Test instrument accuracy
Test instrument accuracy
(OP)
Some electrical installation instrument manufacturers claim compliance with standards such as the BSEN 61557 (British and European). However, I have noted that the standard requires an operating error of not more than 30%! Hardly worth doing the tests! Any views?
Regards,
Lyledunn






RE: Test instrument accuracy
RE: Test instrument accuracy
Bung
Life is non-linear...
RE: Test instrument accuracy
Regards,
Lyledunn
RE: Test instrument accuracy
RE: Test instrument accuracy
Bung
Life is non-linear...
RE: Test instrument accuracy
30% on a normal scale is unacceptable for traditional test instruments (not ground resistance, although it may be but I am not real familiar with these instruments). Is this 30% for very small readings? Do they give a range of accepting accuracies based on amplitudes of the measurements? If only 30% is mentioned it is worthless when it comes to an accuracy spec ('operating' or otherwise).
RE: Test instrument accuracy
Regards,
Lyledunn