Sommer Messtechnik

Discharge Radar Sensor RQ-30D

Features :

  • Discharge measurement with high accuracy – ideal use for very wide rivers with inhomogeneous velocity distribution.
  • One water level measurement and multiple, individual velocity measurements.
  • Well proven RQ-radar technique: non-contact measurement, maintenance free system, flood-proof.
  • No structural work is necessary in the water.
  • Recognition of flow direction and hysteresis effects.
  • Measurement in tidal waters.
  • Measurement in backwater situations.
  • Measures even where weed growth prevails and sensor is not affected by turbidity.
  • Measuring range 0.08 … 16 m/s (depending on the flow conditions).
  • Analogue outputs from 4 to 20 mA (optional).

Specifications :

General
  • Dimensions master: 338 mm x 333 mm x 154 mm | slave: 175 mm x 154 mm x 246 mm
  • Total weight master: 5.4 kg | slave: 2.7 kg
  • Protection class IP 67
  • Power supply 6 … 30 V
  • Power consumption at 12V standby approx. 1mA; active operation approx. 140mA
  • operating temperature – 35 … 60°C
  • Miscellaneous over voltage protection, reverse power protection, lightning protection
Waterlevel measurement
  • Measuring range 0 … 15 m standard version / 0 … 35 m extended version
  • Resolution 1 mm
  • Radar frequency 26 GHz (K-Band)
  • Radar opening angle 10°
Velocity measurement
  • Measuring range 0.08 … 16 m/s (depending on flow conditions)
  • Accuracy +/- 0.01 m/s; +/- 1 % FS
  • Resolution 1 mm/s
  • Direction recognition +/-
  • Measuring duration 5 … 240 sec.
  • Measuring interval 8 sec. … 5h
  • Measuring frequency 24 GHz (K-Band)
  • Radar opening anlge 12°
  • Distance to water surface 0.50 … 35 m
  • Minimum swell needed 3 mm
Automatic vertical angle compensation
  • Accuracy +/- 1°
  • Resolution +/- 0.1°
Interface
  • Interface 1x SDI-12 1 x RS 485 or Modbus
  • Transfer rate 1.2 to 115.2 kBd
  • Protocol diverse ASCII-protocols
  • Output discharge rate, flow velocity, waterlevel, quality parameters

Catalog : PDF

Brand

Sommer Messtechnik

Sommer Messtechnik

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