HT GroundTest M71, User Manual, Page: 3 / 26

GroundTest M71
EN – 2
1. SAFETY PRECAUTIONS AND PROCEDURES
This instrument was designed in compliance with the IEC/EN61557-1 and IEC/EN61010-1
guidelines relative to electronic equipment.
CAUTION
For your own safety and to avoid damaging the instrument you are
recommended to follow the procedures described in this manual and read
carefully all instructions preceded by this symbol
.
Before and during measurements keep to the following instructions:

Do not take voltage or current measurements in wet places

Do not take measurements in the presence of explosive gas and combustibles or in
dusty places

Avoid any contact with the circuit under test even though you are not taking any
measurement

Avoid any contact with exposed metal parts, unused measuring terminals, circuits etc.

Do not take any measurement whenever anomalous conditions occur such as
deformations, breaks, leakages, blind display etc

Pay utmost attention when taking measurements of voltage higher than 25V in special
places (building yards, swimming pools, etc.) and higher than 50V in ordinary places
due to the risk of electric shock.
The following symbols are used in this manual:
CAUTION: refer to the instruction manual. An improper use may damage the
instrument or its components as well as endanger the user.
High voltage danger: risk of electric shock.
AC voltage or current
DC voltage
Double insulation.