Quote:
Originally Posted by G0HZU_JMR
This test gear ('for indication only') is 'too good to throw away' but also not considered worthy of a yearly calibration. In my experience this test gear maintains a reasonable accuracy for many years.
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That as may be, but surely you will also have access to test kit that falls into the 'other' category: "To be re-calibrated annually" (or some other regular interval). In government R & D and industry, that has certainly been my professional experience.
Al.