Urrea UD226, User Manual And Warranty

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E N G L I S H
34
You can step through mS-Pulse, Dwell,
Duty cycle (%) and automotive Frequency
(Hz) measurement mode by pressing this
button. Press any other button to exit these
modes.
7. TOGGLES
Between a negative (–) and positive (+)
trigger dlope when the meter is in the
pulse width, Dwell, Duty cycle (%) or
automotive Frequency (Hz) mode.
Press this button down for 2 seconds to
toggle between a negative (–) and positive
(+) trigger slope. The change in the trigger
slope is indicated by a + or - shown at the
lower left corner of the display. The Meter
defaults to a – trigger slope. Once the
trigger slope is selected, press this button
repeatedly to adjust trigger level if the
Meter reading is too high or unstable.
• The Trigger Level has four steps and is
different for each function combination.
Press this button to move one step at a time
for selecting a suitable trigger level. The
change in the number of step is indicated
by the number above the “TRIG” symbol at
the lower left corner of the LCD.
FUNCTION STEP TRIGGER LEVEL
3 + 8 V
2 + 6.25 V
1 + 3.2 V
0 + 1.5 V
8. ROTARY SWITCH
Describes functions that are selected by
setting the rotary selector switch.
Adp
Milivolts dc or adaptor (current
probe)
V
Volts DC/AC
Resistance/Continuity test
measurement on 2 or 4 stroke engines
using the Inductive Pickup on a spark plug
wire.
, Pulse Width,
Pulse Width, Dwell, Duty cycle (%) or
automotive Hz measurement.
9. CE
This Meter is CE-marking certified.
10. COM (Terminal común)
(Common Terminal). The black test lead
is plugged into this terminal for all
measurements.
11. RPM, V, Ω, Hz
The red test lead is plugged into this
terminal for all measurements.
12. CAT III
To avoid electrical shock or instrument
damage, do not connect the COM input
terminal to any source of more than 600V
with respect to earth/ ground.
13. AC
Displayed when AC measurement function