Gossen Metrawatt Z715A Calibrating Adapter

Calibrating Adapter for all SECUTEST and METRATESTER.  Application The adapter is used for testing the measuring accuracy of test instruments in accordance with DIN VDE 0701-0702 and IEC 62353 (VDE 0751). As a rule, these instruments must be tested once each year as set forth by accident prevention regulation DGUV provision 3 (previously BGV A3), as well as for certification in accordance with the ISO 9000 quality standard. All measuring ranges for tests required in accordance with DIN VDE 0701-0702 such as protective conductor resistance, insulation resistance, equivalent leakage current and residual and/or contact current must be tested