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19 Specifications
ACCURACY
Accuracies apply for 1 year 19°C to 25°C. Temperature coefficient outside these limits is <0.1 x
quoted range accuracy per °C. Warm-up time to rated accuracy is 1 hour.
DC Volts
Range
100mV
1000mV
10V
100V
1000V
Typical Input
Impedance:
Maximum Input:
NMR:
1kΩ Unbalanced CMR:
Recommended maximum peak AC plus DC voltage while measuring DC voltage
Range
100mV, 1000mV
10V
These values only apply when the DC component does not exceed the range maximum and the
analogue 50/60Hz rejection filter is enabled.
AC Volts (True RMS)
Range
45Hz - 10kHz
100mV
0.2% ± 150 dig
1000mV
0.2% ± 100 dig
10V
0.2% ± 100 dig
100V
0.2% ± 100 dig
750V
0.2% ± 100 dig
Accuracy specifications apply for readings between 10,000 and 120,000 counts. Maximum crest
factor = 3 at nominal range maximum.
Input Impedance:
Maximum Input:
1kΩ Unbalanced CMR:
(AC + DC) Voltage Accuracy
Total measurement error will not exceed the sum of the separate ac and dc accuracy specifications
plus 10 display counts.
Accuracy
0.02% ± 3 dig. (after null)
0.02% ± 3 dig.
0.02% ± 3 dig.
0.02% ± 3 dig.
0.02% ± 3 dig.
10MΩ//<1000pF, except for Vdc plus Vac measurement when the
1MΩ ac attenuator is in parallel with the 10MΩ dc attenuator.
1kV DC or AC peak, any range.
>60dB at 50/60Hz.
>90dB at DC/50Hz/60Hz.
Range
AC
+DC
pk
1.8V
100V
18V
1000V
Accuracy
10kHz - 30kHz
1.5% ± 200 dig.
0.5% ± 100 dig
0.5% ± 100 dig
0.5% ± 100 dig
0.5% ± 100 dig
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Resolution
1uV
10uV
100uV
1mV
10mV
The table shows the maximum peak AC
AC
+DC
pk
(45Hz-50kHz) plus DC voltage that can be
180V
applied without affecting the accuracy of the
DC measurement due to overload clamping.
1000V
30kHz - 50kHz
-
2% ± 200 dig
2% ± 200 dig
2% ± 200 dig
2% ± 200 dig
1MΩ//<1000pF
750V rms, 1000V peak; any range.
>60dB at DC/50Hz/60Hz
Resolution
1µV
10µV
100uV
1mV
10mV
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