Forward Scatter Sensor FD70
• Combines forward scatter and optical disdrometer technologies
• Precipitation identification and quantification
• Inputs and Outputs:
• Operating voltage:
• Measurement unit with interface unit: 115/230V AC, 50-60 Hz; 100V AC is acceptable, but heating power is reduced
• Measurement unit only: 10-50 V DC
• Heating voltage: 24V AC or V DC
• Power consumption:
• Measurement unit with interface unit, all options: 182W
• Measurement Unit: 10.0W, 24V
• Measurement Heating: 120W
• Backup battery (optional): 12V 2.3Ah
• External inputs: Vaisala HUMICAP Humidity and Temperature Probe HMP155, Vaisala Background Luminance Sensor LM21
• Data communication options: 10/100 Mbps Ethernet, RS232, RS485, Leased-line modem DXL421, UHF/VHF radio modem
• Measurement specifications:
• Operating principle: Look-down forward scatter
• Scattering angle: 42° (main receiver), 90° (side receiver)
• Light source: near infrared
• Sampling frequency: 5MHz
• Measurement cycle: 5s
• Present weather reporting
• Reporting range: 1m-100kn
• Reporting resolution: 1m
• Reporting uncertainty: ±10 % or ±1 m at 1 m–10 km, ±20 % at 10–100 km
• Measurement error: ±0.7 %
• Present weather identification: Drizzle, rain, snow, snow grains, ice crystals, ice pellets,freezing rain / drizzle, snow pellets, hail, fog / freezing fog, mist, haze
• Operating environment:
• Operating temperature: -40° to +65°C
• Operating temperature, extended (optional): -55° to +65°C
• Operating humidity: 0-100%RH
• Wind speed: up to 60m/s
• IP66
Datasheet
