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GA/T 485-2004 English PDF

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US$439.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GA/T 485-2004: The protable braking performance tester for vehicles
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 485-2004	439	Add to Cart	3 days	The protable braking performance tester for vehicles	Obsolete

Similar standards

GB/T 19836 QC/T 727 JJG 527

Basic data

Standard ID: GA/T 485-2004 (GA/T485-2004)
Description (Translated English): The protable braking performance tester for vehicles
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: T39
Classification of International Standard: 43.180
Word Count Estimation: 11,127
Date of Issue: 2004-04-12
Date of Implementation: 2004-10-01
Quoted Standard: GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB 7258; GB/T 17626.3-1998
Summary: This standard specifies the requirements, test methods, inspection rules, marking, packaging and storage of the portable braking performance tester. This standard is applicable to the production and inspection of portable braking performance tester (hereinafter referred to as instrument).

GA/T 485-2004: The protable braking performance tester for vehicles

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
The protable braking performance tester for vehicles ICS 43.180 T39 People's Republic of China Public Safety Industry Standard Portable brake performance tester Released on.2004-04-12 Implementation of.2004-10-01 Ministry of Public Security

Content

Foreword I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Requirements 2 5 Test method 3 6 Inspection rules 6 7 signs, labels, packaging, transport and storage 7

Foreword

This standard is proposed and managed by the Ministry of Public Security Road Traffic Management Standardization Technical Committee. This standard is drafted by. Ministry of Public Security Traffic Management Science Research Institute. Participated in the drafting of this standard. Shanghai Xipai Automation Instrument Engineering Co., Ltd. The main drafters of this standard. Gong Biao, Lun Yaosen, Qin Qilin, Jiang Yuchen, Qin Dongyu, Ding Zhenglin, Zhang Jun.

Introduction

The national standard "Safety Technical Conditions for Motor Vehicle Operation" (GB 7258-1997) requires that the service brake of a motor vehicle can ensure that the motor vehicle is in each Under the conditions of speed, load and up and down slope, the driver can effectively control the vehicle so that it can decelerate and stop safely, quickly and effectively. Avoid the phenomenon of vehicle deviation or tail turn, and braking performance is an important guarantee for safe driving. Road test to verify the most reliable braking performance Reflects the braking situation of the motor vehicle while driving on the road. According to the provisions of GB 7258-1997. When the vehicle has doubts about its braking performance after inspection by the bench, the road test can be used in the standard. The inspection is carried out and the inspection results of the full-load road test shall prevail. In addition, some vehicles that are difficult to test the line for brake inspection (such as double rear Road tests are required for bridge-driven vehicles, full-time four-wheel-drive cars, and on-site inspections of road traffic accident vehicles. The current road test equipment includes the fifth wheel, the non-contact speed meter and the deceleration meter. The portable brake performance tester is a high-precision deceleration type instrument with the characteristics of convenient carrying, quick installation and simple operation. Accurate analysis of vehicle braking performance, suitable for rapid and batch inspection of motor vehicle inspection stations, and suitable for road traffic accidents Field test. This standard is specially formulated to regulate the production and testing of such instruments. Portable brake performance tester

1 Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging and storage of portable braking performance testers. This standard applies to the production and inspection of portable brake performance tester (hereinafter referred to as the instrument).

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 2423.1 Environmental testing of electric and electronic products - Part 2. Test methods Test A. Low temperature (idt IEC 60068-2-1. 1990) GB/T 2423.2 Environmental testing of electrical and electronic products - Part 2. Test methods Test B. High temperature (idt IEC 60068-2-2. 1974) GB/T 2423.3 Environmental Test for Electrical and Electronic Products Test Ca. Constant Damp Heat Test Method (eqv IEC 68-2-3. 1984) GB 7258 Motorcycle Operation Safety Technical Conditions GB/T 17626.3-1998 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test (idt IEC 61000-4-3.1995)

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 By recording the time history of the acceleration value output by the acceleration sensor during the braking process of the vehicle, after calculating the speed and distance, Calculate the fully issued average deceleration (MFDD) and brake coordination time in accordance with GB 7258, used to determine the brake of the motor vehicle Performance, instrumentation for on-site printing and data communication. This type of instrument can also perform acceleration performance, instantaneous acceleration values, acceleration peaks, Tests such as slope value and adhesion coefficient. 3.2 Fully issued average deceleration MFDD The fully emitted mean deceleration (MFDD) is calculated according to equation (1). MFDD = 犞 B-犞2e 25.92 (Se-Sb) (m/s2) (1) In the formula. 犞0---the initial braking speed of the vehicle, in kilometers per hour (km/h); 犞b---0.8犞0 The speed of the vehicle, in kilometers per hour (km/h); 犞e---0.1犞0 The speed of the vehicle in kilometers per hour (km/h); Sb--the distance traveled by the vehicle between speeds 犞0 and 犞b, in meters (m); Se---the distance the vehicle travels between speeds 犞0 and 犞e, in meters (m). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GA/T 485-2004_English be delivered?

Answer: Upon your order, we will start to translate GA/T 485-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GA/T 485-2004_English with my colleagues?

Answer: Yes. The purchased PDF of GA/T 485-2004_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.