Gardner Bender GCM-221 Auto Clamp-On Multimeter - Manual (Page 6)

3.1 Instrument Familiarization:
Symbol Definition:
3.2 Measuring Resistance:
Switch the function selector to Ω range.
Connect red test lead to "+" terminal and black one to
the "COM" terminal.
Connect tip of the test leads to the points where the
value of the resistance is needed.
Read the result from the LCD panel.
Note: When taking measurements from a circuit,
make sure the power is off and all capacitors
are discharged.
H
V
A
Ω
AC Symbol
Low Battery
Digital Reading
Data Hold
Continuity
Voltage Indicator
Ampere Indicator
Ohm Indicator
5
!
H HOLD
OFF
A
V
Ω
A A V V
Ω Ω
0 - 400
0 - 600
0 - 200
H
+ COM
600V CAT II
300V CAT III !
!
600V
GCM-221
GCM-221 11/29/04 10:39 AM Page 6