The WS-GP1 Automatic Weather Station includes high grade sensors to measure rain, solar radiation, wind speed, wind direction, relative humidity and air temperature. The system comes complete with the GP1 Data Logger and a 2m tripod mast.

Specification

 

	Specification	Range / Note
Wind speed   D-034B-CA (combined wind sensor)
Range	0.4 to 75 m.s-1	(0-167 mph)
Accuracy	± 0.1m.s-1	Up to 10.1 m.s-1
	± 1.1% of reading	Over 10.1 m.s-1
Starting threshold	0.4 m.s-1	-30° to +70°C    (if icing minimal)
Wind direction   D-034B-CA (combined wind sensor)
Accuracy	±4 degrees 0.5° (resolution)	Mechanical: 0 to 360° Electrical:      0 to 356°
Starting threshold	0.4 m.s-1	-30° to +70°C     (if icing minimal)
Rainfall RG2+WS-CA
Sensitivity	0.2 mm/tip	160 mm funnel diameter
Humidity RHT3nl-CA (combined air temp sensor)
Accuracy	± 2% RH	5 to 95% RH[1]
	± 2.5% RH	<5%, >95% RH
Air temperature RHT3nl-CA (combined RH sensor)
Accuracy	± 0.3°C	-20 to 70°C
Solar radiation  D-PYRPA-CA
Accuracy	± 5%	0 to 1.1 kW.m-2 300 to 1100 nm
Cosine response	± 1% at 45° ± 4% at 75°	At zenith angle
Data recording and power
Logging frequency	1 s to 24 hr	Logging status indicated by flashing LED
Comms	To PC or laptop	RS232, USB[2] or modem
Battery life	9 V alkaline	190 days typical, reading every 5 minutes
Physical
Environmental	IP65 sealing
Temperature	-20 to +60°C	If icing minimal
Cross-arm	White-painted stainless steel	Fits horizontal. or vertical pole (42-52 mm diameter.)
Weight	14.3 kg	Complete with 2 m tripod and ground stakes

 

[1] At 23°
[2] With USB to RS232 Adapter Cable type USB-RS232

Channel science and technology has been dedicated to the teaching, scientific research and the sales, research and development of applied instruments in the fields of soil, plants, environment, hydrology, meteorology and animal physiology, ecology and environmental hydrology for many years.