[time-nuts] [OT] Re: HP-428B What I really meant....
paul swed
paulswedb at gmail.com
Wed Jan 13 19:06:55 UTC 2010
Well I do like my 428b. But several years ago I stumbled across a HP dc
clamp on probe battery operated for a few $. Works well but I really like
the large scale analog meter on the 428 so I tend to fall back on it.
On Wed, Jan 13, 2010 at 1:28 PM, <saidjack at aol.com> wrote:
> Hi guys,
>
> Extech makes a couple of very nice DC current clamp-on probes.
>
> They have down to 1mA resolution, and one of them is very inexpensive
> (around $140 if I remember correctly), and works as a standard multimeter
> as
> well. Very rugged also.
>
> Having a DC current clamp with 1mA resolution is very helpful in debugging
> digital circuitry..
>
> bye,
> Said
>
>
>
>
> In a message dated 1/13/2010 08:40:07 Pacific Standard Time,
> pete at petelancashire.com writes:
>
> Tek current probes were a little less sensitive to heat but
> just a warning to who may get a HP or Tek current probe the
> ferrite is VERY VERY VERY fragile. Not only from shock but
> watch out when you close the probe it chips easily
>
> oh .. not sure about the HP but the cables on like the Tek
> P6045 the cable to the probe has a lot of little wires in it
> and does not like tight bends.
>
> -pete
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