Road Weather Information System - Lufft GmbH

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Oberflächentemperatur / Surface temperature Glatteis / Ice Kritische Nässe / critical wetness Nässe / wetness Gefriertemp. Freeze temp. www.lufft.com
Precipitation Sensor / Details R 2 S Radar Rain Sensor Precipitation quantity, Precipitation type, Precipitation intensity Compatible with previously installed rain gauges: tipping and photoelectric barrier principles The R2S operates with a 24GHz Doppler Radar, with which the drop speed is captured. The precipitation quantity is calculated from the correlation of drop size and speed. Maintenance-free Rain/snow differentiation Settable resolution for determination of quantity: 1mm, 0.1 mm or 0.01 mm Interface: RS485/RS232 and 2 digital outputs Replacement for IRSS88 and tipping bucket Historically: the tipping-bucket/weight principle has been used in meteorological applications, enabling the measurement of precipitation quantity. Optical sensor technology is applied for Road Weather Information Systems. Neither method provides accurate determination of the type of precipitation through direct measurement. Technical Data Order No. R2S-UMB Precipitation sensor 8367.U01 EU, USA, Canada with UMB, pulse and frequency interface 8367.U02 UK Measuring range drop size 0.3...5.0mm Measuring range hail 5.1...ca. 30mm Resolution liquid precipitation 0.01...0.1...1.0mm/m² Type of precipitation Rain, snow, sleet, freezing rain, hail Reproducibility Typical >90% Interface RS485 half-duplex, UMB protocol Power consumption 24VDC (22...28VDC) Power supply ca. 30VA (24V) Operating temperature range -30...70°C Operating humidity range 0...100% Connecting cable Included in delivery Accessories Order No. UMB interface converter ISOCON 8160.UISO Power supply 24V/4A 8366.USV1 Protection shield for R2S 8367.SCHIRM Surge protection 8379.USP Disadvantage: high maintenance due to build-up of dirt around the measuring device. New: Maintenance-free radar-based precipitation sensor Construction: Black aluminum sensor housing 10m lead cable Heated plastic dome Weatherproof Easy installation Dimensions: Ø: 90mm, L: 200mm www.lufft.com
Page 1 and 2: Road Weather W Information System A
Page 3 and 4: Remote Weather Station R 2 S precip
Page 5 and 6: pole hidden cables 4.5 m height www
Page 7 and 8: IRS31-UMB - Intelligent road sensor
Page 9 and 10: FAQs 1. Which is the difference bet
Page 11: LUFFT Mess- und Seite/Page: 2/2 Reg
Page 15 and 16: Schaltschrank / Weather Case Übert
Page 17 and 18: How does data transmission take pla
Page 19 and 20: Traffic control application Automat
Page 21 and 22: References: Province of Schleswig -
Page 23: References Germany: SWIS Hessen SWI

Road Weather Information System - Lufft GmbH

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