Phone

0857 4065 2657 (Mashudy)

0823 1173 8960 (Fajar)

Phone Office

+62-21 29563045







SWS-250 Visibility & Present Weather Sensor

SWS-250 Visibility & Present Weather Sensor



Order

Description

SWS-250

Measures visibility and identifies a wide range of present and past weather conditions, easy integration with ground based aviation systems in RVR and METAR applications


Feature

  • Present and past weather codes
  • WMO Table 4680 & METAR Outputs
  • Instantaneous and averaged visibility outputs
  • 39 WMO 4680 codes
  • transmissometer equivalent EXCO output (TEXCO)
  • Easy integration of Biral ALS-2 ambient light sensor
  • Simple field calibration

Spesification

Visibility and precipitation measurements
  • Range (visibility)
10m to 75km
  • Measures
Visibility, present and past weather
  • Output
Serial data
  • Measurement Error
<=10% at 10 km, <=15% at 20 km, <=20% at 30 km
  • Measurement principle
Forward scatter meter with 39° to 51°angle
  • Precipitation detection resolution
Rain: 0.015 mm/hr Snow: 0.0015 mm/hr
  • Maximum rain rate
250 mm/hr
  • Rain intensity accuracy
≤ 15%
Outputs and reports
  • output rate (seconds)
30 to 300 (selectable)
  • digital (serial) outputs
RS-232, RS-422, RS-485
  • WMO Codes
39 from table 4680
  • METAR Codes
34 present and past weather
Power Requirements
  • Sensor power
9-36 VDC
  • Hood heating power
24 V AC or DC
  • Basic sensor
  • Window heaters
  • Hood heaters
3.5W 2.5 W – with no-dew window heaters OFF 36 W
Additional features
  • Hood heaters
fitted as standard
  • Window contamination monitoring
Fitted as standard to both sensor headwindows
Environmental
  • Operating temperature
-40°C to +60°C
  • Operating humidity
0 – 100% RH
  • Protection rating
IP65
Physical
  • Material
Powder coated aluminium (IP65 protection rating)
  • Weight
3.3 Kg
  • Length
0.81 m
  • Lifetime
>10 Years
Maintenance
  • self test functions
with maintenance warnings
  • user confidence check
6 months (suggested)
  • window cleaning
3 months Automatic compensation and warnings
Certification & Compliance
CE certified
EMC compliance with EN61326-1997, 1998, 2001
RoHS and WEEE compliant