RQ-30COMPACT SYSTEM Contact-free discharge measurement with integrated data logger and GPRS / GSM communication Properties and benefits 9 Maintenance free 9 No structural construction in water needed 9 Fully operating even in flood water situation 9 Low power consumption allows solar cell instigation 9 Detection of flow direction 9 Measurement range from +/- 0.10 to +/- 15 m/s (depending on flow conditions) 9 Recognition of hysteresis effects 9 Measurement in back water situation 9 Measures also vegetal invasion 9 Measurement in tide dependent rivers 9 Integrated communication GPRS / GSM 9 Integrated data logger

Technical Data General 430 x 419 x 202 Total weight Accumulator capacity / voltage Recommended solar panel for the middle latitudes Current consumption (active) Current consumption (standby) Operation temperature Lightning protection Integrated lightning protection Level measurement • • Level range Resolution 0 ... 15 m - standard version 0 ... 35 m - extended version 1 mm Radar frequency Radar opening angle Velocity measurement Range 0.10 ... 15 m/s (depending on flow conditions) Direction recognition Measurement duration Measurement interval Measurement frequency Radar opening angle Distance...