The R6441C from Advantest, part of the R6441C series of multimeters, features a max current of 10A AC and 10A DC and a max voltage of 700V AC and 0.001V DC. The multimeter has a max resistance of 200. and can measure Capacitance, Frequency Measurement.
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I just got one of these and I am trying to restore it. It still works but there are a few parts missing like the mA jack. It is can be removed to replace the fuse behind it and somewhere in it’s past this one did not get it put back. Is there any source I might try to find parts for this. The manufacturer no longer supports it.