erfi designs, develops and builds complex large-scale test and examination systems according to customer-specific requirements. In particular, all electrical safety and functional tests as well as adaptations are professionally designed and implemented in a test-specific way. The basis for this product line is a broad product portfolio based on the safety testers of the CANclass Compact Tester series as well as a wide range of standardized measuring devices and power supplies, all of which are integrated into the CANDY Power test software.

As a preferred supplier of large and well-known companies such as Siemens AG and Daimler AG, we can look back on decades of experience in testing technology.

Here are just a few examples:
- Test systems for renowned temperature cabinet manufacturers
- Large-scale test system for large kitchen appliance manufacturers
- Test system for commercial kitchen appliances
- S7-PLC models
- Test system for coffee machine manufacturers
- Mobile testing system for busbars
- Performance test for 1-phase 3-phase blood centrifuges
- Test system for video and auxiliary system
- Test system with built-in AC power supply
- Complex testing system for power supply manufacturers in Slovakia
- Piece testing system for 1-phase blood centrifuges
- Transformer testing system with rotary indexing table
- Type testing system for ceramic hobs
- Fully automated test system for lye pump
- Fully automatic testing system for busbars