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HP 44422A
Relay Multiplexer
The 44422A Relay Multiplexer with Thermocouple Software Compensation
is for use with the 3497A Data Acquisition. It consists of reed actuated
relays that switch High, Low, and Guard on each of twenty channels. Inputs
to the relay card are provided by terminal connector cards, one of which
has thermocouple compensation built in.
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