Bender ISOMETER isoES425 Quick Start Manual page 16

Insulation monitoring device for unearthed ac, ac/dc and dc power supplies it systems for energy storage up to ac/dc 400 v, software version: d0471 v1.xx
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Überwachtes IT-System
Netznennspannung
n
Toleranz von
.......................................................................................................................................................25 %
n
Frequenzbereich von
n
Messkreis
Messspannung
.............................................................................................................................................. ± 12 V
m
Messstrom
bei
........................................................................................................................................ ≤ 110 μA
m
F
Innenwiderstand
...........................................................................................................................................≥ 115 kΩ
i
Zulässige Netzableitkapazität
Zulässige Fremdgleichspannung
Ansprechwerte
Ansprechwert
........................................................................................................................ 2...990 kΩ (69 kΩ)*
an1
Ansprechwert
........................................................................................................................ 1...980 kΩ (23 kΩ)*
an2
Ansprechunsicherheit
Hysterese
............................................................................................................................ 25 %, mindestens 1 kΩ
an
Unterspannungserkennung U<.........................................................................................................10...499 V (off)*
Überspannungserkennung U>..........................................................................................................11...500 V (off)*
Ansprechunsicherheit .......................................................................................................... ±5%, mindestens ± 5 V
Frequenzabhängige Ansprechunsicherheit ≥ 400 Hz...............................................................................-0,015 %/Hz
Hysterese U..................................................................................................................................... 5 %, mindestens 5 V
Zeitverhalten
Ansprechzeit
bei
= 0,5 x
an
F
Anlaufverzögerung ............................................................................................................................. 0...10 s (0 s)*
Ansprechverzögerung
Rückfallverzögerung
off
Anzeigen, Speicher
Anzeige........................................................................................................ LC-Display, multifunktional, unbeleuchtet
Anzeigebereich Messwert Isolationswiderstand (
Betriebsmessunsicherheit
Anzeigebereich Messwert Netznennspannung (
Betriebsmessunsicherheit....................................................................................................... ±5 %, mindestens ±5 V
16
.................................................................................... 3 (N)AC, AC 0...400 V/DC 0...400 V
.......................................................................................................................DC, 15...460 Hz
.......................................................................................................................≤ 100 μF
e
..................................................................................................................≤ 700 V
fg
.................................................................................................. ±15 %, mindestens ±1 kΩ
an
und
=1 μF nach IEC 61557-8 ................................................................. ≤ 10 s
an
e
..................................................................................................................... 0...99 s (0 s)*
on
........................................................................................................................ 0...99 s (0 s)*
............................................................................................. ±15 %, mindestens ±1 kΩ
F
).............................................................................. 1 kΩ...4 MΩ
F
)...............................................................................0...500 V
n
isoES425_D00214_00_Q_DEEN/08.2017
RMS

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