I picked up a pair of General Radio 1864 megohmmeters that were being scrapped at work. They look in real bad shape on the outside, really dirty and cracked dials/ rotten plastic. Inside, they look brand new and they seem to work. I am in the process of cleaning them up & fixing aged hardware. My original plan was just to take them apart and play with their guts until I searched the net and found out that they are being sold for >5000$ (in perfect condition, of course. and calibrated). So, I was just wondering how much it would cost to get them calibrated, and how much more they would be worth if they were calibrated.
Thanks

 

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Hi Strantor, shouldnt be too hard to check the acurracy of your Megger. My unit is about 1960s vintage & still being used to check insulation on 240V equipment. to check i just use a known 1M ohm resistor. Daryl