Thanks for that. Picked one up today and have just had a play with it.
Seems dead easy for sockets, FCUs and 6242. But on some flex I had to
roll it all the way round the circumference to get a positive reading;
in other words, it would have been easy for someone less paranoid to get
a false negative. I've no idea if that's just the sign of a cheap
detector or a possible fault. Either way for ?2.44 I'm not complaining.
Even my Fluke has problems with flex! You need as you say "to roll it
around". I can also suggest that you may get better results when testing
flex by holding the pen in parallel with the flex when rolling it around and
not holding it at 90deg to the flex. Try it and you will see.
It seems you bought the last one:-)
On Wednesday, 24 February 2016 01:05:13 UTC, Mark wrote:
<Posting via Google Groups as the thread has expired on my machine>
Well, I ordered two 25th Feb, and they arrived this morning, six days later
. Put in two AAAs and it just works. How do they do it at 1.06 including
postage from China. As Mark says above, there is even a light.
When touched against a kettle lead, the end flashes red and it beeps. Same
with the live area of a wall socket.
Well, I always check that it beeps on something live *after* checking
it doesn't beep on what I think I've disconnected. I also usually
poke the volt stick around inside the box after I open it but before I
stick a screwdriver in it.
On flex you get the wires often twisted, and presumably, this can null out
the field that is being detected in some circumstances. Hall effect and
other types of sensor are only measuring the field changes in one place
after all. I'm sure a really good one might heave more sensors to try to
pick up the field.
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