Model 820457 Ultrasonic Wind Sensor

Specifications:

Wind Speed
Range:	Heated 0-65 m/s & Unheated 0-75 m/s
Resolution:	0.01 m/s
Starting Threshold:	0.01 m/s
Accuracy:	±2% ± 0.1 m/s (30 m/s); ±3% (65m/s)
Response Time	< 0.25 seconds
Wind Direction
Range:	0 to 360 degrees
Resolution:	0.1 degree
Starting Threshold:	0.01 m/s
Accuracy:	± 2 degrees
Response Time:	< 0.25 seconds
Serial Output:	RS232 or RS485
Formats:	ASCII, ASCII polled, NMEA, RMYT SDI -12
Baud:	1200, 4800, 9600, 19200, 38400
Wind Units:	m/s, knots, mph, kmph
Wind Format:	Speed & Direction or U & V
Status Indicator:	Standard with ASCII & NMEA
Analog Output
Range:	0-5000 mV or 4-20 mA
Analog Speed Scale:	0-100 m/s
Analog Direction Scale:	0-360 or 0-540 degrees
Output Update Rate:	User Adjustable: 0.1 to 20 Hz
Power Requirement
Sensor:	10-30 VDC < 20 mA typical
Heater:	24 VDC, 2.5 A (Model 820458 Only)
Environmental
Operating Temperature:	-40 to +60°C
Protection Class:	IP65
Physical
Dimensions:	29 cm high x 11 cm wide
Weight:	0.4 kg (0.9 lb)
Shipping Weight:	1.6 kg (3.5 lb)