User manual VAISALA WRK200 DATASHEET

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Manual abstract: user guide VAISALA WRK200DATASHEET

Detailed instructions for use are in the User's Guide.

[. . . ] www. vaisala. com Vaisala Weather Radar WRK200 Features/Benefits Dual polarization adds new dimension The Vaisala Weather Radar WRK200 is a dual polarization C-band Klystron Doppler Weather Radar. [. . . ] However, with dual polarization, the radar performs accurate, real-time attenuation corrections. The benefit is that you can obtain the same precipitation measurement accuracy using the WRK200 as with an S-band system that costs typically two or three times more. More accurate precipitation measurement Eliminating non-meteorological targets and correcting attenuation can substantially improve precipitation measurement. However, the WRK200 goes further by providing KDP-based measurement of the precipitation rate. Unlike the reflectivity (Z), KDP is directly proportional to the precipitation rate, independent of the radar calibration and unbiased by intervening clutter or partial beam blockage. This makes the KDP very robust in measuring moderate and heavy rain. Technical data Transmitter Type Operating frequency range Peak power Average power Duty cycle Pulse widths PRF Modulator Modes Phase stability Klystron VKC8387 5. 6 - 5. 65 GHz 250 kW max 550 W 0. 0022 Typical 0. 5, 0. 8, 1. 0, 2. 0, max 5 µs 250 to 2125 Hz Solid state STAR or LDR 0. 1 deg rms Digital IF Receiver and Signal Processor RVP900 Type IF digitizing Range resolution Number of range bins Velocity dealiasing Range dealiasing Clutter filters Vaisala Sigmet RVP900 16 bits, 100 MHz in 5 channels N*15 m Up to 4050 Dual PRF 2x, 3x, 4x by phase coding fixed, adaptive or GMAP to >60 dB clutter cancellation System Specifications Physical Dimensions Antenna Type Diameter Gain (typical) Beam width Peak side lobe (typical) Peak on horizontal axis (typical) Integrated cross-pol isolation H/V alignment (squint angle) Weight Center-fed parabolic reflector 4. 5 m 45 dB <1 degree -28 dB -33 dB -35 dB <0. 1 degrees 620 kg Cabinet (w x h x d) Cooling: Weight Total height cabinet environment 1400 x 1800 x 1300 mm Air-conditioned and forced air 992 kg 1890 mm +5 °C to +40 °C, 0 to 95 %RH, non condensing +15 °C to +25 °C -50 °C to +50 °C without oil -10° to +50°C with oil -40 °C to +55 °C, 0 to 95 %RH, non condensing -50 °C to +60 °C 230/400 VAC ±10 %, 50 - 60 Hz ± 5 % 8720W max. without UPS 1050 W (max), 200 W (typical) Operating Recommended Storage antenna/PeDestal environment Pedestal Type Elevation range Maximum scan rate Acceleration Position accuracy Weight Motors Semi yoke elevation over azimuth -2 to 108 degrees 40 deg/sec 20 deg/sec2 0. 1 deg 910 kg (total with antenna 1530 kg) Brushless AC servo Operating Storage inPut Power Voltage Power consumPtion Cabinet Antenna/pedestal Options Radome 6. 7 m, foam core sandwich, random panel Automatic calibration Forward and reverse transmitted power monitoring RF-to-IF Receiver Type Dual stage, dual channel IF downconverter Dynamic range (1µs pulse) >96 dB (option >110 dB) IF frequency 442/60 MHz Image rejection >50 dB Phase stability 0. 1 deg rms Tuning range 5. 5 - 5. 7 GHz Noise figure < 2 dB Radar Controller Type Scan modes Local display Vaisala Sigmet RCP8 with IRIS/Radar PPI, RHI, Volume, Sector, Manual Real time, ascope, BITE, products For more information, visit www. vaisala. com or contact us at sales@vaisala. com ref. [. . . ] all specifications -- technical included -- are subject to change without notice. [. . . ]

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