Bender AGH420, Руководство пользователя

Страница: 59 / 72

Technical data
59 isoEV425_D00126_09_M_XXEN/03.2019
IT system being monitored
Nominal system voltage
U
n
with AGH420 .................................................... 3(N)AC, AC 0…690 V/DC 0…1,000 V
Tolerance of
U
n
........................................................................................................................... AC +15 %, DC +10 %
Nominal system voltage range
U
n
with AGH420 (UL508) ................................................................AC/DC 0…600 V
Frequency range of
U
n
..........................................................................................................................DC, 15…460 Hz
Measuring circuit
Permissible system leakage capacitance
C
e
(isoEV425)...................................................................................... ≤ 5 μF
Permissible system leakage capacitance
C
e
(isoEV425HC).............................................................................. ≤ 20 μF
Permissible extraneous DC voltage
U
fg
......................................................................................................... ≤ 1,150 V
Response values
Response value
R
an1
(isoEV425) ................................................................................................ 2…500 kΩ (500 kΩ)*
Response value
R
an1
(isoEV425HC)............................................................................................ 2…500 kΩ (200 kΩ)*
Response value
R
an2
(isoEV425) ................................................................................................ 1…490 kΩ (100 kΩ)*
Operating uncertainty
R
an
(
C
e
≤ 5 μF)...................................................................................... ±15 %, at least ±1 kΩ
Operating uncertainty
R
an
(
C
e
> 5 μF und
R
F
>100 kΩ)............................................... ±(5 % *
R
an
/100 kΩ +10 %)
Hysteresis
R
an
.................................................................................................................................. 25 %, at least 1 kΩ
Undervoltage detection ................................................................................................................. 30…1.14 kV (off)*
Overvoltage detection .....................................................................................................................31…1.15 kV (off)*
Relative uncertainty
U
.................................................................................................................... ±5 %, at least ±5 V
Relative uncertainty depending on the frequency
≥
200 Hz...................................................................... -0.03 %/Hz
Hysteresis
U
.......................................................................................................................................... 5 %, at least 5 V
Time response
Response time
t
an
at
R
F
= 0.5 x
R
an
and
C
e
=1 μF acc. to IEC 61557-8 ............................................................. ≤ 10 s
Start-up delay
t
...................................................................................................................................... 0…10 s (0 s)*
Response delay
t
on
................................................................................................................................. 0…99 s (0 s)*
Delay on release
t
off
............................................................................................................................... 0…99 s (0 s)*
Displays, memory
Display..................................................................................................... LC display, multi-functional, not illuminated
Display range measured value insulation resistance (R
F
) ........................................................................ 1 kΩ…1 MΩ
Operating uncertainty (
C
e
≤ 5 μF) ............................................................................................ ±15 %, at least ±1 kΩ
Operating uncertainty (
C
e
> 5 μF und
R
F
>100 kΩ) ...................................................... ±(5 % *
R
F
/100 kΩ +10 %)