ESA Certified Alarm Technician Practice Exam

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How many steps should be taken during a walk test for proper PIR detection?

  1. 2

  2. 3

  3. 5

  4. 8

The correct answer is: 3

During a walk test for proper PIR (Passive Infrared) detection, it is essential to take three steps. This method allows the technician to ensure that the PIR sensor is effectively detecting motion across its coverage area. The three steps represent movement through different zones or points of the sensor's range, enabling a thorough evaluation of its sensitivity and performance. Taking three steps helps to confirm that the PIR is responsive not only to direct motion but also to varying speeds and angles, which is crucial for optimal functioning in real-world scenarios. This approach ensures a comprehensive assessment of the sensor's capabilities and guarantees that any field-of-view obstructions or installation issues are identified and corrected.

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