Hioki ST5540 - Network Section

10.4 Accuracy
259
8
9
Chapter 10 Specifications
10
Protective conductor current accuracy
Measurement of DC
Measurement of AC/AC + DC
(During AC measurements, the frequency characteristics of the high-pass filter (fc=4 Hz) is added)
ACPeak
Network accuracy
Range Guaranteed accuracy range Measurement resolution Accuracy
50.00 mA 12.00 mA to 50.00 mA 10 A ± 2.0%rdg.±6dgt.
10.00 mA 1.30 mA to 13.00 mA 10
A ± 2.0%rdg.±6dgt.
Range Guaranteed
accuracy range
Measurement
resolution
Accuracy
15 Hz f 100 kHz 100 kHz < f 1 MHz
50.00 mA 12.00 mA to 50.00 mA 10
A ± 2.0%rdg.±6dgt. ± 5.0%rdg.±20dgt.
10.00 mA 1.30 mA to 13.00 mA 10
A ± 2.0%rdg.±6dgt. ± 5.0%rdg.±20dgt.
Range Guaranteed
accuracy range
Measurement
resolution
Accuracy
15Hz f 10 kHz 10 kHz <f 100 kHz 100 kHz < f 1 MHz
75.0 mA 12.0 mA to 75.0 mA 100
A ± 2%rdg.±6dgt. ± 5.0%f.s. ± 25.0%f.s.
10.00 mA 1.30 mA to 13.00 mA 10
A ± 2.5%f.s. ± 5.0%f.s. ± 25.0%f.s.
Network Section
Network name/filter status
Characteristic*1, *2
DC input resistance
Frequency range
with
±1% deviation
Cut-off frequency
(-3 dB points*4)
A/Filter OFF
*3
1 k ±1%
100 kHz or lower
–
A/Filter ON
1 k
 ±1% –
1326 ±20 Hz
B1
*
, B2
*
/ Filter OFF
*3
1 k ±1%
100 kHz or lower
–
B1
*
, B2
*
/ Filter ON
1 k
 ±1% – 1047 ±16 Hz
C/Filter OFF
2 k
 ±1% – 1811 ±27 Hz
C/Filter ON1
2 k
 ±1% – 3470 ±104 Hz
*4
C/Filter ON2
2 k
 ±1% – 9100 ±273 Hz
*4
D
1.5 k
 ±1% – 705 ±15 Hz
E
*3
1 k ±1%
100 kHz or lower
–
F
2 k
 ±1%
100 kHz or lower
–
G
875
 ±1% –
1997 Hz±27 Hz
*
only ST5540
Network
name/filter
status
Accuracy (Deviation from theoretical value. Includes accuracy of internal voltmeter)
Measured current AC, AC+DC ACpeak
range
50 mA, 5 mA,
500
A
50
A 75 mA, 10 mA 1 mA, 500 A
A/Filter
OFF
*3
0.1Hz <
f <10 kHz
10 kHz f
< 100 kHz
100 kHz
f 1MHz
± 4%rdg.±10dgt. ± 4%f.s.
––
A/Filter
ON
0.1Hz <f <10 kHz
10 kHz f
< 100 kHz
100 kHz
f 1MHz
± 4%rdg.±10dgt.
± 1.5dBrdg.±10dgt.
± 1.5dBrdg.±10dgt.
± 4%f.s.
± 1.5dBrdg.±2%f.s.
± 1.5dBrdg.±2%f.s.
––
B1
*
, B2
*
/
Filter
OFF
*3
0.1Hz <
f <10 kHz
10 kHz f
< 100 kHz
100 kHz
f 1MHz
± 4%rdg.±10dgt. ± 4%f.s.
––