California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 4 - Special Equipment
Article 8 - Sirens
Section 1025 - Testing Sites

Universal Citation: 13 CA Code of Regs 1025

Current through Register 2024 Notice Reg. No. 38, September 20, 2024

Sites for laboratory or field tests of sirens shall comply with the following requirements:

(a) Laboratory Tests. A laboratory test site shall consist of an anechoic chamber that meets the requirements of ANS S 1.13-1971.

(b) Open Field Tests. An open field test site for mechanical siren testing shall consist of a flat paved area at least 15 m (49 ft) in diameter and free of large vertical sound-reflecting surfaces within 15 m (49 ft) of the microphone and siren except for the test vehicle.

1. Editorial correction of NOTE (Register 81, No. 44).

Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 26103 and 26104, Vehicle Code.

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