I caught hold of an old APD make cryocooler with HC-2 compressor and (vertical) cold head (APD, DE-202) but without electrical connector (between the compressor and cold head). The connector is a circular 28-pin to circular BNC-type 4-pin connector. Can anyone help me with the electrical contact information so that I can wire it up?
I don't know about the electrical connection, but I too will have to figure that our soon. How do you know that the HC-2 is the right compressor for the cold head? I think it is, but I haven't found any literature online that explicitly says that those two complement each other.
I am currently looking for a manual PDF for the HC-2 compressor to explore this further, but I haven't been able to find it online. Any ideas?
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