TG basic 1

DIN VDE 0701-0702 / ÖVE E 8701

The safety tester TG basic 1 is a test device for checking the protective measures according to DIN VDE 0701-0702 (DGUV regulation 3) // ÖVE E 8701 on portable electrical equipment.

Your advantages:

  • Perfect for mobile applications due to low weight and sturdy housing including battery operation
  • Worldwide used due to country-specific test sockets and operating language (D, EN, F, I, NL, CZ, PL, S)
  • Easy-to-handle via rotary switch and start button, automatic test procedure and graphic display


  • Protective conductor resistance
  • Insulation resistance
  • Substitute leakage current
  • Testing of extension cable
  • Mains voltage measurement
  • Cable test with IEC connector


The GMW history

GMW ist part of a successful alliance. With a large product spectrum and considerable production capacities, the company network is taking a strong position in the market of measuring instruments. Learn more about our way. links

Download area

Here you can find all required documents of GMW and much more. unten


Get to know the range of our products, which meet the requirements of our customers worldwide. unten

NEW! TG omni 1. The safety appliance TG omni 1 with an innovative operating concept via tablet PC. link

Your career at GMW link

Our references

We would be glad to present you a selection of our satisfied customers. Long-standing business relationships over a number of years with such renowned companies bear testament to high customer satisfaction levels. This is a consequence of first-class service, reliability of deliveries and exceptional flexibility for customized production. link