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SIG
L
ENT
92 SDM3055 Digital Multimeter
Loading Errors (AC Voltage)
In the AC Voltage function, the input of SDM3065X
appears as a 1MΩ
resistance in parallel with 100pF of capacitance. The test lead that you use to
connect signals to the Multimeter will also add additional capacitance and
loading. The approximate input resistances of the Multimeter at different
frequencies are listed in the following table.
Table 5- 2 Approximate Input Resistances at Different Frequencies
Input Frequency
Input Resistance
100Hz
1MΩ
1kHz
850kΩ
10kHz
160kΩ
100kHz
16kΩ
For low frequencie
s:
Error
(
%
)
=
×100%
For high frequencies:
Error
(
%
)
=[
-1] ×100%
F
: input frequency
R
s
: source resistance
C
m
: input capacitance (100pF) plus test lead capacitance
Содержание SDM3065X
Страница 1: ...User Manual SDM3065X Digital Multimeter UM06036 E01B 2017 SIGLENT TECHNOLOGIES CO LTD ...
Страница 2: ......
Страница 27: ...SIGLENT SDM3055 Digital Multimeter 15 Temperature Measurement For RTD and thermcouple sensors ...
Страница 78: ...SIGLENT 66 SDM3055 Digital Multimeter Diagram 2 39 System Information ...