Chapter II
18
DMM230
Contents
GENERAL INSTRUCTIONS .................................................... 19
Precautions and safety measures ......................................... 19
Before using .................................................................. 19
When using the instrument ............................................ 20
Symbols ........................................................................ 20
Instructions .................................................................... 20
Cleaning ........................................................................ 21
Guarantee ............................................................................ 21
Maintenance ......................................................................... 21
Unpacking - Repacking ......................................................... 21
GENERAL INSTRUCTIONS .................................................... 22
Controls and Terminals ......................................................... 22
Symbols and Abbreviations................................................... 22
OPERATING INSTRUCTIONS ................................................ 23
DC voltage measurements ................................................... 23
AC voltage measurements (frequency, duty cycle) ................ 23
DC current measurements .................................................... 24
Temperature measurements ................................................. 25
Capacity measurements ....................................................... 25
AC current measurements (frequency, duty cycle) ................ 25
Resistance measurements ................................................... 26
Continuity test ....................................................................... 27
Diode test ............................................................................. 27
Duty cycle/frequency measurements (Electronic) .............. 28
Autoranging/Manual selection ........................................... 28
MAX/MIN .......................................................................... 28
Relative mode ................................................................... 29
Backlighting ...................................................................... 29
HOLD ................................................................................ 29
AUTO POWER OFF ......................................................... 29
Low battery indication ....................................................... 29
MAINTENANCE ...................................................................... 30
Battery installation ................................................................ 30
Replacing the fuses .............................................................. 31
TECHNICAL FEATURES......................................................... 31