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Earth Leakage Clamp Meter - Great Tool!

Foffer
Maybe I'm behind the times and you've all known about these for years!


I've just started using a Megger DCM305E clamp meter which can measure current from 0.001mA to 100A, meaning that its prime application is measuring earth leakage.  Clamping around both meter tails together or around the cores of a specially made extension lead test rig quickly helps track down the offending item causing RCD/RCBO tripping.  This tool speeds up fault finding a great deal and causes minimum disruption in a working environment.


Just wanted to bring this tool to the attention of anyone who like me hadn't heard of it before!


Also, I don't know if there are similar tools made by other manufacturers.....
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  • 0
    There were even a few dual-standard colour sets.


    We had a Phillips G6 (bought as an ex-rental from a place in Chepstow), lots of nice glowing things in the back which ran with the cover off to let out the nearly 1kW of heat. Great for keeping the frost off the poor newlyweds in the winter (a truly dual-purpose appliance, you can't watch the match on a fan heater).


    A regular fix for these things was to solder up the 1-zillion way slider switch which changed 405/625 so it stayed 625 and was a lot more reliable.


    These things didn't have EHT triplers, the flyback overwind went straight to 25kV at more mA than I wanted to get near!

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  • 0
    There were even a few dual-standard colour sets.


    We had a Phillips G6 (bought as an ex-rental from a place in Chepstow), lots of nice glowing things in the back which ran with the cover off to let out the nearly 1kW of heat. Great for keeping the frost off the poor newlyweds in the winter (a truly dual-purpose appliance, you can't watch the match on a fan heater).


    A regular fix for these things was to solder up the 1-zillion way slider switch which changed 405/625 so it stayed 625 and was a lot more reliable.


    These things didn't have EHT triplers, the flyback overwind went straight to 25kV at more mA than I wanted to get near!

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