User Manual

GMC-I Messtechnik GmbH 9
Safety Precautions
1.1 Use for Intended Purpose
• The multimeter is a portable device which can be held in the
hand during the performance of measurements.
• Only those types of measurements described in section 5 may
be performed with the measuring instrument.
• The measuring instrument, including measurement cables and
plug-on test probes, may only be utilized up to the maximum
specified measuring category (see page 84 and the table on
page 7 regarding significance).
• Overload limits may not be exceeded. See technical data on
page 77 for overload values and overload limits.
• Measurements may only be performed under the specified
ambient conditions. See page 84 regarding operating temper-
ature range and relative humidity.
• The measuring instrument may only be used in accordance
with the specified degree of protection (IP code) (see page 84).
1.2 Meanings of Danger Symbols
Warning concerning a source of danger
(attention: observe documentation!)
Warning at the display regarding dangerous contact voltage
at the voltage measuring input (jacks 8 and 10, see page 10):
U > 30 V AC or U > 35 V DC
Note
For safety reasons, the instrument cannot be switched off
when dangerous contact voltages are being applied.
Note
Electrical discharge or high frequency interference may
cause incorrect displays to appear. To reset the instrument,
switch it off and then back on again. See also section 6.5
with regard to restoring the factory settings.
1.3 Meanings of Acoustic Warning Signals
Voltage warning: > 600 V (intermittent acoustic signal)
Current warning: > 10 A (intermittent acoustic signal)
Current warning: > 16 A (continuous acoustic signal)
!