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Overview
Safe Working Habits
To avoid electric shock or personal injury, please
read “safety information” and “warning and
related notes” carefully before using the meter.
The MS8239C is a small hand-held, safe and reliable
3.5” digital auto measuring range multi-meter with
stable performance and novel structure. It can be
used to measure DC voltage, AC/DC current,
resistance, capacitance, frequency, duty ratio,
temperature, diode forward voltage drop and circuit
continuity. It is an ideal maintenance tool easily
carried by a large number of users.
Warning
To avoid possible electric shock or personal injury as
well as damage to the meter or measured objects,
please use the meter according to the following
procedures methods:
Safety Instructions
The MS8239C digital multi-meter has been designed
according to International Electro Safety Standard
IEC-1010 (61010-1@IEC: 2001) concerning safety
requirements for electronic measuring instruments
and hand-held digital multi-meters. It meets the
requirements for CAT. III 600V of IEC1010 and grade
2 for pollution.
• Users should use the meter strictly according to the
provisions of this manual. Otherwise, the warranty
for the meter may become invalid.
• The warnings in the user manual are used to remind
users of possible danger or dangerous action.
• The notes in the user manual are used to remind
users of possible meter damage or condition or
action of measured object.
• Check the case before using the meter. Don't use the
meter with damaged case. Check to see if the case is
cracked or lacks plastic parts. Please pay special
attention to the joint insulating layer.
• Check to see if the test wire has insulation damage or
bare metal. Check test wire continuity. If the wire is
damaged, please replace it with a new one before
using the meter.
• Measure known voltage with the meter to verify that
the meter is working properly. If the meter is working
abnormally, stop using it immediately. A protective
device may be damaged. If there is any doubt, please
have the meter inspected by a qualified technician.
• Do not test voltage exceeding rated voltage marked
on the meter.
• When testing voltage exceeding 30V AC voltage RMS,
42V AC peak or 60V DC, be particularly careful to
avoid electric shock.
• When measuring, use correct jack, and select the
proper function and measuring range.
• Do not use the meter in explosive gas, vapor or dusty
environments.
• When using the probe, fingers should be behind the
probe protection device.
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