenumber (cm⁻¹)

Emissivity:

0.00 Polished Aluminum (0.05) Polished Nickel (0.18) Galvanized Steel (0.25) Brushed Aluminum (0.32) Unpolished Aluminum (0.40) Cement (0.54) Oxidized Aluminum (0.60) Fibreglass (0.75) Oxidized Steel (0.80) Wood (0.90) Brick (0.93) Concrete (0.95) Human Skin (0.98) Blackbody (1.0)

Results

Select Units: Watts Photons/s

Min X-axis:

Max X-axis:

Instructions

Blackbody Theory

MRDT-50 Differential Blackbody

BB-100 Single Point Blackbody

OEM Blackbody

Inputs

Results

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