Fluke 8845A, Руководство пользователя

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8845A/8846A
Users Manual
4-4
Measuring Voltage
The Meter is capable of measuring up to 1000 V dc, 750 V ac (8845A) or 1000 V ac
(8846A).
W
Caution
To avoid blowing the current fuses and possible damage to
other equipment, do not apply voltage to the meter’s input until
the test leads are properly connected to the input, and the
proper voltage function selected.
Measuring DC Voltage
To make a dc voltage measurement:
1.
Press
E
.
The dc voltage icon
|
will appear to the right of the displayed value as shown
below.
-0.00169 8
V
F1 F2 F3 F4 F5
caw021.eps
2. Connect the test leads to the Meter’s inputs as shown in Figure 4-1.
3. Connect the test leads to the circuit and read the measured voltage in the Meter’s
display.
2
INPUT SENSE
HI
LO
FRONT REAR
10A
1V
00
mA
4W
HI
LO
2W/4W
V
300V
FUSED
1000 V CAT I
600V CAT II
4
Circ u it
Under
Test
caw019.eps
Figure 4-1. Input Connections for Voltage, Resistance, and Frequency Measurements
Function modifiers:
D FLTR
A filter for quieting noisy measurments. This filter averages readings
to reduce reading noise when in immedicate trigger mode or when in
trigger mode with an unending number of triggers selected. The filter