*RASS Extension RAE2*
The Scintec RAE2 RASS Extension upgrades any Scintec Sodar SFAS, MFAS or XFAS to allow precise measurements of temperature profiles in the atmospheric boundary layer.  Temperature is retrieved by remotely measuring the speed of sound which depends on the temperature. This is done by Doppler analysis of the frequency of radio waves which have been reflected at acoustic waves emitted by the Sodar.

RASS can replace towers, tethered balloons or radiosondes at a fraction of the operational costs. Compared to passive, thermal microwave techniques, RASS can precisely detect and locate even multiple inversions and has higher accuracy.

The Extended-Sweep Inversion technique (ESI) significantly increases the signal-to-noise ratio and allows for measurement ranges far wider than those of traditional systems.  The RAE2 is operated using the versatile software APRun with flexible configurability, extensive graphical display and output options, quality control features, statistical analysis tools and remote access support.


*OVERLAY*
ESI Technology for Maximum Data Availability
High Measurement Precision
Easy Installation

*FEATURES*
maximum range up to 600 / 800 / 1000 m with Sodar SFAS/ MFAS / XFAS
vertical resolution down to 5 / 10 / 20 m with Sodar SFAS / MFAS / XFAS
Extended-Sweep Inversion technology for maximum data availability
easy installation
fully-automated self-test
various remote access options

*SPECIFICATIONS*
Specifications

*SPECIFICATIONS-TABLE*
Data output 
(No.) # (Description)
1. # temperature and virtual temperature 
2. # inversion identifier
3. # data quality

*SPECIFICATIONS-TABLE*
Basic Specifications
(Description) # (Specification) # (Remarks)
Radio antenna # 8-bar slot antenna # easy disassembly for transport
Radio frequency # 1290 MHz, 915 MHz # other frequencies on request
Vertical resolution # 5 / 10 / 20 m with SFAS / MFAS / XFAS # depending on Sodar model
Minimum range # 40 m # depending on settings, environment and atmosphere
Maximum range # 600 / 800 / 1000 m with SFAS / MFAS / XFAS # depending on settings, environment and atmosphere
Averaging time # 1 – 60 min # user-defined
Accuracy # 0.2 °C # virtual temperature
Measurement range # -50 °C to +60 °C
Operating temperature -35 to +55 °C (-30 to +130 °F)
Power requirement DC operation # +14 VDC, 7A, 98 W # depending on mode
Power requirement AC line operation # 104 to 132 VAC, 160 W or 207 to 264 VAC, 160 W # 120V model or 230V model

The Scintec RAE2 RASS Extension upgrades any Scintec Sodar SFAS, MFAS or XFAS to allow precise measurements of temperature profiles in the atmospheric boundary layer.
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(c) Scintec AG 2021