Products > Quality > Quality Assurance

In addition to fully automatic function and running-in tests, each module is subjected to manual inspection.

Visual inspection

Cleanliness
Completeness
Components

Compilation
Soldering
Assembly

Function test

Computer-controlled and monitored
Fully automatic calibration

Test parameters

Overload up to +80%
Output overload up to +100%
Test duration 24 - 50 hours
Temperature cycles between 0 °C and 60 °C

Documentation

Serial number
Design type
Firmware version
Test parameters
Temperature
Air humidity

Measurement data
Tolerances
Fault documentation
Tolerance test choronology
Calibration data

All product, test, delivery, repair and service data is stored centrally in a data bank to enable immediate and complete tracing of the product history.

Production data

Type number, series number, type specification, data of manufacture, test status, version

Test data

Production test and run-in
Date, temperature cycles, duration, air humidity, test stages, test results, calibration data, firmware type, hardware type, measurement data, faults, tolerances, voltage overload/underload limits

Delivery data

Customer number, delivery data

Repair data

Customer number, fault description, fault, update

Service data

Customer number, receiving data, service response

These documentation features enable all modules that were manufactured since 1983 to be identified and the production, test, sales and service data to be instantly reproduced.