Hi Stan,
You might try this switch:
Mouser:
http://www.mouser.com/ProductDetail/NKK-Switches/PS4N-RO/?qs=%2fha2pyFadug%2fwBhWOsUs7NW51XexCQfYKxMRl5YOsfFFMCVUiewJdw%3d%3d
<cid:[email protected]>
It's a 30 amp (for low contact resistance) silver plated 12 positions,
four decks. It may have a diameter that is too large. You will solder
the wires to the switch, remove screws.
I used it in my metrology switching center posted on:
http://ko4bb.com/manuals/download.php?file=Fluke/Fluke_720a_Switching_Center.zip
Its is currently listed on mouser as Obsolete, I purchased these about
two years ago.
Dallas
On 3/25/2015 7:38 AM, [email protected] wrote:
Hi Stan,
The Deck A switch is a 3 layer, 1 to 12 type.
I assume that one of the (ceramic?) layers is broken.
You may desolder and disassemble the switch, to find out.
Maybe it's repairable ( i doubt that).
So you may get a spare part from Fluke, as I think, they still manufacture these instruments.
Or you may get such a switch from IET Labs, as they also actually produce a clone of this.
You may also order a custom made replacement from ELMA.
They offer a modular precision switch, gold plated contacts, Type 04
The isolation resistance is high enough, only the contact resistance is not so
well specified, and may degrade the performance of the 720A.
http://www.elma.com/en-eu/products/rotary-switches/rotary-switching-products/product-pages/type-04-detail/
Frank
---
Alle Postfächer an einem Ort. Jetzt wechseln und E-Mail-Adresse mitnehmen!
Rundum glücklich mit freenetMail
_______________________________________________
volt-nuts mailing list -- [email protected]
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts
and follow the instructions there.
_______________________________________________
volt-nuts mailing list -- [email protected]
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts
and follow the instructions there.
