Elma 319s
side 27
A , mA and A Current functions
Press
SELECT
button momentarily to toggle between DC and AC
.
Last selection will be saved as
power up default for repeat measurement convenience.
*Note: When measuring a 3-phase system, special attention should be taken to the phase-to-
phase voltage which is significantly higher than the phase-to-earth voltage. To avoid exceeding the
voltage rating of the protection fuse(s) accidentally, always consider the phase-to-phase voltage as
the working voltage for the protection fuse(s).
IG-RPM, DWELL
, DUTY % & -ms functions
Press the SELECT button momentarily to select the subject functions in sequence. Last selection
will be saved as power up default for repeat measurement convenience.
IG-RPM
,
or
M function
Press
button momentarily to select through
RPM
for 4-stroke,
RPM
for 2-stroke and
DIS, and
RPM
M
for special 2-stroke waste ignition engine
Number of cylinders defaults at 4 cylinders. Press
CYLINDER
button for one second or more to
display the cylinder setting and press momentarily again within one second to select the number of
cylinders from 1 through 12 to match the engine under test
Trigger level defaults at 3. Press the
Level
(
RANGE)
button momentarily to select another trigger
level. If the RPM reading becomes unstable, select lower sensitivity to avoid electrical noise. If the
reading shows zero, select higher sensitivity. Number of Bar-graph pointer is used to indicate
sensitivity selected.
Summary of Contents for Elma 319s
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