Datasheet

Page 14
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Keysight quality
We know you can’t afford instrument downtime due to hardware
failures and unscheduled maintenance. That’s why our engineers
designed reliability into the 34970A/34972A: A rugged enclosure,
state-of-the-art surface mount construction throughout, reduced
parts counts, and rigorous and thorough testing on all aspects of
the product.
Take the guesswork out of relay maintenance
The 34970A/34972A uses our proprietary relay maintenance
system to help you to predict relay end-of-life and avoid costly
production line downtime. It automatically counts every individual
switch closure and stores it in nonvolatile memory on each
module. You can query the total number of cycles on any individ-
ual channel so you can schedule maintenance and avoid erratic
end-of-life failures.