Pressure Pulse Sensor

Description

Automotive Pressure Pulse Sensor – PPS
In normal operation of internal combustion engines pulse waves of pressure are generated in various systems. All engines produce such waves and their shape is predictable. All engines produce a predictable pattern of these pulses so any change in shape or appearance of asymmetry of these pulses indicates a problem with the engine. PPS detects such faults as burnt valves, bad injectors and other performance problems without major disassembly of the engine. To visualize the waveform of the output signal of PPS, its electrical part is connected to an oscilloscope (lab scope; automotive scope). The screen will show in real time the work of valves, cylinders and injectors, and by using synchronization to the #1st cylinder it can be determined by its performance which cylinders has a problem. The auto-mechanic can therefore quickly and accurately get an idea of the actual condition of the engine. Pressure Pulse Sensor does not need additional external power supply and it can be used with most modern digital storage oscilloscopes (lab scopes).
Advantages of the Pressure Pulse Sensor:
• Fast and easy connection;
• Locate cylinder problems thru the exhaust pulses;
• Detect valve leakage, cylinder compression;
• Find injector problems.
Typical applications
With the Pressure Pulse Sensor we can observe the waveform of:
• Pulsation of exhaust gases in the exhaust;
• Changes in the gas pressure in the inlet manifold;
• Fluctuations in the membrane pressure regulator of the fuel;
• Crankcase gases and other;
• Determine the degree of contamination of the injectors without having them dismantled.
In the set:
• Pressure Pulse Sensor ;
• 2 m cable - BNC to BNC cable;
• 2 m hose.
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