To ensure that the meter is used safely,Be sure to observe
the instruction when using the instrument.
Protection circuit may be undermined by unjustifiable usage that
does not the guidelines in the instruction manual.
1Never use meter on the electric circuit that exceed 6 kVA.
2Pay special attention when measuring the voltage of AC 33
Vrms46.7 Vpeakor DC 70 V or more to avoid injury.
3Never apply an input signals exceeding the maximum rating
input value.
4Never use meter for measuring the line connected with
equipmenti.e.motorsthat generates induced or surge
voltage since it may exceed the maximum allowable voltage.
1
SAFETY PRECAUTIONS:Before use,read the following safety precautions
This instruction manual explains how to use your multimeter
SP21 safely. Before use,please read this manual thoroughly. After
reading it,keep it together with the product for reference to it when
necessary.
The instruction given under the heading WARNING CAUTION
must be followed to prevent accidental burn or electrical 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 instruction for safe use.
The warning messages are intended to prevent accidents to
operating personnel such as burn and electrical shock.
The caution messages are intended to prevent damage to
the instrument.
DC Voltage Glaund
AC Voltage Plus input
Resistance Minus input
Continuity Fuse
Fuse & Diode protection Double insulation
Drop proof
1-2 Warning Instruction for safe use
WARNING
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