Device for air leak test

This semiautomatic test device is designed to be used for leak measurements as it is shown here at low pressure injectors for example. The applied principle of measurement is based on the pressure decay method. This principle refers to the proportionality between the leak volume to be proved and the pressure decay to be measured easily respectively. The test stand is equipped with a leak detector of the ATEQ Company  (type F520). For the measurement the product to be tested is inserted (manually) in the lower seat. Following the test circuit is closed tightly by means of a toggle press. By starting the test sequence the system is pressurized double-sided by the leak detector (inlet and outlet side of the injector). After expiration of the predefined testing time, approx. 5 sec, the value of the occurred pressure drop is displayed. By comparison with the once ascertained referential limit of pressure drop the product is classified as a good or bad part. This referential value can be obtained by performing a measurement with a (leak less) master part and a simultaneously simulated leak with a leak calibrator. 

Air Tip Leak Test Bench

This test bench is a manually loaded air tip leak test stand which measures the leakage of gasoline injectors. All performed actions are displayed on the touch screen.
The results are stored in an Oracle database and written into an HTML file.

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