I'm glad I decided to preemptively replace these. They crumbled when touched! These are from an HP 3478A multimeter, the battery note refers to its lithium battery used to store the calibration values in RAM.
I'm glad I decided to preemptively replace these. They crumbled when touched! These are from an HP 3478A multimeter, the battery note refers to its lithium battery used to store the calibration values in RAM.