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Making Measurements
Measuring Current 4
4-11
0.0086
F1 F2 F3 F4 F5
caw09f.eps
3. With the test leads connected to the 100 mA and Input LO connectors, press the mA
soft key as shown above, if not already highlighted. If the test leads are connected to
the 10A and Input LO connectors, then press the 10A soft key.
4. Apply power to the measured circuit and read the current in the Meter’s display.
Function modifiers:
FILTER An 8 Hertz low-pass filter for rejecting noise and signals above 8 Hz
is inserted to stabilize measurements. The filter is active when this soft
key label is highlighted and will increase stabilization time or the
measurement.
2ND MEAS Cycles the secondary display through the measurement functions
listed below, and then off. When a second measurement function is
selected, the 2ND MEAS soft key label is highlighted.
IAC - Displays the ac current riding on the dc current measurement.
Measuring AC Current
To measure ac current:
1. Connect the test leads between the Meter’s input connectors and the measured circuit
as shown in Figure 4-4 or Figure 4-5, based on the anticipated level of current.
2. Press K.
0.0333
uA
~
F1 F2 F3 F4 F5
caw08f.eps
3. With the test leads connected to the 100 mA and Input LO connectors, press the mA
soft key as shown above, if not already highlighted. If the test leads are connected to
the 10A and Input LO connectors, then press the 10A soft key.
4. Apply power to the measured circuit and read the current in the Meter’s display.
Function modifiers:
Filter Displays the filter menu. For best accuracy and stable readings,
choose a filter based on the lowest frequency to be measured.
3HZ SLOW Provides higher measurement accuracy on ac signals
between 3 Hz and 20 Hz. However, the measurement
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