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8-2 Measuring Range and Accuracy
Accuracy: ±(% rdg + dgt)
rdg: reading, dgt: least significant digit
Temperature: 23
℃
±5
℃
, Humidity: <75 % R.H.
True RMS voltage and current accuracies are specified from 10 %
to 100 % of each range otherwise specified.
Crest factor: <2:1 (at full scale), <4:1 (at half scale)
DC Voltage DCV
DC voltage for single display
Range
Accuracy*
500.00 mV
5.0000 V
± (0.03 % rdg + 2 dgt)
50.000 V
± (0.04 % rdg + 2 dgt)
500.00 V
± (0.05 % rdg + 2 dgt)
1000.0 V
± (0.15 % rdg + 2 dgt)
Input impedance: 10 MΩ, 60 pF nominal
(80 pF nominal for 500.00 mV range)
* Accuracy in the 50000-count display mode
Accuracy in the 500000-count display mode is as follows.
±(Specified % of rdg + 20 dgt)
DC Voltage/AC Voltage for dual display
Range
Accuracy
500.00 mV
5.0000 V
50.000 V
500.00 V
1000.0 V
Main display
:
± (0.7 % rdg + 60 dgt)
Input impedance: 10 MΩ, 60 pF nominal
(80 pF nominal for 500.00 mV range)
Residual reading: Less than 50 digits with test leads shorted.
AC Voltage ACV and DC+AC Voltage DC+AC V
AC voltage/ Frequency for dual display
Range
Accuracy*
45 Hz
~
65 Hz
500.00 mV
5.0000 V
50.000 V
500.00 V
1000.0 V
± (0.5 % rdg + 40 dgt)
65 Hz
~
500 Hz
500.00 mV
± (0.8 % rdg + 40 dgt)
5.0000 V
50.000 V
500.00 V
± (1.0 % rdg + 50 dgt)
1000.0 V
± (1.5 % rdg + 50 dgt)
500 Hz
~
1 kHz
500.00 mV
± (0.8 % rdg + 40 dgt)
5.0000 V
50.000 V
500.00 V
1000.0 V
± (1.5 % rdg + 60 dgt)
1 kHz
~
20 kHz
500.00 mV
±1 dB**
5.0000 V
50.000 V
±2 dB**
500.00 V
±3 dB**
1000.0 V
Unspecified
Input impedance: 10 MΩ, 60 pF nominal
(80 pF nominal for 500.00 mV range)
Residual reading: Less than 50 digits with test leads shorted.
* From 5 % to 10 % of the range: ±(Specified % of rdg + 80 dgt)
** From 5 % to 10 % of the range: ±(Specified % of rdg + 180 dgt)
From 10 % to 15 % of the range: ±(Specified % of rdg + 100 dgt)