Mastech MAS830L Operator's Instruction Manual

OPERATOR'S
INSTRUCTION MANUAL
MAS830
MAS830L
DIGITAL MULTIMETER

SAFETY INFORMATION

This multimeter has been designed according to IEC  1010 concerning electronic measuring
instruments with an overvoltage category (CATⅡ) 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.
Measurement category II, it is for measurements
performed on circuits directly connected to the low
CAT II
voltage installation.

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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