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Mastech MS8221C User Manual

Mastech MS8221C
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02 03
1.2 During Use
1.2.1 Before using, you must select the right input jack,
function and range.
1.2.2 Never exceed the protection limit values indicated
in specifications for each range of measurement.
1.2.3 When the meter is linked to a measurement circuit,
do not touch unused terminals.
1.2.4 At the manual range, when the value scale to be
measured is unknown beforehand, set the range
selector at the highest position.
1.2.5 Do not measure voltage if the voltage on the
terminals exceeds 600V above earth ground.
1.2.6 Always be careful when working with voltages
above 60V DC or 30V AC rms, keep fingers
behind the probe barriers while measuring.
1.2.7 Never connect the meter leads across a voltage
source while the transform switch is in the
current, resistance, temperature, battery, diode,
transistor or continuity mode. Doing so can
damage the meter.
1.2.8 Before rotating the transform switch to change
functions and ranges, disconnect test leads from
the circuit under test.
1.2.9 Never perform resistance, temperature,
transistor, diode and continuity measurements
on live circuits.
1.2.10 Never use the meter under the condition of the
explosive air, steam or dirt.
1.2.11 If any faults or abnormalities are observed,
the meter can not be used any more and it has
to be checked out.
1.3 Symbols
1.2.12 Never use the meter unless the rear case is in
place and fastened fully.
1.2.13 Please do not store or use meter in areas
exposed to direct sunlight, high temperature,
humidity or condensation.
Note-Important safety information, refer to the
instruction manual.
Earth (ground) TERMINAL
Caution, possibility of electric shock
Equipment protected throughout by double
insulation or reinforced insulation.
Direct current
Alternating current
CAT III: MEASUREMENT CATEGORY III is applicable to
test and measuring circuits connected to the distribution
part of the building's low-voltage MAINS installation.
Fuse must be replaced as per the specification herein.

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Mastech MS8221C Specifications

General IconGeneral
BrandMastech
ModelMS8221C
CategoryMultimeter
LanguageEnglish

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