User manual VAISALA WRM200 DATASHEET

[. . . ] www. vaisala. com Vaisala Weather Radar WRM200 Features 250 KW magnetron transmitter with low-maintenance solidstate modulator Vaisala's lightweight, semi-yoke style pedestal 1 degree beamwidth low side lobe antenna >35 dB integrated crosspolarization isolation Precision horizontal and vertical beam matching Modular single cabinet design containing transmitter, receiver, controller, processor, dehydrator, polarization waveguide assembly Built around Sigmet RVP900, RCP8, IRIS software Dual channel digital IF receiver Built-in automatic dual channel calibration Image rejection >80 dB (>100dB with Vaisala WG filters). [. . . ] The WRM200 provides the following bene ts: · · · · Hydrometeor identification Attenuation correction Data quality improvement Improved rainfall estimates S-band performance at a C-band price Attenuation by intervening heavy precipitation has been a long-standing problem with C-band weather radars, making S-band radars preferable, especially in tropical environments where heavy rain is common. However, with dual polarization, a radar performs accurate, real-time attenuation corrections. The bene t is that you can obtain the same precipitation measurement accuracy using the WRM200 as with an S-band system that typically costs two or three times more. HydroClassTM - Seeing much more HydroClassTM software uses polarization measurements in a proven fuzzy logic algorithm to classify targets into categories. hail, graupel, rain, snow, wet snow or non-meteorological targets (such as sea clutter, birds, insects, wind turbines, interference, or military chaff). While traditional Doppler clutter ltering can remove stationary targets, HydroClassTM can also remove moving non-meteorological targets like sea clutter. The bene t is improved data quality and more accurate warnings for hazardous weather such as hail. Experience, innovation and dependability Vaisala Sigmet Product line has three decades of experience in providing signal and data processing systems for dual polarization applications, and delivers more dual polarization processing systems than any other manufacturer. Vaisala and Sigmet, as a part of Vaisala, continue developing the dual polarization applications with respected consultants in the research community. Technical data System Performance Modes Phase stability Maximum RhoHV STAR or LDR <0. 5 deg rms >0. 99 Coaxial magnetron 5. 5-5. 7 GHz 250 kW max 300 W 0. 12 % 0. 5, 0. 8, 1. 0, 2. 0 µs 200 to 2400 Hz Solid State Center-fed parabolic reflector 4. 5 m 45 dB <1 degree -28 dB -33 dB <-35 dB <0. 1 degrees 620 kg Digital receiver and signal processor RVP900 Signal processor 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 random phase fixed, adaptive or GMAP to >55 dB clutter cancellation VAISALA SIGMET RCP8 with IRIS/Radar PPI, RHI, Volume, Sector, Manual Real time, ascope, BITE, products Transmitter Type Operating frequency range Peak power Average power Duty cycle Pulse widths PRF Modulator Radar controller Type Scan modes Local display PhysiCAl dimENsioNs Antenna Type Diameter Gain (typical) Beam width Peak side lobe (typical) Peak on horizontal axis (typical) Integrated cross-pol H/V alignment (squint angle) Weight System specifications Cabinet (w x h x d) Cooling Weight: Total height CABiNET ENViRoNmENT 600 x 1800 x 1150 mm Air-conditioned 380 kg 1890 mm +10 ° to +40 °C, 0 to 95 %R. H. , non-condensing +15 ° to +25 °C -50 ° to +50 °C -40 ° to +55 °C, 0 to 95 %R. H. , non-condensing -50 ° to +60 °C 230/400 VAC +10 %, 50 - 60 Hz +5 % 2650 W 1050 W (max), 200 W (typical) 305 x 817 x 702 mm 165 kg Not less than 30 min Typical 6. 7 m, foam core sandwich, random panel Operating Recommended Storage Operating Storage iNPuT PowER 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 Dual stage, dual channel IF downconverter > 99 dB (2 µs pulse) 442/60 MHz >80 dB (>100dB with Vaisala WG filters) 5. 5 - 5. 7 GHz < 2 dB ANTENNA/PEdEsTAl ENViRoNmENT Voltage PowER CoNsumPTioN Cabinet Antenna/Pedestal: uPs RF-to-IF receiver Type Dynamic range IF frequency Image rejection Tuning range Noise figure Size (w x h x d) Weight Uptime Options Radome Automatic calibration Forward and reverse transmitted power monitoring For more information, visit www. vaisala. com or contact us at sales@vaisala. com Ref. B210698EN-C ©Vaisala 2010 This material is subject to copyright protection, with all copyrights retained by Vaisala and its individual partners. [. . . ] All specifications -- technical included -- are subject to change without notice. [. . . ]