A FRESH AA alkaline battery is painfully close to
1.6v.

Eric
KE6US

--- Spehro Pefhany <speff@interlog.com> wrote:
> At 12:47 AM 4/29/2005 -0500, you wrote:
> >So I finally fixed the Fluke 8600A DMM I got on
> ebay.  It appears to
> >use its bank of four D-size NiCads instead of an
> input filter
> >capacitor... when the cells go bad, the meter stops
> working, becase
> >the 5V DC line is more like 2V DC +3V AC.
> >
> >Even though the DMM is as old as I am, Fluke has
> the serivce manual as
> >a free download from their website.  First class!
> >
> >Anyway, I'm trying to get this thing into
> calibration as best I can.
> >My only other meter is a 3.5 digit Radio Shack
> meter that's at least a
> >decade old, so it's not much good as a calibration
> reference.
> >
> >0 V is pretty easy to obtain.   Any creative ideas
> on how to get other
> >reference voltages to calibrate this meter?
>=20
> Borrow another meter.
>=20
> Alternatively, you can buy a 0.1% LM4041AIZ-1.2
> from Digikey for 2.39 one-off (TO-92, 1.2V). Or a
> 10V 0.05% 5ppm/=B0C
> LT1019CN8-10 for $6.88. You can also buy 0.1%
> resistors for a dollar
> or so, which could allow you to check the resistance
> and low current
> ranges, and make a divider for low voltage ranges.
>=20
>=20
> Best regards,
>=20
> Spehro Pefhany --"it's the network..."          =20
> "The Journey is the reward"
> speff@interlog.com             Info for
> manufacturers: http://www.trexon.com
> Embedded software/hardware/analog  Info for
> designers:  http://www.speff.com
>=20
>=20
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