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MI 3121 Smartec Isolation / Durchgang Technische Daten
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8 Technische Daten
8.1 Isolationswiderstand
Isolationswiderstand (Nennspannungen 50 VDC, 100 VDC und 250 VDC)
Der Messbereich nach EN61557 beträgt 0,25 MΩ ÷ 199,9 MΩ.
Messbereich (MΩ) Auflösung (MΩ) Genauigkeit
0,00 ÷ 19,99 0,01 ±(5 % der Anzeige + 3
Digits)
20,0 ÷ 99,9 ±(10 % der Anzeige)
100,0 ÷ 199,9 0,1 ±(20 % der Anzeige)
Isolationswiderstand (Nennspannungen 500 VDC, 1000 VDC)
Der Messbereich nach EN61557 beträgt 0,15 MΩ ÷ 30 GΩ.
Messbereich (Ω) Auflösung (MΩ) Genauigkeit
0,00 M ÷ 19,99 M 0,01 ±(5 % der Anzeige + 3
Digits)
20,0 M ÷ 199,9 M 0,1
200 M ÷ 299 M 1
300 M ÷ 999 M 1
±(5 % der Anzeige)
1,00 G ÷ 4,99 G 10 ±(10 % der Anzeige)
5,00 G ÷ 19,99 G 10 ±(20 % der Anzeige)
20,0 G ÷ 29,9 G 100 Anhaltswerte
Spannung
Messbereich (V) Auflösung (V) Genauigkeit
0 ÷ 1200 1 ±(3 % der Anzeige + 3
Digits)
Nennspannungen ..............................50 VDC, 100 VDC, 250 VDC, 500 VDC, 1000 VDC
Leerlaufspannung ..............................-0 % / +20 % der Nennspannung
Messstrom .........................................min. 1 mA bei RN=UN×1 kΩ/V
Kurzschlussstrom ..............................max. 3 mA
Anzahl der möglichen Prüfungen ......> 1200 bei voll geladener Batterie
Automatisches Entladen nach der Prüfung.
Die angegebene Genauigkeit gilt, wenn das Universal-Prüfkabel benutzt wird, bei
Benutzung des Tip Commanders gilt sie dagegen bis 100 MΩ.
Die angegebene Genauigkeit gilt bis 100 MΩ, wenn die relative Luftfeuchtigkeit > 85 %
ist.
Falls das Instrument feucht wird, kann das Ergebnis beeinträchtigt werden. In solchen
Fällen wird empfohlen, das Instrument und sein Zubehör mindestens 24 Stunden lang
zu trocknen.
Der Fehler bei Betriebsbedingungen kann allenfalls der Fehler bei
Referenzbedingungen (in der Anleitung für jede Funktion angegeben) ±5 % des
Messwerts sein.
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