Mastech MAS830B, Operator'S Instruction Manual

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SAFETY INFORMATION
This multimeter has been designed according to IEC
−
1010
concerning electronic measuring instruments with an
overvoltage category (CAT
Ⅱ
) and pollution 2.
Follow all safety and operating instructions to ensure that the
meter is used safely and is kept in good operating condition.
Full compliance with safety standards can be guaranteed only
with test leads supplied. If necessary, they must be replaced
with the type specified in this manual.
SAFETY SYMBOLS
Important safety information, refer to the operating
manual.
Dangerous voltage may be present.
Earth ground.
Double insulation (Protection class II).
Fuse must be replaced with rating specified in the
manual.
MAINTENANCE
•
•
•
•
Before opening the case, always disconnect test leads
from all energized circuits.
For continue protection against fire; replace fuse only
with the specified voltage and current ratings:
F 200mA/250V(Quick Acting)
Never use the meter unless the back cover is in place
and fastened completely.
Do not use abrasives or solvents on the meter. To clean
it using a damp cloth and mild detergent only.
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