Gill Instruments Ltd
12. TECHNICAL SPECIFICATION
12.1 Wind Measurement
Measurement Rate:
50s-1 (Full 3 axis measurement)
Data Output Rates:
From 0.4 to 50s-1
Wind Speed Range:
0 to 45ms-1
Wind Speed Accuracy:
<1%rms
Wind Speed Resolution:
0.01ms-1
Wind Speed Offset:
<±0.01ms-1
Directional Accuracy:
<±1°RMS
Directional Resolution:
1°
12.2 Speed of Sound Measurement
Measurement Rate:
50s-1 (Synchronous to wind measurement)
SOS
Range:
300-370ms-1
SOS Accuracy:
<±0.5% (For wind speeds <30ms-1)
SOS Resolution:
0.01ms-1
Accuracy specifications apply for wind speeds <32m/s and for wind incidence within ±50° of
horizontal.
12.3 Environmental
Operating Temperature:
-40°C to +60°C
Storage Temperature:
-50°C to +75°C
Relative Humidity:
5% to 100%
Precipitation:
up
to
300mm/hr
Altitude:
0
to
3000m
Moisture ingress:
IP65
Suitable for marine environment
EMC Emissions:
BS EN 50082-1:1992
EMC Immunity:
BS EN 50081-1:1992
Input/Output Protection:
>0.8J
12.4 Supply Input
Supply Voltage:
9 to 30VDC
Supply Current:
<300mA for 12Vdc input
<150mA
for
24Vdc
input
12.5 Serial Interface
Electrical Interface:
Full Duplex RS422
Baud Rates:
2400, 4800, 9600, 19200, 38400, 57600, 115200
Format:
8 data, 1 stop bit, No parity
HS-50 Research Anemometer
Page 44
Issue 02
Doc. No. 1199-PS-0032
November 2004
Summary of Contents for HS-50
Page 2: ......
