Introduction; International Electrical Symbols - AEMC MN261 User Manual

These safety warnings are provided to ensure the safety of person-
nel and proper operation of the instrument.
• Connect the probe to the oscilloscope or voltage measuring
instrument before clamping the probe around a conductor.
• Never use the probe on circuits rated higher than 600V, Cat III.
• Never leave the probe clamped around a conductor while not
connected to an oscilloscope or voltage measuring instrument.
• Carefully center the conductor inside the probe jaws and ascer-
tain that the probe is perpendicular to the conductor.
• Avoid, if possible, the proximity of other conductors which may
create noise.
• Check the magnetic mating surfaces of the probe jaws; these
should be free of dirt, rust, or other foreign matter.
• Do not use a probe which is cracked, damaged, or has defec-
tive leads.
1.1

International Electrical Symbols

This symbol signifies that the instrument is protected by double or
reinforced insulation. Use only specified replacement parts when
servicing the instrument.
This symbol on the instrument indicates a WARNING and that the
operator must refer to the user manual for instructions before operat-
ing the instrument. In this manual, the symbol preceding instructions
indicates that if the instructions are not followed, bodily injury, instal-
lation/sample and product damage may result.
Risk of electric shock. The voltage at the parts marked with this
symbol may be dangerous.
This is a type A current sensor. This symbol signifies that application
around and removal from HAZARDOUS LIVE conductors is permitted.
2
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CHAPTER 1

INTRODUCTION

WARNING
AC Current Oscilloscope Probe Model MN261
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