Explanation Of Symbols - Fluke 312 User Manual

W
Risk of danger. Important information. Refer to operation instructions.
X
Risk of electric shock.
,
Application and removal from hazardous live conductors permitted.
T
Double insulated.
B
Battery
J
Earth Ground
B
Alternating current
F
Direct current
Equipment is designed to protect against transients from energy-consuming
CAT II
equipment supplied from the fixed installation, such as televisions, personal
computers, portable tools, and other household appliances.
Equipment is designed to protect against transients in equipment in fixed-
CAT III
equipment installations, such as distribution panels, feeders and short branch
circuits, and lighting systems in large buildings.
Complies with European standards EN/IEC 61010-1 2
P
61010-02-032

Explanation of Symbols

Users Manual
nd
Edition and EN/IEC
3