Gossen Metrawatt M507B Loop Impendance Tester, Loop Impedance Test Type 2 Wire 260V, RCD Test Type AC Selective

The Gossen Metrawat M50 measuring instrument used for testing the characteristics of RCCBs. In particular, this involves the measurement of touch voltage, breaking time and breaking current for type A, AC, and S RCCBs, as well as type F mixed frequency RCDs as of recently.

Table of common protective devices can be displayed
Digital display, backlit color OLED display, switching between brief and detailed representation
LED for measurement point illumination
Patented test probe retainer
Compact and rugged for service calls under harsh conditions and laboratory use