Amprobe 37XR-A Professional-Digital-Multimeter User Manual
Page 8

1
37XR-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 (
-or -) Indication..................................................3
Measuring DC Voltage ..................................... See Figure
-1-
........................4
Measuring AC Voltage (True rms).......... See Figure
-2 - & -3-
........................4
Preparing for Current Measurements...............................................................4
Measuring DC Current ..................................... See Figure
-4-
........................4
Measuring AC Current (True rms)........... See Figure
-3- & -5-
........................4
Measuring Resistance ..................................... See Figure
-6-
........................5
Testing for Continuity ...................................... See Figure
-7-
........................5
Testing Diodes ................................................. See Figure
-8-
........................5
Measuring Capacitance ................................... See Figure
-9-
........................5
Measuring Inductance ................................... See Figure
-10-
........................6
Measuring Frequency .................................... See Figure
-11-
........................6
Measuring Dutycycle .................................... See Figure
-12-
........................6
Measuring dBm ............................................ See Figure
-13-
........................6
Testing Logic Levels ..................................... See Figure
-14-
........................6
Additional Features .............................................................................................7
Input Test Lead Warning..................................................................................7
True-rms Measurements .................................................................................7
MIN MAX AVG Measurements .........................................................................7
Peak Hold Measurements ................................................................................7
Beeper Off........................................................................................................8
Auto Power Off ................................................................................................8
REL (Relative) Measurements..........................................................................8
HOLD Measurements.......................................................................................8
Backlight ..........................................................................................................8
Product Maintenance ..........................................................................................9
Battery and Fuse Replacement....................... See Figure
-15-
........................9
Repair .................................................................................................................9
WARRANTY ...................................................................................................10
Specifications ...................................................................................................11
Use
rs
Ma
nua
l