CartHow the FirstLook Sensor Differs From Other Pressure Sensors
Conventional electronic pressure sensors are very similar to ordinary pressure gauges. They measure the static pressure to which they are exposed. Their output is a variable voltage corresponding to this static pressure. This voltage out is displayed using a digital voltmeter and calibrated so that the meter indicates the static pressure. For example, an electronic pressure sensor used with a digital scope would result in an output similar to the one below.
The FirstLook Pulse Sensor is designed to look at variations in pressure and ignore the average, or static, pressure in any given environment. In other words, it only sees the changes in pressure from the recent average pressure. For example, the FirstLook Sensor in response to the pressure trace in the above examples would look like this:
It is this characteristic of responding only to changes in dynamic pressure that sets the FirstLook Sensor apart from traditional pressure sensors. This feature provides a unique sensitivity not previously obtainable in commercially available automotive sensors.
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