China Manufacturer with main products: For over 20 years, EFS has specialized in injection flow measurement, with more than 1500 shot-to-shot flow meters installed all over the...

LPF Low Pressure Flowmeter

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Place of Origin: Rhone alpes MONTAGNY in France


The LPF (Low Pressure Flowmeter) is dedicated to test the shot to shot flow for indirect gasoline low pressure injectors. System description The equipment is composed of : a mechanical part integrating the volumic chamber, the pressure and temperature measurement, an electronic part driving the measurement cycle, collecting data at each revolution and calculating volume and mass injected for each shot, a precise pressure regulator to adjust the input pressure placed above the injector (in option), a quick filling electrovalve (in option). Principle The LPF is placed above the injector. It creates the input pressure for the injector using gas regulation which guaranties a high stability. This pressure could be precisely adjusted by the optional pressure regulator placed at the nitrogen input. The pressure sensor is placed just at the input of the injector to validate the good at each revolution. The volume measurement is realized by piston displacement. The direct result is a measured volume. With the density information and the temperature measurement, the equipment calculates the mass injected for each shot. The LPF can measure up to 5 shots over a window of 25% of a complete period. The injection rate gives directly the static flow of the injector. The frequency is programmable from 0,5 to 50Hz. For each period, the equipment delivers the volume and mass measured corresponding to the dynamic flow, the static flow, the temperature and the frequency of the test. Product advantages Because of the nitrogen regulation, the LPF warranty a high stability for the input pressure of the injector. The LPF measures each injection separately with 0.1 mg precision. This gives the opportunity of a real standard deviation measurement on the injector. Simultaneous measurement of the static and dynamic flow. Possibility of driving the injector and programming a complete test cycle without any other instruments. External synchronisation to link this measurement with other physical settings. Detection of the physical opening of the injector and delay measurement with the logic start.

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