VALUE VMC-1 Digital Clamp Meter for HVAC High Voltage Insulation Tester this is the most common

this is the most common surface finish and is the result of a steam tempering operation in which steam is passed over the product during a controlled tempering cycle

then the RCD may be faulty

tolerance of diameter: h8

Then match the pattern with the legend on the face of the unit to decode - either fault or correct wiring

• Air breaks

VALUE VMC-1 Digital Clamp Meter for HVAC High Voltage Insulation Tester this is the most commonModel : VALUE DIGITAL MULTI CLAMP METER VMC 1 Features : VMC 1 series are 4000 count hand held clamp meters with auto range feature. The meter is designed with ergonomic structure and overload protection for each range, which makes it superior tool for electricians. VMC 1 series can measure AC DC voltage, AC current, resisance, diode, contiuity, capacitance, temperature and perform data hold, max min measurement, relative value measurement, NCV (non