Resonant Vs Flat Response Knock Sensor
Resonant Vs Flat Response Knock Sensor. 3 to 25 khz weight: Identifying the types is important prior to carrying out detailed knock sensor circuit tests.
Resonant knock sensors are tuned to a specific knock frequency which is primarily determined by the cylinder diameter. Identifying the types is important prior to carrying out detailed knock sensor circuit tests. This type of knock sensor you can directly connect to the aem ems:
Is It A Flat Response Sensor, Or A Resonant Tuned Sensor?
A resonant sensor always works best because all you have to do is bang it and will ring like a bell. The oems will use shielded coaxial cable to ensure the knock sensor signal is free of interference. Resonant sensors usually have a range over which they will respond properly, often 1000 hz.
This Type Of Knock Sensor You Can Directly Connect To The Aem Ems:
To detect a signal you want the best signal to noise ratio so what you do is use a resonant sensor tuned to a frequency which has minimum noise but is in the knock band. The vibration element comprises a central circular portion and a pair of outer semicircular portions of larger radius, the outer. A few hours of testing with no issue.
3 To 25 Khz Weight:
Identifying the types is important prior to carrying out detailed knock sensor circuit tests. 48 g height sensor head: Just make sure the mounting boss is clean, torque the bolt or sensor to spec and that the wiring harness is in good shape.
In The Conventional Type Knock Sensor (Resonant Type), A Vibration Plate Which Has The Same Resonance Point As The Knocking Frequency Of The Engine Is Built In And Can Detect The Vibration In This Frequency Band.
If the stock resonant sensor has a response like this flat one, then i am clearly missing the mark (as i suspected after looking at logs). It should be pointed out that resonant sensors still have a range of frequency, but vary in sensitivity over the range with the highest peak at the resonant frequency. (no bias voltage) this sensor has a flat frequency response over the 5 to 18 khz range.
Flat Response Knock Sensor Mounting Stud For Sbc/Bbc Engines.
Typical flat response type knock signal typical places where noise occurs in the ignition cycle. The harness was still pinned for the resonant style sensors. Many hours of testing with no issue.
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