GW Instek GDM-8246 User Manual - Manual (Page 3)

DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
1
1. SAFETY SUMMARY
Measuring Circuit
Measuring circuits are subjected to working voltage and transient stresses
from the circuit to which they are connected during measurement or test.
The circuits are divided into the following measurement categories:
Measurement category I is for measurements performed on circuits not
directly connected to MAINS.
Measurement category II is for measurements performed on circuits
directly connected to the low voltage installation.
Measurement category III is for measurements performed in the
building installation.
Measurement category IV is for measurements performed at the source
of the low-voltage installation.
Please refer to the installation category indicated on the font panel to
select adequate measurement category.
The equipment marked with measurement category I shall
not be used for measurements within measurement II, III
and IV.
Safety terms and symbols
Please take a moment to review these safety terms and symbols which
may appear in this manual or on Equipment to prevent damage to the
instrument.
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
2
WARNING. Warning statements identify condition or
practices that could result in injury or loss of life.
CAUTION. Caution statements identify conditions or
practices that could result in damage to this product or
other property.
DANGER High Voltage
ATTENTION refer to Manual
Protective Conductor Terminal
(ground) Earth Terminal
Frame or Chassis Terminal