Actia Multi-Diag Scope User Manual

Chap. II - Multi-Diag Motortester
Scope_manual_en-v110.docx — 55 —
Fig. 124 – Coil primary winding measurement menu
5.3.1 PRIMARY WINDING VOLTAGE
If you confirm the first option, you will see the voltage course on the coil primary winding displayed in the form of
an oscilloscope course (the motortester is switched over to the oscilloscope mode). To return to the motortester
mode, click on the Motortester tab (see the cursor in Fig. 114).
The voltage is shown so that the screen displays exactly one complete course between two contacts openings
independently on engine speed, see Fig. 125.
The horizontal axis scale of the screen is in crankshaft degrees per one division (°CS/Div). This way it is possible
to monitor the breaker contacts course at different engine speeds and read the dwell angle as well.
Note:
The oscilloscope is set to optimum values
as a default
Fig. 125 – Voltage measurement on the primary winding of a HV coil
5.3.2 DWELL ANGLE MEASUREMENT
By confirming the second option, the dwell angle digital measuring is displayed, see Fig. 126

Actia Multi-Diag Scope Specifications

General

Brand	Actia
Model	Multi-Diag Scope
Category	Measuring Instruments
Language	English