Symbols And Terms; Safety And Electrical Symbols - Tektronix DMM4040 Safety And Installation Instructions Manual

Symbols and Terms
The following tenns and safety and electrical symbols may appear in the manual or on
the product:
A
&&
Warning statement identifies conditions or practices that could result in injury
or death.
A
&.
Caution
statement identifies conditions or practices that could result in damage to
the Meter or equipment to which it is connected.
&&
Warning
To avoid electric shock, personal injury, or death, carefully read
the information under "General Safety Summary" before
attempting to install, use, or service the Meter.
Safety and Electrical Symbols
•
n
Symbol Description Symbol Description
&
Risk of danger. Important
information. See manual.
@
Display ON I OFF and Meter reset.
&.
Hazardous voltage . Voltage> 30 V
dc or ac peak might be present.
~
Earth ground
......
AC (Alternating Current)
-u-
Capacitance
-
- -­
DC (Direct Current)
+I-
Diode
......
or
:::::::
--­
AC or DC (Alternating or Direct
Current)
-E3­
Fuse
11111
Continuity test or continuity beeper
tone
n
Digital signal
t
Potentially hazardous voltage
\r
Maintenance or Service
[QI
Double insulated
k
Static awareness. Static discharge
can damage parts.
CAT II
Measurement Category II is for
measurements performed on
circuits directly connected to the
low voltage installation.
CAT I
Measurement Category I is for
measurements not directly
connected to mains.
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