Standard No.:	GB/T 12548-1990
Chinese Name:	汽车速度表,里程表检验校正方法
English Name:	Motor vehicles－Speedometer and odometer－Calibration method
Professional Classification:	T39 Instruments and test devices for vehicle
Professional Classification:	GB National Standard
ICS Classification:	17.020
Issued by:
Issued on:	1990-01-02
Implemented on:	1991-09-01
Status:	ABOLISHED
Replace By:	GB/T12548-2016 Motor vehicles speedometer and odometer calibration method
Replace By Date:	2017-01-01
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in 1-3 business day

1 Subject Content and Application Scope
This standard specifies the calibration method of speedometer and odometer.
This standard is applicable to the calibration of speedometer and odometer of all kinds of motor vehicles.
2 Normative References
GB/T 12534 "Motor Vehicles-General Rules of Road Test Method"
3 Test Instruments and Equipment
a. Stopwatch; minimum reading 0.1s;
b. Surveyor's pole, steel tape
4 Test Conditions
4.1 The test vehicle state and the proving road shall meet the requirements of GB/T 12534.
4.2 The installation of speedometer, odometer and transmission shall meet the technical specification of manufacturing plants.