California Code of Regulations
Title 13 - Motor Vehicles
Division 2 - Department of the California Highway Patrol
Chapter 4 - Special Equipment
Article 9 - Exhaust System Noise Measurement
Section 1033 - Instrument Calibration

Universal Citation: 13 CA Code of Regs 1033
Current through Register 2024 Notice Reg. No. 38, September 20, 2024

The sound measuring set, consisting of the sound level meter, microphone, calibrator, and any cables, shall be submitted to the instrument manufacturer's designated calibration and repair facility or an approved laboratory for calibration, adjustment, and repair at least once every two years. The tachometer shall be maintained in calibration in accordance with the tachometer manufacturer's calibration instructions. Exhaust system manufacturers may repair and calibrate their own instruments when the calibration standards are traceable to the National Bureau of Standards in the United States or the national standards body in the country in which the laboratory is located.

1. Amendment filed 6-16-77; designated effective 7-15-77 (Register 77, No. 25).

Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.