Hi,
As sensitive as some agencies are about test instruments and calibration,
using a rogue current source to do this test would seem to require some
level of traceability for the instruments used? We maintain an updated list
of all lab instruments and calibration affectivity as used and include this
list when we submit test data (we are an in-house test lab w/COMPASS CTDP
with UL/TUV as target agencies). Unless one uses a calibrated instrument to
check an uncalibrated 'reference instrument' prior to use, how can it be
expected to perform in a repeatable manner acceptable to the target agency?
I suppose an AC 'buzzbox' welder could be used as a current source, but
these are not terribly well regulated, voltage or current-wise, and getting
a repeatable setting may be difficult depending on design.
Pardon me if I made a dumb noise...
Kyle
(basically a super-tech with an 'assistant something-or-rather' title tacked
on)
-----Original Message-----
From: Brian At Work [SMTP:bkundew...@qtm.net]
Sent: Friday, September 10, 1999 3:48 PM
To: IEEE Group
Subject: Ground Bond Testers
Hello Everyone,
If I have a product that is rated 40 amps at 230V~, I assume I will
have to perform Ground Bond Testing at Twice the Rated current per EN61010-1
section 6.5.1.2 which would be 80 amps. I have checked by regular sources
and have only found testers that goes to around 30 amps.
Can anyone send me a source to purchase a Ground Bond Tester that
goes up to maybe 100 amps?
If such a device does not exist, can anyone give me their
recommendations on how to best perform this test?
Thank you and best regards,
Brian Kunde
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