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BJQN-5A Bridge Deflection Detector


Applications


Bridge deflection detector is mainly used for large-span structures’ deflection and displacement,like,beams,columns,high-rise buildings tower swing shift. Measurement on a variety of dynamic and static deflection of the bridge. The system uses batteries as power supply. High accuracy, easy to use, convenient to operate.


Main features


High-speed area array CCD ; two-dimensional measurements;
High-speed measurement for dynamic measurement;
Static deflection detection up to 20 points(two-dimension;
Multi-point static measuring mode; measuring points are up to 20 points;
Auto-calibration;
Accomplishment of two-dimensional measurements both in dynamic and static measurement; Capable of real-time display and storage automatically;
Wireless remote control target;
Large-capacity rechargeable batteries



Main technical parameters


Detection method: Photoelectric imaging measuremen
Detection distance: 10m -500m;
Resolution: within 1% 
Accuracy: ± 0.03mm (10 meter dynamic measurement);
Sampling frequency: 100Hz;
Operating humidity: -20 ℃ ~ 50 ℃;;
Relative humidity: ≤ 80%;
Seismic performance: work normal after 16 hours of transport test on tertiary highway
Battery function: 12 consecutive hours if fully charged;
Software function: Maximum and minimum deflection, impact factor, interval data frequency and power spectrum