Fluke 199C/S FE 192,196,199 C Users Manual - Page 107

AC Voltage VAC, AC+DC Voltage True RMS, Normal Mode DC Rejection

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AC Voltage (VAC) Maximum Voltage with 10:1 probe 1000 V direct (1:1 300 V Maximum Resolution with 10:1 probe 1 mV direct (1:1 100 µV Full Scale Reading 1100 counts Accuracy DC coupled: DC to 60 Hz 1.5 % +10 counts) AC coupled, low frequencies: 50 Hz direct (1:1 2.1 % + 10 counts) 60 Hz direct (1:1 1.9 % + 10 counts) With the 10:1 probe the low frequency roll off point will be lowered to 2 Hz, which improves the AC accuracy for low frequencies. When possible use DC coupling for maximum accuracy. AC or DC coupled, high frequencies: 60 Hz to 20 kHz 2.5 % + 15 counts) 20 kHz to 1 MHz 5 % + 20 counts) 1 MHz to 25 MHz 10 % + 20 counts) For higher frequencies the instrument's frequency roll off starts affecting accuracy. Normal Mode DC Rejection 50 dB 9 Specifications Automatic Scope Measurements All accuracies are valid if: • The waveform amplitude is larger than one division • At least 1.5 waveform period is on the screen AC+DC Voltage (True RMS) Maximum Voltage with 10:1 probe 1000 V direct (1:1 300 V Maximum Resolution with 10:1 probe 1 mV direct (1:1 100 µV Full Scale Reading 1100 counts Accuracy DC to 60 Hz 1.5 % + 10 counts) 60 Hz to 20 kHz 2.5 % + 15 counts) 20 kHz to 1 MHz 5 % + 20 counts) 1 MHz to 25 MHz 10 % + 20 counts) For higher frequencies the instrument's frequency roll off starts affecting accuracy. 99

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Specifications
Automatic Scope Measurements
9
99
AC Voltage (VAC)
Maximum Voltage
with 10:1 probe
...................................................
1000 V
direct (1:1)
............................................................
300 V
Maximum Resolution
with 10:1 probe
......................................................
1 mV
direct (1:1)
..........................................................
100 μV
Full Scale Reading
........................................
1100 counts
Accuracy
DC coupled:
DC to 60 Hz
................................
±
(1.5 % +10 counts)
AC coupled, low frequencies:
50 Hz direct (1:1)
.......................
±
(2.1 % + 10 counts)
60 Hz direct (1:1)
.......................
±
(1.9 % + 10 counts)
With the 10:1 probe the low frequency roll off point will
be lowered to 2 Hz, which improves the AC accuracy
for low frequencies. When possible use DC coupling
for maximum accuracy.
AC or DC coupled, high frequencies:
60 Hz to 20 kHz
.........................
±
(2.5 % + 15 counts)
20 kHz to 1 MHz
...........................
±
(5 % + 20 counts)
1 MHz to 25 MHz
.......................
±
(10 % + 20 counts)
For higher frequencies the instrument’s frequency roll
off starts affecting accuracy.
Normal Mode DC Rejection
.............................
>50 dB
All accuracies are valid if:
•
The waveform amplitude is larger than one division
•
At least 1.5 waveform period is on the screen
AC+DC Voltage (True RMS)
Maximum Voltage
with 10:1 probe
...................................................
1000 V
direct (1:1)
............................................................
300 V
Maximum Resolution
with 10:1 probe
......................................................
1 mV
direct (1:1)
..........................................................
100 μV
Full Scale Reading
........................................
1100 counts
Accuracy
DC to 60 Hz
..................................
±
(1.5 % + 10 counts)
60 Hz to 20 kHz
............................
±
(2.5 % + 15 counts)
20 kHz to 1 MHz
..............................
±
(5 % + 20 counts)
1 MHz to 25 MHz
...........................
±
(10 % + 20 counts)
For higher frequencies the instrument’s frequency roll off
starts affecting accuracy.