Sanwa DCL1000, Instruction Manual, Page: 4 / 23

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[1] SAFETY PRECAUTIONS
*Before use, read the following safety precautions.
This instruction manual explains how to use your new digital clamp
meter DCL1000. Before use, please read this manual thoroughly to
ensure correct and safe use. After reading it, keep it together with
the product for reference to it when necessary.
The instructions given under the heading of "
WARNING" must be
followed to prevent accidental burn and electric shock.
1-1 Explanation of Warning Symbols
The meaning of the symbols used in this manual and attached to
the product is as follows:
: Very important instructions for safe use.
• The warning messages are intended to prevent accidents to
operating personnel such as burn and electric shock.
• The caution messages are intended to prevent incorrect
handling and measurement which may damage the product.
: Risk of Electric shock : Direct current (DC)
: Ground : Resistance
: Alternating current (AC) : Diode
: Buzzer
: Double insulation or reinforced insulation
1-2 Warning Messages for Safe Use
The following instructions are intended to prevent personal injury such as
burn and electric shock. Be sure to follow them when using the meter:
1. This is a clamp meter for low-voltage circuits. Be sure to use
it for circuits of voltage-to-ground of 600 Vrms or below.
2. Voltages above 70 VDC or 33 Vrms AC (46.7 V peak) are
hazardous to human body. Never touch them.
3. Never input signals exceeding the maximum rated input value
(see 1-3).
4. Never use the meter for measuring voltages of lines
connected to equipment (e.g. motors) that generates induced
or surge voltage since it may exceed the maximum allowable
overload input.
WARNING
DCL1000_英本文_三 06.4.14 6:54 PM ページ 1