- The safety tester TGK-DSM is a test device for checking the protective measures according to DIN VDE 0701-0702 (DGUV regulation 3) of portable electrical equipment. 
- Simple control via 3 buttons with manual or automatic test sequences
- additional interface for transmitting the measured values or connecting a printer.
- Can be used worldwide through country-specific test sockets (D, EN, CH, F)
- measurements:
   +  PE resistance
   +  insulation resistance
   +  Substitute
   +  contact current
   +  Protective conductor current
   +  Compensation of the measuring line