16-2
IM 2558A-01EN
16.2 Accuracy
Item
Specifications
AC Voltage
Conditions: Frequency:
Using the internal oscillator
Temperature, humidity:
23°C±3°C, 20%RH to 80%RH
When the temperature is in the range of 5°C to 20°C or 26°C to
40°C, add the temperature coefficient.
Output terminals:
LO terminal grounding
Measurement bandwidth: Up to 50 kHz
Output range: 10% to 120% of range
Range
Display
Resolution
Accuracy (180 days), ±(% of S % of Range)
1, 2
50 Hz/60 Hz
40 Hz ≤ f ≤ 400 Hz 400 Hz < f ≤ 1 kHz
100 mV
10 µV
0.03 + 0.01
3
0.05 + 0.01
0.10 + 0.02
1 V
100 µV
10 V
1 mV
100 V
10 mV
300 V
10 mV
1000 V
100 mV
Output range: 1% to 10% of range
Range
Display
Resolution
Accuracy (180 days), ±(% of Range)
1, 4
50 Hz/60 Hz
40 Hz ≤ f ≤ 400 Hz 400 Hz < f ≤ 1 kHz
100 mV
10 µV
0.013
0.015
0.03
1 V
100 µV
10 V
1 mV
100 V
10 mV
300 V
10 mV
1000 V
100 mV
1 Excludes voltage drop due to the output resistance
2 Add ±(0.01% of Setting) for the 1 year accuracy.
3 For all voltage and current ranges, if the output range is between 120% to 144% of the range
and the output frequency is 50 Hz or 60 Hz, add 0.1% of range to the accuracy.
4 Add ±(0.001% of Range) for the 1 year accuracy.
AC Current
Conditions: Frequency:
Using the internal oscillator
Temperature, humidity:
23°C±3°C, 20%RH to 80%RH
When the temperature is in the range of 5°C to 20°C or 26°C to
40°C, add the temperature coefficient.
Output terminals: LO terminal grounding
Measurement bandwidth: Up to 50 kHz
Output range: 10% to 120% of range
Range
Display
Resolution
Accuracy (180 days), ±(% of S % of Range)
1
50 Hz/60 Hz
40 Hz ≤ f ≤ 400 Hz 400 Hz < f ≤ 1 kHz
100 mA
10 µA
0.04 + 0.01
2
0.06 + 0.01
0.12 + 0.02
1 A
100 µA
10 A
1 mA
50 A
1 mA
Output range: 1% to 10% of range
Range
Display
Resolution
Accuracy (180 days), ±(% of Range)
3
50 Hz/60 Hz
40 Hz ≤ f ≤ 400 Hz 400 Hz < f ≤ 1 kHz
100 mA
10 µA
0.014
0.016
0.032
1 A
100 µA
10 A
1 mA
50 A
1 mA
1 Add ±(0.0015% of Range) for the 1 year accuracy.
2 For all voltage and current ranges, if the output range is between 120% to 144% of the range
and the output frequency is 50 Hz or 60 Hz, add 0.1% of range to the accuracy.
3 Add ±(0.015% of Setting) for the 1 year accuracy.