User Manual

6 GMC-I Messtechnik GmbH
1 Introduction
Thank you very much for selecting our multimeter. These multi-
meters are manufactured as per IS 13875 and DIN 43751.
2 Safety Features and Safety Precautions
You have chosen a multimeter which provides you with a very
high degree of safety. The analog-digital multimeters are man-
ufactured and tested in compliance with the safety standard
IEC 61010-1:2010/ DIN EN 61010-1:2011. In case of incor-
rect use or careless handling, the safety of both user and mul-
timeter is not guaranteed.
For proper use and safe handling, it is absolutely necessary to read
and understand the operating instructions before using the multime-
ter.
For your safety and protection, the multimeters are fitted with
an Automatic terminal Blocking System (ABS). It is coupled
with the function selector switch which blocks the terminal
sockets not necessary for measurement.
Please note the following safety precautions
• The multimeter must be operated only by persons who
understand the danger of shock hazards and are aware of
the necessary safety precautions. Shock hazards exist
wherever voltage of more than 30 V (TRMS) is present.
• Do not work alone in shock hazardous environment while
carrying out measurements.
• The maximum permissible voltage between terminal socket
(7) and ground is 1000 V.
• Take into account that unexpected voltages may occur on
devices under test (e. g. defective instrument). For exam-
ple, capacitors may be charged to a dangerously high volt-
age.
• Verify that the test leads are in good condition e. g. no
cracked insulation, no open circuits in the leads or connec-
tors.