Discuss Proving units maximum voltage in the UK Electrical Forum area at ElectriciansForums.net
Could be but it is g do ocumented in the meter document without mentioning leadsI suspect the 600 volt limit is the max. rating of the leads Cat iv GS38 thing.
I use the one that’s rated to 690 volts to test for dead circuit and use my fluke for accurate measurements of voltage and current.It is odd to start high and go down, that is for sure. The one I have is this and it ramps up:
4299 Proving Unit
Intelligent voltage ramp testing for voltage indicators and multimeterswww.cef.co.uk
If you have a tester that is rated for 690V then I would use it for everything that might be live. Generally I prefer simpler as I don't like the continuity buzzer on mine, and it means yet another battery to remember and change before it leaks...
Next time I'm getting a simple one without battery requirement, or a Drummond if I'm feeling flush.
I emailed Kewtech and they stated that it does cascade up the voltages before cascading down. While this wasn’t what happened initially, it is doing that now and I don’t know what changed!
That's what my did but when I e to video it itvran upwards from 50 to 690 and rhen back down.Strange - my kewtech starts at 690V, then after about 4 seconds it steps down to cover each band. Once all the voltage bands have been covered it tests the continuity function
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