Auxiliary meter, Zero amp probe – GxT Ferret 54 ENGINE DIAGNOSTIC CENTER User Manual
Page 50
AUXILIARY METER
Press ELECTRICAL, SELECT
Auxiliary Meter
, and press NEXT. This general purpose meter
is useful for measurement of a variety of voltages and sensor signals.
Connect the Auxiliary Meter Lead to a voltage or sensor output. Readings are referenced to
the negative vehicle battery terminal through the Diagnostic Center Battery Clip leads. The
DC voltage range is 0 to
±
20 volts, with 0.01 volt resolution, and a 10 megohm input impedance.
AC signals up to 50 volts peak-to-peak can be measured. Hertz up to 999 and duty cycle %
are also displayed.
This test screen shows all components of a measured signal simultaneously. The meter is
quite sensitive, so while measuring a DC voltage, you may also see stray AC signals displayed
as Volt P-P and Hertz. These stray signals can be ignored and will not interfere with
measurement of an AC signal to which you are directly connected.
~ AUXILIARY METER- RED CLIP
Volt DC Volt P-P Hertz %Duty
4.95 8.2 245 48
839 RPM 190û Battery 12.60 Volt
For greater readability from a distance, a large digit display is available by pressing SELECT.
~ AUXILIARY METER - RED CLIP
Volt DC Volt P-P
дф йщ ех иш вт
ДФ.ЙЩ ЕХ ИШ.ВТ
ZERO AMP PROBE
Whenever zeroing of the amp probe is desired, select this function. A prompt will remind you
that the amp probe should be disconnected. The menu will reappear a few seconds after a
successful zero.
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