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Making Measurements
Measuring Current 4
4-9
2
INPUT SENSE
HI
LO
FRONT
REAR
10 A
1V
100
mA
4
W
HI
LO
2W/4W
V
300V
FUSED
1000 V CAT I
600V CAT II
Ground tab
caw060.eps
Figure 4-3. Input Connections for 4-wire ohms using 2x4 wire leads.
Function modifiers:
FILTER An 8 Hertz filter is inserted to stabilize the measurement. The filter is
active when this soft key’s label is highlighted.
Refer to the “Range Keys” section in Chapter 3 of this manual for information on how to
adjust the measurement range.
Measuring Current
The Meter is capable of making both ac and dc current measurements up to 10 A. Two
separate input connectors, in conjunction with the LO connector, are used for current
measurements. For best resolution, current measurements not exceeding 100 mA should
be made using the LO and mA input connectors as shown in Figure 4-4.
WCaution
To avoid blowing the current input fuse or possibly damaging
the Meter:
• Current measurements between 120 mA and 10 A should be
measured using only the 10 A and LO input connectors.
• BEFORE applying power to the circuit to be measured, ensure the test
leads are correctly connected to the Meter inputs appropriate for the
expected current.
• Exceeding 400 mA on the 100 mA input connector or exceeding 11 A
on the 10 Amp connector will blow the internal fuse.
Current measurements expecting to be between 120 mA and 10 A are made using the
Input LO and 10A input connectors as shown in Figure 4-5.
1.888.610.7664 sales@GlobalTestSupply.com
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