CRI350 Siemens VDO Piezo Injector Tester Pulse Pressure Air Residual Air Gap Flow Tester

   CRI350 Siemens VDO Piezo Injector Tester Pulse Pressure Air Residual Air Gap Flow Tester

Product introduction:

The Piezo Injector Testerintegrates multiple functions:

Insulation test (20V-1000V Capacitance/piezoelectric resistance test, piezoelectric actuator stroke test, fuel injectorreturn flow test, GAP clearance test (between piezoelectric actuators and injector hydraulicvalve rods), and continuous resistance test (for actuator degradation analysis). lt enables rapid defect diagnosis for Bosch, Denso, and Siemens piezoelectric actuators while assisting in evaluating fuel injectors service life.

Test function

1.insulation Measurement

Supports 40V-1000V wide-range insulation withstand voltage testingAccurately measures piezoelectric actuator insulation performance

2.Piezoelectric Actuator Electrical Measurement

"Precise injector capacitance measurement ensures response performance underdriving voitageHigh-accuracy resistance measurement guarantees circuit slability and durability

3.Actuator Stroke Measurement

Real-time piezoelectric core displacement measurement

Bluetooth data transmission with displacement curve generationQuickly verifies standard compliance of piezoelectric crystal elongation under different voltages

4.GAP Clearance Measurement

Accurately measures clearance between piezoelectric actuator and injector pushrod*Ensures first-pass assembly qualification and improves production efficiency5.Injector Flow Measurement

"Real-time return flow monitoring using float flowmeter

Verifies injector flow parameters meet standards

6.Piezoelectric Actuator Durability Evaluation

.Monitors resistance variation trend under constant voltage

*Predicts actuator aging status to ensure long-term stable operation

Parameter :

01. Insulation test (applicable to Bosch, Denso, Siemens and other piezoelectric injectors)

Voltage range: 40V-1000V

Description: Support Euro 4, Euro 5, Euro 6, insulation resistance>100MQ to ensure the insulation performance of the injector under high voltage

02. Capacitance resistance test (applicable to Bosch, Denso, Siemens and other piezoelectric injectors)

Voltage adjustment range: 0V-160V

Bosch: 0.5-1.5μF

Denso: 0.5-3.0μF

Siemens: 0.8-2.8μF

Bosch: 150-210kΩ

Denso: 880-1100kΩ

Siemens: 160-220kΩ

Description: Accurately measure the capacitance value of the injector to ensure the response performance of the injector under the driving voltage. High-precision resistance measurement to ensure the stability and durability of the injector circuit

03. Lift test (applicable to Siemens piezoelectric injectors)

Voltage range: 0V-160V, measurement unit: μm

Description: Real-time measurement of the elongation of the piezoelectric ceramic core, support for Bluetooth micrometer wireless data transmission, intuitive display of curve graph

04. Gap test (applicable to Siemens piezoelectric injectors)

Measurement unit: μm Temperature maintained at 20℃

Description: Accurately measure the air clearance value of the solenoid valve to ensure that it is assembled in place at one time.

Note: Measurement abnormality caused by incorrect positive and negative poles of the wiring harness.

05. Flow test (applicable to Siemens piezoelectric injectors)

Air pressure: 5Bar/72.5psi Working voltage: 53V Measurement unit: L/min

Description: Use float flowmeter to measure the injector return air value in real time to ensure that the injector flow performance

meets the standard.

06. R/T curve test (applicable to Siemens piezoelectric injectors)

Resistance change curve over time

Siemens piezoelectric: <135kΩ (cannot be used for a long time), >199kΩ (optimal value)

Description: Real-time monitoring of the change of piezoelectric crystal resistance over time to determine the durability and

stability of the injector

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