Detector features
1. High stability oscillatory technology ---- Frequency fluctuation <2×10-5 Hz
2. Fast and high precision frequency detection ----single channel 0.33ms/four channel1.330ms，measurement error<2×10-5Hz
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----
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