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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Bill Janssen wrote:
My scrap yard friend had/has a meter with two probes that when applied to an unknown metal will, from the needle defection, tell what the metal might be. I assume it measures the thermoelectric effect The meter is seriously damaged and is probably not repairable Their meter is now broken and they asked me to repair or find another. The broken one was manufactured by Chemet Products of San Francisco. That company seems to no longer exist. So, does anyone know of a similar meter. I don't even know how to search on Google for such a device. Mainly I don't know what to call it. Bill K7NOM Ok I figured out that the meter was made by Triplett and is similar to their model 820. So I called triplett and talked to a nice lady that had me look for a 49-xxxxx number. When given that, she said that it was a special movement and was made for Chemet and also Triplett had made some more for Parfait's Technical Enterprises as recently as April. She even had a phone number I called Parfait's and Lloyd Parfait said he had bought the company and was still producing the meters. So now it is up to my friend at the scrap yard to purchase another meter. I didn't pay too much attention to the price but it was a little over $300.00. So I am now out the the meter repair business. Bill K7NOM |
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