เครื่องตรวจจับยานพาหนะแบบต่อพ่วง (LTD)

1. High stability oscillatory technology: Frequency fluctuation <2x10-5 Hz.
2. Fast and high precision frequency detection: Single channel 0.33ms/four
Channel1.330ms, measurement error<2x10-5Hz.
3. High-speed channel sequence scanning technology: Eliminate crosstalk interference between channel coil.
4. Each channel four kinds of oscillation frequency selection switch: Eliminate crosstalk interference between multiple cards coil.
5. Dual sensitivity vehicle detection patent technology: 255 sensitivity levels setting.
6. Fundamental frequency real-time updating technology: Can eliminate temperature, pressure and other environmental factors led to deformation of the coils resulting frequency drift.
7. Vehicle presence time setting: Can be set freely within 1-65535 seconds.
8. Four kinds of digital output: Passing type, existence type, extending type, delaying type, behind three presence time can be set freely within 1-65535 seconds.
9. Curve matching vehicle speed detection patent technology.
10. CAN Bus cascading patent technology: The same type of multi-block boards can be cascaded to use.

11. Bidirectional logic detection function: Vehicle moving forward and converse detection.
12. Bidirectional data detection function: Detect vehicle length, speed traffic flow of moving forward and converse simultaneously.
13. Flexible statistic time settings: Statistic time can be set to 0s, 10s, 20s, 30s, 1min, 2min, 5min, 10min, 15min, 30min and 60min.
14. Comprehensive traffic flow detection information: Positive direction vehicle flux, converse vehicle flux, occupancy, average length, average vehicle gap distance and vehicle density.
15. Max storage space: Can store 480 items detection data.
16. Main traffic data function: 10s detection data, includes average speed, average occupancy, average vehicle gap distance, positive direction flux and reverse flux, etc.
17. Accurate on-chip real-time clock: Can be maintained at least 20 days exact time when power off.
18. Interface expansion: Can expand a serial, a IIC interface; Can be produced according to customer's demand.
19. The industry's most perfect lightning protection technology: Three levels lightning protection (semiconductor, isolated transformer, photocoupler isolation).
20. Current industry's most wide power input range: 12VAC-48VAC/12VDC-48VDC.

21. Current industry's most wide temperature operation range: -45C-- +85C.
22. Self-contained overall reliability design: Semiconductor isolation, photocoupler isolation, transformer isolation, ESD, EMI, signal integrity, hardware division design.
23. Optional four Baud Rate: 1200, 4800, 9600, 19200bps.