Pro'sKit MT-3112, User Manual, Page: 4 / 32

3

To make measurement, connect the zero line or ground line, and then the firing line;
to finish measurement, disconnect the firing line, and then the zero line and ground
line.

Before opening the outer casing or battery cover, remove the pen from the
instrument. Never use the instrument with the instrument disassembled or the
battery cover opened.

To meet the requirements of the safety standards, the instrument shall be used with
the pen supplied. If the pen is damaged, it shall be replaced with one of the same
type and the same electrical specification.
4.Electrical Symbols
High voltage warning
AC (Alternating current)
DC (Direct current)
AC or DC
Warning, important safety signs
Ground
Equipment with double insulation or reinforced insulation
protection
Low battery
Conform with European Union standard
It shows that do not discard this electrical/electronic
product into household garbage.
CAT III
1000V
CAT III measurement is applicable for testing and
measuring circuits connecting to the distribution section
of building low voltage power supply.