WYD-A type portable brake performance tester
I. Overview
WYD-A portable braking performance tester is a hand-held road tester independently developed by Shandong Zibo Shida Motor Vehicle Testing Equipment Co., Ltd. High-performance micro-controller and embedded operating system adopted; intelligent design, making it easy to operate; instrument using liquid crystal display, can display a number of test data, curves, clear and intuitive; test items using menu-driven operation, easy to use, And the test results can be stored (80 groups can be stored) for later viewing and analysis of the test data; the whole design meets ergonomics, easy to control, the instrument is automotive manufacturing, automotive testing, vehicle maintenance, research departments, Ideal testing equipment for road traffic departments and agricultural safety supervision departments and ideal teaching equipment for universities and colleges.
The system is equipped with a standard RS232 interface, which can be connected to an external printer to conveniently print out test results and test data dynamic curves. The test results can also be sent to other devices or computers through wired or wireless methods. The upper computer can process the data flexibly. Constitutes an online test system.
The whole machine adopts a portable design with small size. The external sensor is equipped with a powerful magnet, which is easy to install. It is also suitable for testing on vehicles with narrow space; 7-digit license plate number or frame number can be entered; two test methods can be used. It is especially suitable for road test testing of large cars and trains.
Second, the main technical parameters and performance indicators
Built-in power supply: DC9.6v (8 sections of 1.2v 1200mAH nickel-metal hydride battery)
RS232 interface: baud rate 9600, 8 data bits, 1 stop bit, no parity. The specific data is shown in the attached table. (3 foot signal output, 2 foot signal input, 5 foot signal ground).
Dimensions: 205 X 145 X 55 mm
Weight: 1 kg (including built-in battery).
Measurement range: Acceleration ≤ ± 1.5g Time ≤ 10s
Resolution: Acceleration: 0.01m/s2
Speed: 0.01km/h
Time: 0.01s
Distance: 0.01m
Accuracy: Level 2.0
