Elma BM251s, User Manual, Page: 2 / 52

Dansk/Norsk brugermanual .............................................................................................. 5
Sikkerhed ............................................................................................................................ 5
Betingelser i denne manual .............................................................................................. 5
Advarsel: .......................................................................................................................... 5
Advarsel: .......................................................................................................................... 5
Terminaler (til COM bøsning) målekategori: ..................................................................... 5
Målekategori IV (Kat IV) ................................................................................................... 5
Målekategori III (Kat III) .................................................................................................... 5
Målekategori II (Kat II) ...................................................................................................... 5
Internationale elektriske symboler ................................................................................... 6
Cenelec direktiver .............................................................................................................. 6
Produktbeskrivelse ............................................................................................................ 7
Analog bar-graf ................................................................................................................ 7
Gennemsnits RMS kalibrering .......................................................................................... 7
Sand RMS ........................................................................................................................ 7
Crest faktor ....................................................................................................................... 8
NMRR (Normal mode rejection ratio) (normal funktion afslags forhold) ........................... 8
CMRR (Common mode rejection ratio) (common funktion afslags forhold) ..................... 8
Funktion .............................................................................................................................. 8
Autocheck funktion ........................................................................................................... 8
”Område lås” og funktions lås: ......................................................................................... 9
Overspændingsalarm: ...................................................................................................... 9
Spøgelsesspændinger: .................................................................................................... 9
DCV, ACV & liniefrekvens funktioner ............................................................................. 10
Ω modstand, gennemgang,
kapacitans, diode test funktioner ....................... 11
DCmV, ACmV, temperatur

C &

F funktioner ............................................................... 12
µA, mA og A funktioner .................................................................................................. 13
Elektrisk felt detektering ................................................................................................. 14
”Ikke kontakt” EF detektering ......................................................................................... 14
”Probe kontakt” EF detektering ...................................................................................... 14
PC interface funktioner ................................................................................................... 14
MAX/MIN ved 20 sek. målefunktion ............................................................................... 15
5ms Crest funktion ......................................................................................................... 15
Baggrunds belyst LCD display ....................................................................................... 15
Hold funktion .................................................................................................................. 15
Relativ nul funktion ......................................................................................................... 15
Manuel eller auto område ............................................................................................... 15
Sluk for beeper ............................................................................................................... 15
Advarsel for fejlmontering ............................................................................................... 16
Auto-sluk funktion (APO) ................................................................................................ 16
Fjernelse af auto-sluk funktionen ................................................................................... 16
Vedligeholdelse ............................................................................................................... 16
Rengøring og opbevaring ............................................................................................... 16
Problemløsning .............................................................................................................. 16
Batteri og sikrings udskiftning ......................................................................................... 16
Batteri og sikrings udskiftning ......................................................................................... 17
Generelle specifikationer ................................................................................................ 17
Elektriske specifikationer ................................................................................................ 18