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WANTED meter shunt http://rypn.org/forums/viewtopic.php?f=2&t=41654 |
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Author: | srwsstv [ Mon Feb 12, 2018 2:38 am ] |
Post subject: | WANTED meter shunt |
I am looking for a meter shunt to go with a EMD ammeter (EMD part #8402426). This is going to go into a locomotive that doesn't have a ammeter for the traction motors, its basically an SW1. |
Author: | Bowmore [ Mon Feb 12, 2018 12:08 pm ] |
Post subject: | Re: WANTED meter shunt |
Try eBay. I have seen many shunts listed. First find out the rating of your meter, typically 50 millivolts, and then find a 50 mv shunt that will work with your meter. |
Author: | JeffH [ Thu Feb 15, 2018 11:20 pm ] |
Post subject: | Re: WANTED meter shunt |
is this a locomotive that never, ever had an ammeter? If so, you'll need to cut into the traction motor circuit someplace to install the meter shunt. Pick a meter with a full-scale reading that makes sense for the HP rating of your locomotive. Pick a shunt with a corresponding FS reading (e.g. 2000A) and, as the other poster says, usually a 50mV full-scale drop (match it to the amp meter, the mV F.S. should be written in fine print near the bottom of the scale) |
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