Products > Test Equipment

Multimeter CAT II Rating Discontinuation

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J-R:
Quick reminder, the CAT II labeling removal only applies to handheld DMMs, according to what I posted previously.  I have not seen anything yet that states the rating itself is going away or changing otherwise.

joeqsmith:

--- Quote from: J-R on July 25, 2023, 05:29:31 pm ---Quick reminder, the CAT II labeling removal only applies to handheld DMMs, according to what I posted previously.  I have not seen anything yet that states the rating itself is going away or changing otherwise.

--- End quote ---

bdunham7:

--- Quote from: J-R on July 25, 2023, 05:29:31 pm ---Quick reminder, the CAT II labeling removal only applies to handheld DMMs, according to what I posted previously.  I have not seen anything yet that states the rating itself is going away or changing otherwise.

--- End quote ---

Do you know if that is what happened to CAT I or did that go away entirely?  I've never understood how CAT I was applied anyway--you see CAT I/1000V on meters that are explicitly not rated for 1000VAC.

Fungus:

--- Quote from: bdunham7 on July 25, 2023, 06:00:40 pm ---you see CAT I/1000V on meters that are explicitly not rated for 1000VAC.

--- End quote ---

Clue: Some meters are incorrectly labelled.

J-R:
Since the CAT ratings are safety ratings, it seems logical to me that you could have a device rated for CAT I 1000V but not actually be able to measure it. Although maybe that is not allowed, but without the full document I can't say for sure.

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