The CL-AC-ATS3129 is an optional blackbody source insert for our model ThermCal400 Dry Block Temperature Calibrator(purchased separately. In addition to checking standard surface contact temperature sensors like RTD’s, thermocouples, thermal switches, and indicators with the included insert, you can now purchase the Blackbody Source insert to check Infrared Pyrometers and indicators. This option for the ThermCal400 makes it an economical choice for checking all of your temperature sensors.

There is no special calibration or change needed to use the Blackbody insert. Simply place it in the well using the insert extractor tool included with the unit. The accuracy using the Blackbody insert is as follows:

Up to 200°C = ±1.2
200 to 400°C = ±1.7

The Blackbody insert fits into the heater block just like the standard inserts using the insert extractor tool. The target source is 1.3” in diameter.

The CL-AC-ATS3129 blackbody source insert is used with with the ThermCal400 Dry Block Temperature Calibrator which is purchased separately.