Home Table of Contents

§ 1024. Instrumentation for Testing.

13 CA ADC § 1024Barclays Official California Code of Regulations

Barclays California Code of Regulations
Title 13. Motor Vehicles (Refs & Annos)
Division 2. Department of the California Highway Patrol
Chapter 4. Special Equipment
Article 8. Sirens
13 CCR § 1024
§ 1024. Instrumentation for Testing.
Equipment used to test sirens shall meet the following requirements:
(a) Sound Measuring System. The sound measuring system shall meet the requirements of SAE J184a, June 1978.
(b) Octave Band Analyzer. The octave band analyzer shall meet the requirements of ANS S1.11-1966.
(c) Turntable. The turntable shall have a diameter of at least 300 mm (12 in.) and shall operate at a constant speed.
(d) Test Fixture. The fixture used for electromechanical and electronic siren tests shall be a rigid tripod 1.20 m ± 50 mm (4 ft ± 2 in.) in height, constructed of 13-mm (0.5-in.) tubular material, mounted on a turntable, and fitted with a 300-mm (12-in.) square platform.
(e) Wattmeter. The wattmeter for measuring amplifier output shall be a Weston Model 310 Form 3, or equal, with a frequency range from dc to 1600 Hz, field ratings of 10 A and 62.5 V, a scale range of 250 W, and 1% accuracy.

Credits

Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 26103 and 26104, Vehicle Code.
History
1. Editorial correction of Note (Register 81, No. 44).
This database is current through 5/10/24 Register 2024, No. 19.
Cal. Admin. Code tit. 13, § 1024, 13 CA ADC § 1024
End of Document