[volt-nuts] Desperately seeking OPTION 10 for Datron 4708

[Will]

How about simply trying out? Connect your multimeter and press the
ohms button. If the appropriate led turns on and you get the ohms
output, then you have it.

The Datron 4000 you bought (maybe this one?)

http://www.ebay.ca/itm/Datron-Electronics-4000-DC-Voltage-Calibration-Standard-/140804918714

is most likely DC only. As far as I remember opt 90 is just a rack
mounting kit. For ohms and DC-current you would need opt 20.

But never trust the rear panel markings or the AC only sticker. Cards
may have been added or removed after the date of manufacture.


2014-07-19 19:08 UTC+03.00, Chris <caall99 at gmail.com>:
> Thank you all for the responses and information. The amount of conflicting
> information i have gotten so far from other experts is truly astounding.
> Some say that the AC only option 20 & 30 Datron 4708 does not have
> resistance, others say it does. The manual doesn't enlighten any further. I
> have also heard that the 4000/4000A boards do not work in the 47XX series.
> I have gone ahead and purchased a Datron 4000 (option 90), to complement my
> Datron 4708 (options 20, 30,80, 90). I am hoping this combination will give
> me DC V+I, AC V+I, and resistance at 8.5 digit accuracies, that i can
> further characterize with my Agilent 3458A (NIST traceable cal). Does
> anyone have a complete manual for the 4000/4000A? Either electronic or hard
> copy, thank you!
>
>
> On Wed, Jul 16, 2014 at 8:48 AM, Chris <caall99 at gmail.com> wrote:
>
>> Thank you for the bad news :( I am starting to come to terms with the
>> difficulty of finding this option. I have recently discovered that option
>> 10 from the 4700, 4705, and 4707 would also work. Not sure if this makes
>> it
>> any easier.
>>
>> Also my unit has a sticker on the front indicating "ac voltage and
>> current
>> only"... But lists options 20,30,80,90 on the backside label. Will my
>> unit
>> have resistance functionality? I am hearing a lot of conflicting
>> information.
>>
>> Not sure if I am replying to emails correctly. (New to volt nuts)
>> On Jul 12, 2014 6:03 PM, "Chris" <caall99 at gmail.com> wrote:
>>
>>> Nobody has access to spare Datron 4708 stuff? I am willing to pay
>>> international shipping etc... whatever it takes! Thank you
>>>
>>>
>>> On Thu, Jul 10, 2014 at 2:09 PM, Chris <caall99 at gmail.com> wrote:
>>>
>>>> I am looking to purchase OPTION 10 slide in board for the Datron 4708
>>>> Multifunction Calibrator. If anybody has a parted out unit and can sell
>>>> me
>>>> just the option 10 board i would appreciate it dearly! Thank you for
>>>> considering!
>>>>
>>>> Chris
>>>>
>>>
>>>
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