Calibrating voltage indicators

[golfpaul]

Im getting everything setup for my part p assessment and am wondering if i need to get the voltage indicator calibrated, its the dilog combivolt 2.

Ta.

 

[Simonslimline]

Did it come with a calibration certificate?

 

[golfpaul]

Hmm not too sure, i don't think so, its about 18 months old.

 

[Plonker 3]

Simply buy a proving unit if you are that concerned

 

[golfpaul]

Im not concerned.
Does it need to be calibrated as part of a part p assessment?

 

[Plonker 3]

No, just needs to work, so either using a proving unit or a know source is satisfactory.

 

[Knobhead]

Simply buy a proving unit if you are that concerned

A grand total of 86p cheaper than a new unit.

 

[Lucien Nunes]

But you can use the proving unit on a dead site to verify your tester, which you can't do with another tester. One of each for me.

 

[golfpaul]

... And then calibrate the proving unit

 

[Lucien Nunes]

True, but it is in the nature of proving units that they don't tend to give out excessive output. A faulty indicator will often fail to indicate the presence of a hazardous voltage, which is not a fail-safe condition. A faulty proving unit would make you infer that your voltage indicator is faulty even when it is OK, rather than the other way around, so this is a fail-safe condition.

 

[GLENNSPARK]

jesus wept what a ridiculous thread

just prove the chuffin thing on a known source of supply....such as the incoming side of the incomer...

any part pis assessor will accept that....caus its perfectly acceptable to prove it using this method...

 

[Richard Burns]

A voltage indicator is an indicator, it is not precise so it does not need calibrating, it just need to work.

 

[shanky887614]

dont like the combi volts myself, I pmsl when my workmate opened his toolbox to find his tin snips had cut through cable.

I prefer testers with replaceable leads

 

[GLENNSPARK]

i`v got...oh about 5 proving units knockin about...
several campbell york`s...a couple of seawards and a martindale..

i`v got several AVIs...

A Martindale phase rotation tester and a Martindale voltage indicator...

loads of stuff like that...lockout gear n all...

 

[golfpaul]

jesus wept what a ridiculous thread

just prove the chuffin thing on a known source of supply....such as the incoming side of the incomer...

any part pis assessor will accept that....caus its perfectly acceptable to prove it using this method...

Sorry mate - just needed to know if it had to be calibrated or not, i'll get me' coat...