Amprobe DM78B Digital-Multimeter - Manual (Page 5)

1
Digital Multimeter
Contents
Symbols ..............................................................................................1
Warnings and Precautions...................................................................1
Measuring Procedures.........................................................................2
Battery replacement.............................................................................3
Specifications ......................................................................................4
Repair ..................................................................................................5
Symbols
B Battery W Refer to the manual
T Double
insulated
X Dangerous Voltage
F Direct Current J Earth Ground
B Alternating
Current
R Audible tone
I Fuse P Complies with EU
directives
Warnings and Precautions
• This instrument is EN61010-1 certified for Installation Category I
(600V). It may only be used to make measurements on energy
limited circuits within equipment and not directly connected to
mains.
• This instrument is IEC1010-1 certified for Installation Category II
300V. This instrument is EN61010-1 certified for Installation
Category II (300V). It is recommended for use with local level
power distribution, appliances, portable equipment, etc, where
only smaller transient overvoltages may occur, and not for
primary supply lines, overhead lines and cable systems.
• Do not exceed the maximum overload limits per function (see
specifications) nor the limits marked on the instrument itself.
• Exercise extreme caution when: measuring voltage >20V //
servicing CRT equipment.
• Inspect DMM, test leads and accessories before every use. Do
not use any damaged part.
• Never ground yourself when taking measurements. Do not touch
exposed circuit elements or probe tips.