User Manual

GMC-I Messtechnik GmbH 7
• Measurements under moist ambient conditions are not
permitted.
• Do not exceed the permissible overload limits of the mea-
suring ranges. Limit values can be found in the table „Mea-
suring Ranges“ in chapter 15 „Technical Characteristics“.
• All current ranges are equipped with fuses. The maximum
allowable voltage for the measuring current circuit is equal
to 600 V~.
• The instrument may only be used in power installations when the
electrical circuit is protected with a 20 A fuse or circuit breaker,
and the nominal voltage of the installation does not exceed 600 V.
Meaning of the symbols on the device
Warning concerning a source of danger
(Attention, refer to the operating instructions)
Earth (ground) terminal.
Double or reinforced insulation
CAT II / III / IV Instrument for measuring category II / III or IV
EU conformity mark