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Fluke 8845A Manual

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8845A/8846A
Bedienungshandbuch
1-24
Kapazität (nur 8846A)
Genauigkeit: ± (% Messwert + % Bereich)
Bereich Auflösung
1 Jahr Genauigkeit [1]
(23 ±5 °C)
Temperaturkoeffizient/ °C
Außenluft 18 bis 28 °C
1 nF 1 pF 2% ± 2,5 % 0,05 + 0,05
10 nF 10 pF 1% ± 0,5 % 0,05 + 0,01
100 nF 100 pF 1% ± 0,5 % 0,01 + 0,01
1 μF 1 nF 1% ± 0,5 % 0,01 + 0,01
10 μF 10 nF 1% ± 0,5 % 0,01 + 0,01
100 μF 100 nF 1% ± 0,5 % 0,01 + 0,01
1 mF 1 μF 1 % ± 0,5 % 0,01 + 0,01
10 mF 10 μF 1 % ± 0,5 % 0,01 + 0,01
100 mF 100 μF 4 % ± 0,2 % 0,05 + 0,05
[1] Angegebene Genauigkeit wird erreicht, wenn Zero-Funktion verwendet wird.
Temperatur (nur 8846A)
Prüfstrom ................................................................ 1 mA
Genauigkeit wird in ± °C angegeben und basiert auf einem Platin RT100 (DIN IEC 751, Typ 385)
Widerstands temperaturfühler mit weniger als 10 Ohm Messleitungswiderstand. Die in der Tabelle unten angegebene
Genauigkeit ist nur bei Verwendung der 4-Draht-Widerstandstemperaturfühler-Messfunktion gültig. Spezifikationen
schließen Sondengenauigkeit nicht ein (muss hinzugefügt werden).
Genauigkeit
Bereich Auflösung 90 Tage
(23 ±5 °C)
1 Jahr
(23 ±5 °C)
Temperaturkoeffizient/ °C
Außenluft 18 bis 28 °C
-200 °C 0,001 °C 0,06 0,09 0,0025
-100 °C 0,001 °C 0,05 0,08 0,002
0 °C 0,001 °C 0,04 0,06 0,002
100 °C 0,001 °C 0,05 0,08 0,002
300 °C 0,001 °C 0,1 0,12 0,002
600 °C 0,001 °C 0,18 0,22 0,002
Zusätzliche Fehler
Stellen NPLC Zusätzlicher NPLC-
Rauschfehler
6 ½ 100 0 °C
6 ½ 10 0 °C
5 ½ 1 0,03 °C
5 ½ 0,2 0,12 °C
4 ½ 0,02 0,6 °C
Kontinuität
Kontinuitätsschwelle ............................................... Zwischen 1 Ωund 1000 Ω wählbar.
Prüfstrom ................................................................ 1 mA
Ansprechzeit ........................................................... 300 Proben/Sekunde mit hörbarem Ton
Genauigkeit: ±(% Messwert + % Bereich)
Bereich 24 Stunden
(23 ±1 °C)
90 Tage
(23 ±5 °C)
1 Jahr
(23 ±5 °C)
Temperaturkoeffizient/ °C
Außenluft 18 bis 28 °C
1000,0 Ω 0,002 + 0,01 0,008 + 0,02 0,01 + 0,02 0,001 + 0,002
… 36 …


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