RQ-30 COMPACT

DISCHARGE RADAR RQ-30 COMPACT

Descripción

Descripción

Non-contact discharge measurement for open rivers and channels. – Comfortable all-in-one system with integrated data logger and GPRS / GSM communication.

FEATURES AND ADVANTAGES

  • Integrated data logger
  • Integrated GPRS / GSM 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 +/- 15 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

TECHNICAL DETAILS

GENERAL

  • Total weight 19.5 kg
  • Protection IP 66
  • Battery 24 Ah / 12 V
  • Recommended solar panel (for mid-latitude) 20 W
  • Power consumption active operation 150 mA (total system)
  • Power consumption standby 3 mA (total system)
  • operating temperature – 20° … 60° C
  • mischellaneous integrated lightening protection

WATERLEVEL MEASUREMENT

  • Measuring range 0 … 15 m standard version / 0 … 35 m extended version
  • Resolution 1 mm
  • Accuracy +/- 2 mm
  • Radar frequency 26 GHz (K-Band)
  • Radar opening angle 10°

VELOCITY MEASUREMENT

  • Measuring range 0.10 … 15 m/s (depening on flow conditions)
  • Accuracy +/- 0.01 m/s; +/- 1 % FS
  • Resolution 1 mm/s
  • Direction recognition +/-
  • Measurement duration 5 … 240 sec.
  • Measurment interval 8 sec. … 5h
  • Measuring frequency 24 GHz (K-Band)
  • Radar opening angle 12°
  • Distance to water surface 0.50 … 35 m

DATA TRANSMISSION

  • Supported networks quad band EGSM 850 / 900 / 1800 / 1900 MHz networks
  • Transmission power class 4 (2W) with 850 / 900 MHz; class 1 (1W) with 1800 / 1900 MHz
  • GPRS asynchronous, transparent, circuit-switched communication method up to 14.4 kbps; asynchronous, non-transparent, circuit-switched communication method up to 9.6 kbps
  • Data transfer FTP 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.

DATA LOGGER

  • Storage up to 600,000 values