[sdiy] OT: DMM recommendations

[Terry Shultz]

HP Agilent Keysight 34401A 6.5 Digit Digital Multimeter

Bright Display and 6 1/2 digit 

https://www.ebay.com/itm/HP-Agilent-Keysight-34401A-6-5-Digit-Digital-Multimeter/352293561228?hash=item520655238c:g:fzcAAOSwD45al0PF

Bid so far is $205.00 USD so far.


> On Mar 7, 2018, at 6:41 AM, Terry Shultz <thx1138 at earthlink.net> wrote:
> 
> Hi Neil,
> 
> I have a Fluke Model 77 with Rubbery type of shell I use for continuity testing for general purpose work.
> 
> I have had it since 1985 and it just keeps on working…. 
> 
> The HP units I have are used for resistor matching / sorting for building my own D/A’s.
> 
> I gently bake the 1% resistors and sort them by value after they cool a bit.
> 
> I keep them stuck in a piece of styrofoam with the values marked in each row.
> 
> I have extra’s sorted in case one opens up. This is how I build my E-Mu era Poly Keyboard circuitboard.
> 
> Transistor matching is another project at the moment as I am building a run of VCO and VCF projects.
> 
> The copper clips are a pain to make as my fingers are too large to do fine work, I’ll have to enlist my daughter to help out.
> 
> I get the copper foil from the stain glass window shop near me. I use a paper cutter to cut the foil into strips.
> 
> Hope all is well,
> 
> Terry
> 
>> On Mar 7, 2018, at 6:25 AM, Neil Johnson <neil.johnson71 at gmail.com> wrote:
>> 
>> Hi Terry,
>> 
>>> I bought (2) HP3478A   5 1/2 digit Multimeter off of Ebay recently for about $125.00 each.
>>> 
>>> Both were tested and calibrated / tested from Surplus Test brokers.
>>> 
>>> They are great and accurate and readily available on Ebay.
>>> 
>>> Any thoughts to this model?
>>> 
>>> Terry
>> 
>> Yes they're very nice meters.  I have one at home, calibration is
>> quite cost effective (I think I paid around £69 for mine a couple of
>> years ago).  To be honest with HP quality they stay in cal for a long
>> time, so you could get it cal'ed every three years or so.
>> 
>> Neil
>> -- 
>> http://www.njohnson.co.uk
> 
> 
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