Outline

QTZ-2 series microcomputer braking quality reflectoscope reflector (advanced version) aims at the Chinese national condition, "Vehicle Movement Security Engineering factor" the driving test examination braking quality request develops the development specially according to national compulsory standard GB7258-2004, is suitable in the motor vehicle braking quality examination and the traffic accident investigation. Below it has the characteristic: Volume small, weight light, the operation is simple, the vehicle trademark Chinese character input function, in the use process does not need to establish the vehicle speed, does not need and the vehicles carries on the machinery and the electrical installment connection, does not have the footboard switch.

This instrument is by has the overseas advanced level the acceleration instrument to take its detecting element, had guaranteed the instrument high accuracy and bears spalling resistance. The microprocessor carries on intellectualized through fuzzy processing the judgment, discovers beginning and end point which applies the brake, through to reduces the speed as well as the time survey, conforms to the average by the miniature printer output which GB7258-2004 "Vehicle Movement Security Engineering factor" in the driving test examination braking quality stipulates fully sends out to reduce the speed (MFDD), reduces the speed, the coordinated time most greatly, applies the brake result and so on initial velocity, stopping distance. Also may does after the RS-232 serial communication and the computer connection to the test data further analyzes.

Technical performance target

1. Survey scope: ±14.7m/s²
2. Resolution: Reduces the speed:0.01m/s²; Speed:0.01km/h; Time: 0.01s; From: 0.01m
3. Demonstrated: 240×128 lattice demonstration
4. Operates easily:All functions carry on the operation by the menu form
5. Output: (1) the RS232 communication (selects and matches) (2) in sets at the printer
6. The data storage, the calendar clock, after the power failure the data does not lose, may save 50 groups of data
7. Power supply: In sets at the rechargeable battery: 7.2V3AhDC, but outside meets the automobile storage battery (12V)
8. May select and match the footboard strength test