Entry from US English dictionary
Definition of volumetric sensor in English:
A security device that detects the movement of people or objects by sensing their shapes.
- But leaving the volumetric sensors off is quite common - windows open, kids asleep in the car etc.
- For the purposes of this document, discrete sensors are classified as either being volumetric sensors ornonvolumetric sensors.
- These approvals include the detection and false alarm performance of volumetric sensors.
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