Q19 What is the temperature calibration system ACS II series?

Anritsu Meter’s temperature standards. Basically, Anritsu Meter refers to the results measured with the ACS II series as calibration results or tolerances.

Principle of the surface temperature calibrator:
When a large metal block (made of copper) is heated and its surface temperature is 100°C, a sensor is applied to measure the temperature. The surface temperature is “always Tin > Ts > Tout at each part in the case of the below-illustrated system if a heat flow is in the arrow-indicated direction.” Using this idea, Tin and Tout are actually measured and calculated to reflect on the overall accuracy of the ACS II series.

画像

Principle of the internal temperature calibrator:
A large metal block (made of copper) is heated, a reference internal temperature sensor and an internal temperature sensor to be calibrated are inserted into a hole in the block to perform comparative calibration.