ProductLeaflet_RQ-30

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ProductLeaflet_RQ-30

Product catalog summary

Properties and Benefits

Maintenance-free operation.
No need for structural construction in water.
Fully operational even during flood conditions.
Low power consumption suitable for solar power.
Capable of detecting flow direction.
Measurement range from +/- 0.10 to +/- 15 m/s, depending on flow conditions.
Recognizes hysteresis effects.
Operates in backwater situations and measures vegetal invasion.
Suitable for tide-dependent rivers.
Integrated GPRS/GSM communication and data logger.

Technical Data

General:
- Dimensions: 430 x 419 x 202 mm.
- Total weight: 19.5 kg.
- Protection: IP 66.
- Accumulator capacity/voltage: 24 Ah / 12 V.
- Recommended solar panel: 20 W for middle latitudes.
- Current consumption: 150 mA (active), 3 mA (standby).
- Operating temperature: -20° to 60°C.
- Integrated lightning protection.
Level Measurement:
- Level range: 0 to 15 m (standard), 0 to 35 m (extended).
- Resolution: 1 mm.
- Accuracy: +/- 2 mm.
- Radar frequency: 26 GHz (K-Band).
- Radar opening angle: 10°.
Velocity Measurement:
- Range: 0.10 to 15 m/s, depending on flow conditions.
- Accuracy: +/- 0.01 m/s; +/- 1% FS.
- Resolution: 1 mm/s.
- Direction recognition: +/-.
- Measurement duration: 5 to 240 sec.
- Measurement interval: 8 sec. to 5 h.
- Measurement frequency: 24 GHz (K-Band).
- Radar opening angle: 12°.
- Distance to water surface: 0.50 to 35 m.
Data Communication Module:
- Supported networks: Quad band EGSM 850/900/1800/1900 MHz.
- Transmission power: Class 4 (2W) with 850/900 MHz, Class 1 (1W) with 1800/1900 MHz.
- GPRS: Asynchronous, transparent, circuit-switched communication up to 14.4 kbps; non-transparent up to 9.6 kbps.
Data Transfer:
- FTP server: CSV or xHydro format via FTP protocol.
- MDS server: CSV format via HTTP protocol, includes database, station/user management, and data visualization via web browser.
Data Logger:
- Storage capacity: Up to 600,000 values.

Catalog excerpts

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

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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...

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