Fluke fluke123 User Manual
Fluke 123
Users Manual
Users Manual
12
Looking at the Measurement
Connections
Connections
Look at the top of the test tool. The test tool provides two
4-mm safety shielded banana jack inputs (red input A and
gray input B) and a safety 4-mm banana jack input (COM).
(See Figure 1-5.)
4-mm safety shielded banana jack inputs (red input A and
gray input B) and a safety 4-mm banana jack input (COM).
(See Figure 1-5.)
Input A
You can always use the red input A for all single input
measurements possible with the test tool.
measurements possible with the test tool.
Input B
For measurements on two different signals you can use
the gray input B together with the red input A .
the gray input B together with the red input A .
COM
You can use the black COMmon as single ground for low
frequency measurements, and for Continuity, Ohm (
frequency measurements, and for Continuity, Ohm (
Ω
),
Diode, and Capacitance measurements.
Warning
To avoid electrical shock or fire, use only one
COM
COM
(common) connection, or ensure that
all connections to COM
are at the same
potential.
Figure 1-5. Measurement Connections