KYORITSU 1109S - Manual (Page 3)

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1. Safety Warnings
The instrument must be used by a competent, trained person and
operated in strict accordance with the instructions. Kyoritsu Electrical
Instruments Works, Ltd will not accept liability for any damage or injury
caused by misuse or non-compliance with the instructions or safety
procedures. It is essential to read and understand the safety rules
contained in the instructions. They must be observed when using the
instrument.
● This instruction manual contains warnings and safety rules
which must be observed by the user to ensure safe operation of
the instrument and retain it in safe condition for a long period.
Therefore, read these operating instructions thoroughly and
completely before using the instrument.
# WARNING
This is a warning for the user to avoid electric shock hazard.
The symbol # on the instrument means that the user must read the
instructions in this manual for safe operation of the instrument.
# CAUTION
This is a caution for the user to avoid damage to the instrument.
# WARNING
● Never open the back case during measurements.
● Never use the instrument to measure voltage higher than 250V
on an industrial power line.
● When measuring a high voltage greater than 250V (in small
power supply circuit and not on power transmission line),
connect the test leads to the circuit under test after it is once
de-energized. Do not touch the wiring or test leads by hand
during voltage measurements. After the measurements, turn off
power to the circuit under test and disconnect the test leads.
Never test a circuit voltage higher than 250V with the range
selector switch erroneously set to one of the current or
resistance range positions. The fuse may not protect the circuit.