Guildline 9975 DC Comparator Resistance Bridge Manual Needed (Obsolete)

Jerry Eldred

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#1
I'm involved in a project bringing a Guildline 9975 DC Comparator Resistance Bridge online. It's an old unit that we just had repaired and now have to do the calibration. I've been searching for the manual ("Guildline Technical Manual for the model 9975 DC Comparator Bridge", Guildline document number TM9975-C-01).

I haven't yet found anything on this. Does anyone have this manual or know where I can locate a copy? Please send me a PM if you can help.

Alternately, I am particularly in need of an alignment procedure and/or operating instructions. Thanks anyone for any assistance.
 
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Jerry Eldred

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Re: Guildline 9975 Bridge Manual Needed (Obsolete)

I did see that one. It is one of three documents I've found. That particular one is more of a guidance document and, unfortunately, does not cover any specifics of operation of the 9975. The other two documents I found were on GIDEP, and were calibration procedures for the 9975, but are still a little remiss in some details.

My concern is that there are some detailed operational characteristics which if not followed correctly can either damage the bridge, or impact the accuracy of calibrations it will be used for.

The hunt goes on.....

Thanks very much for the input.
 
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