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Elma BM 82Xs &
BM52Xs
Side 20
Hvis instrument spændings-modstands input terminalerne er genstand for høje
spændingstransienter (forudsaget ved lyn nedbrud eller kortslutning i systemet) ved et
tilfælde eller unormale forhold ved funktion vil instrumentbeskyttelsen såsom sikringer
springe. Sørg altid for, at sikringer og andre vitale reservedele bliver udskiftet af en
teknikker.
Batteri og sikrings udskiftning
Batteri: 1 stk. 9V batteri.
Sikringer:
Sikring 1 (FS1) for A/mA strøm bøsning:
0.44A/1000V AC/DC, IR 10kA, Type F, 10 x 38 mm
Sikring 1 (FS2) for A strøm bøsning:
11A/1000Vac & Vdc, IR 20kA or better, F fuse; Dimension: 10 x 38 mm
Batteri udskiftning
Løsn de 2 skruer fra batteridækslet I bunden af
instrumentet. Åben dækslet og skub batteriholderen op.
Udskift batteriet. Skru skruerne fast igen.
Sikrings udskiftning
Løsn de 4 skruer fra bunden af instrumentet. Løft enden af
instrumentbunden tættest på bøsningerne, indtil det løsner
sig selv fra instrumentets top. Udskift de sprungne
sikringer. Påsæt bunden på igen, og sørg for at alt er tæt.
Skru skruerne fast igen.
Generelle specifikationer
Display: 9999 tællinger ved: ACV, DCV, Hz & nS
6000 tællinger ved: mV, A, mA, A, & kapacitans
Polaritet: Automatisk
Updateringsområde: Digitalt display: 5 pr. sek. Nominelt;
41 segments markør: 60 pr. sek. Maks
Lavt batteri: Under ca. 7V
Arbejdstemperatur: 0C til 45C
Relativ fugtighed: Maks. relativ fugtighed 80% for temperatur op til 31C
formindsket lineært til 50% relativ fugtighed ved 45C.
Forureningsgrad: 2
Opbevaringstemperatur: -20C til 60C, < 80% RH (uden batteri)
Højde: Funktion ved under 2000m
Temperaturkoefficient: Nominel 0,15 x (specificeret nøjagtighed)/ C @ (0C
- 18C eller 28C - 45C), eller som beskrevet.
20


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