Blog
RCD Types – Why does it matter?
If you’ve been testing RCDs (Residual Current Devices) you’ve likely seen labels like Type AC or Type A — maybe even Type B or F. These labels refer to the...
Testing figure of 8 leads incorrectly?
Are you testing figure of 8 leads the wrong way? Do you test Figure of 8 leads – if so, it might be pausing to consider - what are you...
Installation testers vs appliance testers
Installation testers vs appliance testers – just another sale opportunity? Appliance testers and installation testers. They basically do they same thing right? Earth continuity, insulation, RCD testing, voltage measurement -...
Switchboard RCD testing with probes?
Testing at the switchboard with probes with your trusty appliance tester. You have a great recording capability and easy access to every RCD instantly - but is it safe? Well, the...
The Metrel MI 3340 Alpha has been released
NEW PRODUCT - The Metrel MI 3340 Alpha is out now!
Appliance Tester Relay failure – again?
If your tester suddenly stops – perhaps a clear Relay Error, an ambiguous Err 17 or a dreaded Hardware Error message — there’s a good chance a relay has given...
What is substitute leakage testing?
If you’ve got and Advanced Appliance Tester like the new Metrel Alpha PAT, 3309 or the Seaward Primetest Elite you might have seen a test called Substitute Leakage test. So...
Insulation vs Insulation P
Insulation vs Insulation P – are you using your 3309 correctly? Are you a Metrel 3309 user? Have you ever wondered what the difference is between the Insulation test and...