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Elma 22 - 25 - 27 Side 8
6) Specifikationer
GENERELLE SPECIFIKATIONER
Display og opdateringshastighed:
BM22: 3-3/4 cifre 4000 tællinger; 3 opdateringer pr. sekund nominelt
BM25 og BM27: 3-5/6 cifre 6000 tællinger; 5 opdateringer pr. sekund nominelt
Driftstemperatur: 0
o
C ~ 40
o
C
Relativ luftfugtighed: Maksimal relativ luftfugtighed er 80 % for temperaturer op til 31
o
C
faldende lineært til 50 % relativ luftfugtighed ved 40
o
C
Højde: Drift under 2000 m højde
Opbevaringstemperatur: -20
o
C ~ 60
o
C, < 80 % relativ luftfugtighed (med batteriet udtaget)
Temperaturkoefficient: Nominelt 0,15 x (specifik nøjagtighed)/
o
C ved (0
o
C ~ 18
o
C eller
28
o
C ~ 40
o
C), eller andet specificeret
Registrering: Gennemsnitsregistrering
Forureningsgrad: 2
Sikkerhed: Overholder IEC61010-1 (1. udg. + A1 & A2), UL61010B-1 (1.
udg.), CAN/CSA-C22.2 nr. 1010.1-92
Transientbeskyttelse: 4 kV lynoverspænding (1,2/50 μs)
Målingskategori:
BM22 og BM27: Kategori II 600 V og Kategori III 300 V
BM25: Kategori II 450 V og Kategori III 300 V
EMC: Overholder EN61326 (1997, 1998/A1), EN61000- 4-2 (1995) og
EN61000-4-3 (1996)
I et RF-felt på 3 V/m:
Kapacitetsfunktionen er ikke specificeret
Andre funktionsområder:
Total nøjagtighed = Specificeret nøjagtighed + 45 cifre
Ydelse over 3 V/m er ikke specificeret
Overbelastningsbeskyttelse:
BM22 og BM27: 600 VDC og VAC rms
BM25: 450 VDC og VAC rms
Lav batterispænding: Under ca. 2,4 V
Strømforsyning: 3 V fladt standardbatteri x 1 (IEC-CR2032; ANSI-NEDA-5004LC)
Strømforbrug (typisk):
BM22 og BM25: 2 mA
BM27: 6 mA ved Spændings-funktioner på positionen Auto-VΩ, og 2 mA
ved andre funktioner
Forbrug efter auto-sluk (typisk): 2,2 μA
Tidspunkt for auto-sluk:
BM22: Ubrugt i 30 minutter
BM25 og BM27: Ubrugt i 3 minutter
Mål/vægt: L 113 mm x B 53 mm x H 10,2 mm / ca. 78 gram
Specialfunktioner:
BM22: Data-hold og 30 ms MAX-hold
BM25 og BM27: AutoCheck
TM
(automatisk valg af V og Ω) og EF-Detektion
Tilbehør: Monteret batteri samt betjeningsvejledning
Ekstra tilbehør: BH-20R beskyttelseshylster og BSC-20 blød transporttaske
Elektriske specifikationer
Nøjagtigheden er anført som +/- (% af målingscifre + antallet af cifre) og ellers specificeret ved
23
o
C +/- 5
o
C og en relativ luftfugtighed på mindre end 75 %.
9


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