EOI provides a large selection of high temperature cavity blackbodies. The PS series of freezing point blackbodies bring a practical definition of the ITS-90 temperature scale to the radiometric laboratory. The SS series of very high performance blackbodies provide calibration and research laboratories with convenient transfer standards. The popular LS series are general purpose blackbodies with well characterized performance. The CS series provides a high performance blackbody without breaking your capital equipment budget.

EOI has built thousands of specialized blackbodies from vacuum chamber sources to airborne calibration sources. If the standard products listed here do not fit your needs, please contact EOI with your requirements.

Blackbody Series	Temperature Range	Cavity Diameter Range
Miniature	Cryo to 1000 °C	0.04 to .125
ES	50-1000 °C	1.0"
CS	50-1050 °C 50-1250 °C 50-1350 °C	0.125" to 2.0"
LS	50-1050 °C 50-1250 °C 50-1350 °C	0.125" to 2.0"
LS2000	1000-2000 °C	0.50" to 1.0"
LS3000	1000-3000 °C	0.50" to 1.0"
SS	50-1050 °C 50-1250 °C 50-1350 °C	0.25" to 1.0"
MPSS	Freeze Point Standards	0.25"
Specials	Vacuum Qualified