TUS- /SAT-Analysis and calibration services for heat treatment

Temperature Unifomity Surveys (TUS) and System Accuracy Tests (SAT) provided by AVION are constructed using newest technology and standard traceable test instrumentation and thermocouple wire.

Tests are performed in accordance with various national an international standards like CQI-9, AMS2750E or others and based on customers specifications.

For tests Avion provides:

  • experience
  • knowledge
  • work instruction
  • test equipment
  • thermocouples
  • detailed report after tests
  • post-service instruction an advices


By using state of the art digital in-furnace and external data acquisition equipment our temperature uniformity surveys provide highly accurate test results.

All data are digitally processed in reports with special software. 

All survey data are secured against unauthorized changes!

Easy to edit survey reports with all information necessary (and more) for Quality Managers and Auditors.

Why to make TUS and SAT tests?

  • ensure repeatability of production
  • meets customer requirements
  • verification of temperature constancy
  • reduce the amount of complaints
  • detection of hot an cold spot
  • TUS analysis as preventive maintenance 


Full range of temperature sensors for TUS measurements with calibration certificates in custom requested points. Calibration according to DIN 55350-18-4.2.2.

In accordance with CQI-9 and AMS2750-E requirements.