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AM-540 Advanced HVAC Multimeter
AM-550 Industrial Multimeter
AM-540-EUR / AM-550-EUR Digital Multimeter
CONTENTS
SYMBOL .................................................................................................................2
SAFETY INFORMATION .........................................................................................2
UNPACKING AND INSPECTION .............................................................................3
FEATURES ...............................................................................................................4
MAKING MEASUREMENT .....................................................................................5
Rotary Switch Positions ....................................................................................6
Function Buttons ..............................................................................................6
Measuring AC and DC Voltage ........................................................................9
Low Pass Filter ...................................................................................................9
Measuring Frequency / Duty Cycle ...................................................................11
Measuring AC and DC Current ........................................................................13
Measuring Resistance .......................................................................................14
Measuring Continuity ......................................................................................15
Measuring Capacitance ....................................................................................16
Measuring Diode ...............................................................................................17
Measuring Temperature °C / °F ........................................................................18
Non-Contact Voltage Sensing ..........................................................................19
SPECIFICATION ......................................................................................................20
MAINTENANCE ......................................................................................................24
BATTERY AND FUSE REPLACEMENT .....................................................................25
Summary of Contents for AM-540
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