22
IM CA310-02EN
Measurement Category
The measurement category of this instrument is Other (O).
Measurement Category Description
Notes
O(None, Other)
Other circuits that are not directly connected to the
mains.
Circuits that are not powered from the
mains
CAT II
For measurements performed on circuits that are
connected to low-voltage installations
Household appliances, portable tools,
etc.
CAT III
For measuring facility circuits
Distribution boards, circuit breakers, etc.
CAT IV
For measurements performed on power source
circuits
Entrance cables, cable systems, etc.
Portable Case and Antiskid Rubber
How to Use the Portable Case
1.
Unfasten the hook on the strap end and hooks on the sides of the case cover, and open the cover.
2.
Rotate the case 180° around the hook on the company logo end of the case.
The hook on the company logo end cannot be unfastened.
3.
Overlap the case cover over the bottom of the case, and fasten the hook on the strap end and hooks on the sides of the case cover.
Antiskid rubber
Affix the included antiskid rubber to the location indicated in the following figure.
Antiskid rubber
(included)
Making Preparations for Measurements