Inhoudsopgave
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Model 187 & 189
Gebruiksaanwijzing
6
7
Onderhoud.................................................................................................................... 6-1
Inleiding ......................................................................................................................... 6-1
Algemeen onderhoud .................................................................................................... 6-1
De zekeringen testen ..................................................................................................... 6-1
De batterijen vervangen................................................................................................. 6-3
De zekeringen vervangen .............................................................................................. 6-5
Door de gebruiker te vervangen onderdelen ................................................................. 6-5
In geval van moeilijkheden............................................................................................. 6-5
Specificaties................................................................................................................. 7-1
Veiligheid en naleving van voorschriften........................................................................ 7-1
Fysieke specificaties ...................................................................................................... 7-2
Overzicht van kenmerken .............................................................................................. 7-3
Basisspecificaties........................................................................................................... 7-4
Gedetailleerde nauwkeurigheidsspecificaties ................................................................ 7-5
Gevoeligheid van de frequentieteller ............................................................................. 7-11
Maximale belastingsspanning (A, mA, µA) .................................................................... 7-11
Ingangsimpedantie ........................................................................................................ 7-12
iv
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