Bender ISOMETER isoES425 Manual page 29

Supply voltage
Supply voltage U
s
Tolerance of U
s
Frequency range of U
s
Power consumption
Monitored IT system
Nominal system voltage U
Tolerance of U
n
Frequency range of U
n
Measuring circuit
Measuring voltage U
m
Measuring current I at R
m
Internal resistance R
i
Permissible system leakage capacitance C
Permissible extraneous DC voltage U
Response values
Response value R
an1
Response value R
an2
Relative uncertainty R
an
Hysteresis R
an
Undervoltage detection
Overvoltage detection
Relative uncertainty U
Relative uncertainty depending on the frequency
≥ 400 Hz
Hysteresis U
n
= 0
F
e
fg
isoES425_D00214_01_M_XXEN/10.2023
ISOMETER® isoES425
AC 100...240 V
DC 24...240 V
–30...+15 %
47...63 Hz
≤ 3 W, ≤ 9 VA
3(N)AC, AC/DC 0...400 V
+25 %
DC, 15...460 Hz
±12 V
≤ 110 A
≥ 115 k
≤ 100 F
≤ 700 V
2...990 k (69 k )*
1...980 k (23 k )*
±15 %, at least ±1 k
25 %, at least 1 k
10...499 V (off)*
11...500 V (off)*
±5 %, at least ±5 V
–0,015 %/Hz
5 %, at least 5 V
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