Amprobe 38XR-A Professional-Digital-Multimeter Uživatelský manuál Strana 5

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38XR-A Digital Multimeter
Contents
Safety Information ..............................................................................................2
Symbols Used in this Manual ..........................................................................2
Introduction........................................................................................................3
Making Measurements........................................................................................3
Verify Instrument Operation.............................................................................3
Range Selection...............................................................................................3
Correcting an Overload (oor -o) Indication W ............................................3
Measuring DC Voltage .................................................... See Figure -1- .........4
Measuring AC + DC Voltage (True rms).................See Figure -2- & -3- .........4
Measuring AC Voltage (True rms)..........................See Figure -2- & -3- .........4
Preparing for Current Measurements...............................................................4
Measuring DC Current .................................................... See Figure -4- .........5
Measuring AC or AC+DC Current (True rms)............... Figure -3- & -5- .........5
Measuring Resistance .................................................... See Figure -6- .........5
Testing for Continuity ..................................................... See Figure -7- .........6
Testing Diodes................................................................ See Figure -8- .........6
Measuring Capacitance .................................................. See Figure -9- .........6
Measuring Temperature ............................................... See Figure -10- .........6
Measuring Frequency ................................................... See Figure -11- .........7
Measuring Dutycycle ................................................... See Figure -12- .........7
Measuring dBm ........................................................... See Figure -13- .........7
Measuring 4-20 mA Loop Current ..................................................................7
Additional Features .............................................................................................7
Input Test Lead Warning..................................................................................7
True-rms Measurements .................................................................................8
MIN MAX AVG Measurements.........................................................................8
Peak Hold Measurements ................................................................................8
Beeper Off........................................................................................................9
Auto Power Off ................................................................................................9
REL (Relative) Measurements..........................................................................9
HOLD Measurements.......................................................................................9
RS232 Download Software (38SW).............................. See Figure -14- .......10
Backlight........................................................................................................10
Product Maintenance........................................................................................10
Battery and Fuse Replacement...................................... See Figure -15- .......10
Repair ...............................................................................................................11
WARRANTY...................................................................................................12
Specifications ...................................................................................................12
English
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