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Chapter 8 Specifications
AC Characteristics
AC Characteristics
Function
Range [ 3 ]
True RMS
100.0000 mV
AC Voltage
[ 4 ]
1.000000 V
to
750.000 V
True RMS
1.000000 A
AC Current
[ 4 ]
3.00000 A
Additional Low Frequency Errors ( % of reading )
Frequency
10 Hz – 20 Hz
20 Hz – 40 Hz
40 Hz – 100 Hz
100 Hz – 200 Hz
200 Hz – 1 kHz
> 1 kHz
Sinewave Transfer Accuracy ( typical )
Frequency
10 Hz – 50 kHz
50 kHz – 300 kHz
218
Accuracy Specifications
24 Hour [ 2 ]
Frequency
23°C 1°C
3 Hz – 5 Hz
1.00 + 0.03
5 Hz – 10 Hz
0.35 + 0.03
10 Hz – 20 kHz
0.04 + 0.03
20 kHz – 50 kHz
0.10 + 0.05
50 kHz – 100 kHz
0.55 + 0.08
100 kHz – 300 kHz
4.00 + 0.50
[6]
3 Hz – 5 Hz
1.00 + 0.02
5 Hz – 10 Hz
0.35 + 0.02
10 Hz – 20 kHz
0.04 + 0.02
20 kHz – 50 kHz
0.10 + 0.04
50 kHz – 100 kHz
0.55 + 0.08
[5]
100 kHz – 300 kHz
4.00 + 0.50
[6]
3 Hz – 5 Hz
1.00 + 0.04
5 Hz – 10 Hz
0.30 + 0.04
10 Hz – 5 kHz
0.10 + 0.04
3 Hz – 5 Hz
1.10 + 0.06
5 Hz – 10 Hz
0.35 + 0.06
10 Hz – 5 kHz
0.15 + 0.06
AC Filter
Slow
Medium
Fast
0
0.74
––
0
0.22
––
0
0.06
0.73
0
0.01
0.22
0
0
0.18
0
0
0
Error ( % of range )
Conditions:
0.002%
- Sinewave input.
0.005%
- Within 10 minutes and
- Within 10% of initial voltage and 1% of initial frequency.
- Following a 2-hour warm-up.
- Fixed range between 10% and 100% of full scale ( and <120 V ).
- Using 6
- Measurements are made using accepted metrology practices.
( % of reading + % of range ) [ 1 ]
1 Year
90 Day
23°C 5°C
23°C 5°C
1.00 + 0.04
1.00 + 0.04
0.35 + 0.04
0.35 + 0.04
0.05 + 0.04
0.06 + 0.04
0.11 + 0.05
0.12 + 0.05
0.60 + 0.08
0.60 + 0.08
4.00 + 0.50
4.00 + 0.50
1.00 + 0.03
1.00 + 0.03
0.35 + 0.03
0.35 + 0.03
0.05 + 0.03
0.06 + 0.03
0.11 + 0.05
0.12 + 0.05
0.60 + 0.08
0.60 + 0.08
4.00 + 0.50
4.00 + 0.50
1.00 + 0.04
1.00 + 0.04
0.30 + 0.04
0.30 + 0.04
0.10 + 0.04
0.10 + 0.04
1.10 + 0.06
1.10 + 0.06
0.35 + 0.06
0.35 + 0.06
0.15 + 0.06
0.15 + 0.06
Additional Crest Factor Errors ( non-sinewave )
Crest Factor
1 – 2
2 – 3
3 – 4
4 – 5
0.5°C.
1
digit resolution.
2
Temperature
Coefficient/°C
0°C – 18°C
28°C – 55°C
0.100 + 0.004
0.035 + 0.004
0.005 + 0.004
0.011 + 0.005
0.060 + 0.008
0.20 + 0.02
0.100 + 0.003
0.035 + 0.003
0.005 + 0.003
0.011 + 0.005
0.060 + 0.008
0.20 + 0.02
0.100 + 0.006
0.035 + 0.006
0.015 + 0.006
0.100 + 0.006
0.035 + 0.006
0.015 + 0.006
[ 7 ]
Error ( % of reading )
0.05%
0.15%
0.30%
0.40%
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