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Right basically its a TT system with a Zs of 2.2 ohms. There is a 30ma rcd installed on the CU. The exact reading i have obtained for the ring final circuit are Zs 3.0 ohms witha PFC of 107A and a PSC of 1.20kA. I know the reading is high for the ring final circuit but im guessing this is...

Right sorry to be a pain but im still struggling to get my head around this bloody tester. So im attempting to do my zs on a ring final circuit. I select the Zs/Ze setting on the tester and plug the plug adaptor into a socket. i press "Test" and get the following readings, Initial screen gives...

John - sorry i fully understand the difference between the tests but its the tester thats completely confused me? All i was after was someone who has this specific tester or has used one. The reason being the first result was like 2.1 ohms and the other displayed 0.8 ohms, a big difference...

suck my balls, im c&G 2394 2395 qualified. Its just this tester im not sure about and i dont have the instruction manual

On the first screen the main reading is in ohms and the bottom right is amps, but when you press f1 you then get another reading in ohms and bottom right in amps. one must be the ze and the other zs. and the bottom right is pfc and psc? but what i dont understand is which is what?

Im currently carrying out my first schedule of test results and am using a dilog 9083p. Everything has been fine until i have come to the Ze and Zs tests. On this particular tester it only has one setting for the both of them? When i do the test i get two results. The first on the main display...