What methods verify that a detector is properly aligned with its coverage area?

• A. Smoke tests, drift checks, or manufacturer’s test procedures
• B. Visual alignment alone
• C. Battery status check
• D. Temperature sensitivity test

Answer: (A)

Verifying that a detector is aligned with its coverage area relies on functional and procedure-based checks, not just how it looks mounted. Smoke tests recreate real conditions and confirm the detector actually responds to smoke within the intended zone and within the expected time frame. Drift checks scan for any movement or misalignment that could shift the coverage footprint away from the area it’s meant to protect. Following the manufacturer’s test procedures ensures you use device-specific steps and acceptance criteria, so the alignment and sensitivity meet the design specifications. Visual alignment alone can be misleading because airflow, obstructions, and mounting tolerances can alter the detector’s effective sensing area. A battery status check only shows power availability, and a temperature sensitivity test assesses environmental response—not whether the detector covers the right space.