Wiha 45220, Instruction Manual, Page: 17 / 129

INSTRUCTION MANUAL
16
In the above cases, the unit must no longer be used!
The unit may only be opened by trained personnel. Before opening, make sure
that the unit has been disconnected from all measuring circuits.
The accident prevention regulations laid down by the professional associations
for electrical systems and equipment must be strictly observed during all tasks.
To ensure correct operation and long life, do not leave the instrument in direct
sunlight where it may heat up.
Intended use / Operating elements
Intended use
The appliance may only be used under the conditions and for the purposes for which it
was designed. In this regard, particular attention must be paid to the safety instruc-
tions, the technical specifications with regard to the ambient conditions and the use of
the appliance in dry environments.
Operating elements
LED display
Mains plug
1
2
230V 50Hz 3mA
CAT II / 300V
Socket tester
230 V AC, CAT II
OK
L/N reverse
L/E reverse
E fault
N fault
L fault
L/E reverse
& E open
1
2