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2. Resistance mode
Connect the universal cable with the appropriate connector to the nozzle
connector, observing the polarity. In the instrument menu, use the ↑ and ↓ keys to
select the Resistance mode. By turning the encoder knob, you can change the value
of the test voltage at which the resistance measurement will be performed. Press the
Start button.
The device will cyclically measure the resistance of the piezoelectric element
and display its current, as well as minimum and maximum values.
During the test, you can change the value of the test voltage at which the
resistance is measured by turning the encoder knob.
To end the test, click the Stop button.
3. "Isolation" mode
Warning: High voltage!
Connect the universal cable with the appropriate connector to the nozzle
connector, observing the polarity, and the alligator clip to the metal part of the nozzle
body. In the instrument menu, use the ↑ and ↓ keys to select the "Isolation" mode.
Turn the encoder knob to set the desired value of the test voltage at which the
insulation resistance will be measured. Press the Start button.
The device measures the insulation resistance.
4. Stroke mode
Connect the universal cable with the appropriate connector to the nozzle
connector, observing the polarity. In the instrument menu, use the ↑ and ↓ keys to
select the "Run" mode. Turn the encoder knob to set the desired voltage for the test.
Press the Start button.
The device will gradually raise the voltage to the set level and then beep. In
this mode, the voltage value can be changed repeatedly to observe the operation of the
piezoelectric element. The piezoelectric element is checked on the measuring stage.
The measured value is read from a micrometer. The computer program significantly
expands the capabilities of this mode, allowing you to automate the process of
measuring the piezo actuator stroke, as well as to build tables and graphs of the
dependence of the piezo actuator lift on the applied voltage. After completing the
measurement, press the Stop button and the device will discharge the piezo actuator.
The nozzle can also be mounted on a test bench, pressurised and the flow and
return flow measurements started. In this mode, the condition of the piezoelectric
element and the correct tightening torque can be assessed by the quantitative increase
in the backflow value with increasing nozzle voltage.
It is not recommended to keep the piezo actuator under constant voltage for a
long time.
5. "Span" mode
Connect the universal cable with the appropriate connector to the nozzle
connector, observing the polarity. In the instrument menu, use the ↑ and ↓ keys to
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