Amprobe AM-140-A User Manual
Page 6
CONTENTS
SYMBOLS ...............................................................................................................1
UNPACKING AND INSPECTION .............................................................................3
FEATURES ...............................................................................................................3
OPERATION ............................................................................................................5
AC Voltage, DC Voltage, DC+AC Voltage, &
Hz Line Level Frequency ....5
Hz Logic Level Frequency and % Duty Cycle functions .............................7
T1-T2 Dual Channels Temperature function (AM-160-A only) ......................8
Resistance,
Continuity functions ............................................................9
Capacitance,
Diode test function .....................................................9
µA, mA, A, and %4-20mA Current functions .................................................10
PC-COMM computer interface capabilities .....................................................11
MAX/MIN RECORDING mode ...........................................................................12
CREST Capture (Instantaneous Peak Hold) mode ..........................................12
Relative Zero mode ......................................................................................12
500000 high resolution stable mode ...............................................................12
Backlighted display ...........................................................................................12
Manual or Auto-ranging ..................................................................................13
Hold ...............................................................................................................13
Set Beeper Off ...................................................................................................13
Beep-Jack™ Input Warning ..............................................................................13
Intelligent Auto Power Off (APO) ....................................................................13
Disabling Auto Power Off ................................................................................13
SPECIFICATION .......................................................................................................14
MAINTENANCE AND REPAIR ................................................................................21
Trouble shooting ...............................................................................................22
Cleaning and Storage .......................................................................................22
Battery and Fuse replacement .........................................................................22