Help? Heathkit SA-2040 Tuner

[Mark Sangillo]

Found a Heathkit SA-2040 tuner in a dumpster this Saturday.[attachment file=”84543″]

Anybody have advice on

a) how to test if it is any good and

b) a procedure to use it?

I hooked it up to my nano vna and expected to walk the cursor around the smith chart.  Looks to be a short on input.  A DMM finds the capacitor rotor shaft grounded to chassis with inductor disconnected.  Doesn’t seem right. I think it is supposed to have non-conductive extension shafts but this one has metal shafts.

Mark/ KC1IML

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[Nashua Area Radio Society]

Manual here: https://archive.org/details/HeathkitSA2040AntennaTuner/mode/2up

Rick, K8EZB

[Author]

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