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Home > Environmental > Water Flow Sensors > Water Flow Measurement > RQ Radar Flow and Velocity Sensor > Sommer RQ Radar Flow and Velocity Sensor 20787
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Sommer RQ Radar Flow and Velocity Sensor 20787

PART NO: SM-20787

Autonomous Discharge measurement System RQ-30 ADMS, 35m, with integraded data logging and transmission.

Ideal all-in-one system with integrated data logger and 3G/4G communication for non-contact discharge measurement in open rivers and channels. Simply mount the sensor on bridges, on the roofs of closed canals or channel superstructures.

Main Features:

  • Integrated data logger (MRL-Family)
  • Integrated 2G/3G/4G communication
  • Contact free measurement, maintenance free system
  • No structural work is necesary in the water
  • No threat to the system through flooding
  • Low power consumption enables operation using solar cells
  • Recognition of flow direction
  • Measuring range from +/- 0.10 to +/- 35 m/s (depending on the flow conditions)
  • Recognition of hysteresis-effects
  • Measurement in backwater situations
  • Measures even where weed growth prevails and sensor is not affected by turbidity
  • Measurement in tidal waters

<b>General Information:</b><p><strong>RQ-30 Autonomous Discharge measurement System with:</strong></p><ul><li>Velocity measurment: 0,1 - 15 m/s, with direction recognition</li><li>Resolution: 1 mm/s, minimum wave height 3mm</li><li>Level measurment: Radar pulse, 0....15 m, Beam angle 10°</li><li>Calculation of Discharge</li><li>Everything in one housing</li><li>Housing is powder coated</li><li>MRL-7 data logger</li><li>3G Modem inside the MRL-7</li><li>Measuring and storage interval from 1 s....24 h</li><li>4 MB Memory (equivalent up to 500.000 measured values)</li><li>SD Card up to 32 GB (SD card not included)</li><li>Planar antenna</li><li>Power supply: Accumulator 2x 12V/12 Ah (not included), Connection to</li><li>Solar panel</li><li>No batteries included</li><li>Battery charger is included</li><li>Outputs/parameterisation:</li><li>USB/RS 232 or Bluetooth for Logger, RS 485 for sensor</li><li>Long-range transmission</li><li>Quadband EGSM 850/900/1800/1900 MHz net</li><li>Data transmission CSV- or XHydro over FTP, CSV over HTTP</li><li>Licence R&amp;TTE, CE, GCF, PTCRB, IC, Anatel</li><li>Including Software Q-Commander, readout cable for MRL-6 und MRL-7</li></ul><b>Technical Specification</b><ul><li><strong>Total weight: </strong>19.5 kg</li><li><strong>Protection class </strong>IP 66</li><li><strong>Battery: </strong>24 Ah / 12 V</li><li><strong>Recommended solar panel (for mid-latitude):</strong> 20 W</li><li><strong>Power consumption: </strong>active operation 150 mA (total system)</li><li><strong>Power consumption: </strong>standby 3 mA (total system)</li><li><strong>Operating temperature: </strong>- 20° ... 60° C</li><li><strong>Mischellaneous: </strong>over voltage protection, reverse power protection, lightning protection</li></ul><b>Waterlevel measurement</b><ul><li><strong>Measuring range: </strong>0 ... 15 m standard version / 0 ... 35 m extended version</li><li><strong>Resolution: </strong>1 mm</li><li><strong>Accuracy: </strong>+/- 2 mm</li><li><strong>Radar frequency:</strong> 26 GHz (K-Band)</li><li><strong>Radar opening angle: </strong>10°</li></ul><b>Velocity measurement</b><ul><li><strong>Measuring range: </strong>0.10 ... 15 m/s (depening on flow conditions)</li><li><strong>Accuracy: </strong>+/- 0.01 m/s; +/- 1 % FS</li><li><strong>Resolution: </strong>1 mm/s</li><li><strong>Direction recognition:</strong> +/-</li><li><strong>Measurement duration: </strong>5 ... 240 sec.</li><li><strong>Measurment interval: </strong>8 sec. ... 5h</li><li><strong>Measuring frequency:</strong> 24 GHz (K-Band)</li><li><strong>Radar opening angle: </strong>12°</li><li><strong>Distance to water surface: </strong>0.50 ... 35 m</li></ul><b>Data transmission</b><ul><li><strong>Supported networks: </strong>quad band EGSM 850 / 900 / 1800 / 1900 MHz networks</li><li><strong>Transmission power: </strong>class 4 (2W) with 850 / 900 MHz; class 1 (1W) with 1800 / 1900 MHz</li><li><strong>2G/3G/4G: </strong>asynchronous, transparent, circuit-switched communication method up to 14.4 kbps; asynchronous, non-transparent, circuit-switched communication method up to 9.6 kbps</li><li><strong>Data transfer:</strong> FTP server or HTTP server: CSV or xHydro format via ftp protocol; MDS server: CSV format via http protocol. MDS server is a complete solution, including database, station- /user management and data visualisation via web browser.</li></ul><b>Data logger</b><ul><li><strong>Storage: </strong>up to 500,000 values</li><li><strong>Data readout: </strong>remotely</li><li><strong>SIngle point of connection: </strong>principle</li><li><strong>SMART Sensor: </strong>with remote access to the data logger and RQ</li> </ul>

ManufacturerSommer
Manufacturer P/n20787
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