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Chapter 8 Scope Multimeter
The Scope Multimeter function allows you to perform multiple types of circuit and component
measurement tests. This chapter includes general operation procedures, instructions for saving
and reviewing test data, optional settings, and general reference information.
8.1 Overview
The Scope Multimeter test functions are:
• Digital Multimeter (DMM)
• Graphing Multimeter (GMM)
• Lab Scope
8.1.1 Digital Multimeter (DMM)
The digital multimeter gives you the ability to quickly make precise common electrical
measurements (e.g. DC and AC voltage, resistance and amperage) on circuits and components
to verify operation. The meter displays measurements in a digital numerical format, and is typically
used for measuring signals that are not rapidly changing.
The DMM is ideal for performing basic tests on most standard automotive circuits, and displays
the results in a large easy to see format.
To use the DMM, select the Scope Multimeter icon from the home screen then select Digital
Multimeter from the menu. See Tests and Capabilities (Quick Reference)‚ on page 70 for a list of
available testing functions.
Specifications
Function Range Accuracy/Comments
Signal
Measurement
Ch. 1— (yellow jack)
Input is referenced to common ground
(GND— (black jack)
VDC (Full Scale) 75VDC Do not measure greater than 75VDC
VAC (Full Scale) 50VAC Do not measure greater than 50VAC (rms)
Signal
Measurement
Input Impedance
10 MΩ -
Ohm Measurement
Diode Test
Continuity Test
Ch. 1— (yellow jack (–))
Ch. 2— (green jack (+))
-
Ohms 40 Ω—4 MΩ Fixed scales or auto ranging
Glitch Capture Approximately 50 µS -
Diode test 2V scale -
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