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Author Topic: Guildline 9975 resistance bridge  (Read 3389 times)

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Offline scottbpTopic starter

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Guildline 9975 resistance bridge
« on: March 14, 2018, 05:05:59 pm »
I have a Guildline 9975 resistance bridge that I'd like to resurrect. Does anyone know where I can find an operator or service manual? I did a search of this forum and found a link to a teardown at http://bbs.38hot.net/thread-4488-1-1.html, but it's in Chinese. Nice pics, though, at least I don't have to open mine up just yet.
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Offline Vgkid

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Re: Guildline 9975 resistance bridge
« Reply #1 on: March 14, 2018, 05:17:25 pm »
I seem to recall that Measurements International used to service these , after guildline.
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Offline chuckb

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Re: Guildline 9975 resistance bridge
« Reply #2 on: March 14, 2018, 05:33:20 pm »
Quote from: scottbp on March 14, 2018, 05:05:59 pm
...I did a search of this forum and found a link to a teardown at http://bbs.38hot.net/thread-4488-1-1.html, but it's in Chinese. Nice pics, though, at least I don't have to open mine up just yet.
If you view the bbs.38hot site with CHROME the Google Translate function will let you read everything very well.

There are many good articles on the 38hot site.
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Offline ap

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Re: Guildline 9975 resistance bridge
« Reply #3 on: March 14, 2018, 08:14:55 pm »
I have one running in the lab, used mainly for 1/10 transfers. Send me a PM re. the information you need if you like.
Maybe we can also exchange operational experience later on.
« Last Edit: March 15, 2018, 07:39:09 am by ap »
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Offline cellularmitosis

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Re: Guildline 9975 resistance bridge
« Reply #4 on: March 15, 2018, 07:59:32 am »
Unfortunately the forum picked up the comma in your URL, which makes it 404.  Here’s the link without the comma http://bbs.38hot.net/thread-4488-1-1.html
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Offline scottbpTopic starter

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Re: Guildline 9975 resistance bridge
« Reply #5 on: March 15, 2018, 02:36:39 pm »
Oops on the comma... Thanks for the tip on using Chrome with Google translator. Response from one of the posters on that site: "Never knew that there is so much knowledge of a resistor."
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Offline lowimpedance

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Re: Guildline 9975 resistance bridge
« Reply #6 on: March 15, 2018, 10:17:47 pm »
There were some variations in the manuals (have several at work), best to see what information you require then place a request here .
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Offline ManateeMafia

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Re: Guildline 9975 resistance bridge
« Reply #7 on: March 16, 2018, 11:31:43 pm »
Email Guildline and request a copy of the manual.

They will happily send you a pdf copy and remind you they no longer service it. They will also provide a hardcopy in the $300 range.

The one they send is TM9975-J-00/
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Offline dl1640

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Re: Guildline 9975 resistance bridge
« Reply #8 on: March 16, 2018, 11:40:54 pm »
Lucky that I can read 38hot in Chinese, the uploader username "lymex" has many study and research on precision instruments and standards I think. But this man is not active on 38hot and eevblog forum for a while..
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Offline quarks

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Re: Guildline 9975 resistance bridge
« Reply #9 on: March 17, 2018, 10:57:59 am »
I had some private conversation with lymex, but he is not responding anymore, so I hope he is well
it would be great to here from anyone if he is ok
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Offline 0.01C

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Re: Guildline 9975 resistance bridge
« Reply #10 on: March 17, 2018, 05:18:53 pm »
Quote from: quarks on March 17, 2018, 10:57:59 am
I had some private conversation with lymex, but he is not responding anymore, so I hope he is well
it would be great to here from anyone if he is ok
I just talk to him yesterday ,He said he was busy and didn't have time to go online.
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