29
Table of Contents
Introduction..........................................................................................................................................28
Intended Use ......................................................................................................................................30
Controls ..............................................................................................................................................31
Safety Instructions ..............................................................................................................................32
Product Description ............................................................................................................................34
Delivery Contents................................................................................................................................35
Display Information and Symbols........................................................................................................36
Measuring Mode..................................................................................................................................37
a) Switching on the Measuring Instrument ................................................................................37
b) Measuring Voltage “V”............................................................................................................38
c) Measuring Current “A” .......................................................................................................... 38
d) Measuring Frequency “ (only VC270 and VC290) ................................................................40
e) Measuring Resistance ..........................................................................................................40
f) Diode Test..............................................................................................................................41
g) Continuity Check....................................................................................................................41
h) Measuring Capacity (only VC270 and VC290)......................................................................42
i) Battery Test “ (only VC250)....................................................................................................42
RELFunction (only VC270 and VC290)......................................................................................43
HOLD Function (only VC290)......................................................................................................43
Low Imp. 400 kΩ Function (only VC250 and VC270) ................................................................43
Auto-Power-Off Function (only VC270 and VC290)....................................................................43
Cleaning and Maintenance..................................................................................................................44
General........................................................................................................................................44
Cleaning......................................................................................................................................44
Opening the Measuring Instrument ............................................................................................44
Changing the Fuse......................................................................................................................45
Inserting and Changing the Battery (only VC250 and VC270)....................................................46
Charging the VC290....................................................................................................................46
Disposal ..............................................................................................................................................47
Troubleshooting ..................................................................................................................................47
Technical Data.................................................................................................................................... 48