The advanced WS-GP2 Automatic Weather Station is based on the powerful GP2 Data Logger. It is an ideal solution for research and environmental monitoring applications at remote and exposed sites. The WS-GP2 provides a highly rugged and flexible system – users can select the optimal combination of sensors, logger, power and communications.

Specification

GP2 Data Logger – Brief Specs

 

	Specification		Range / Note
Analog accuracy	-0.17 to +2.7V	0.005% + 115μV	at 25°C
	±23mV	0.022% + 12μV
	-0.17 to +2.7V	0.04% + 150μV	-20°C to +60°C
	±23mV	0.08% + 27μV
Accuracy other	See detailed specification in GP2 User Manual
Readings	2.5 million (approximately)		depends on program settings
Logging frequency	1s to > 24 hours
Logging status	Flashing LED
Environmental	-20°C to +60°C, IP65
Power	6 AA alkaline batteries or external power 10-15V DC
Input connections	12 differential (or 24 single-ended) analog inputs configurable as: Voltage, Resistance (12 3-wire or 24 2-wire), Bridge (12), Potentiometer (12)     4 digital inputs as: Counters, (2 fast + 2 slow), Frequency, Digital state
	1 Delta-T WET sensor channel Or 1 x SDI-12 digital bus InterfaceUnlimited virtual channels

For full GP2 specification please see the GP2 data sheet
 

 

 
WS-GP2 Sensors – Brief Specs

 

	Specification	Range / Note
Wind speed   AN-WD2 (combined wind sensor)
Range	0 to 75m.s-1
Accuracy	± 0.1m.s-1	Up to 10m.s-1
	± 1.1% of reading	Over 10m.s-1
Starting threshold	0.4m.s-1	-30°C to +70°C if icing minimal
Wind direction   AN-WD2 (combined wind sensor)
Accuracy	± 4°	mechanical: 0 to 360° electrical: 0 to 356°
Starting threshold	0.4m.s-1	-30°C to +70°C  (if icing minimal)
Rainfall RG2+BP
Sensitivity	0.2mm per tip	up to 360 mm.hr-1
Humidity RHT2nl  (combined air temp sensor)
Accuracy	± 2% RH	5 to 95% RH
	± 2.5% RH	<5% and >95% RH
Air temperature RHT2nl (combined RH sensor)
Accuracy	± 0.1°C	0 to 70°C
Solar radiation ES2
Absolute accuracy	± 5%	At 20°C (optimal conditions)
Linearity	± 1%	0 to 2 kW.m-2
Soil temperature ST1
Accuracy	± 0.2°C	-10 to +65°C
Mast  M2-FSG
2m mast	With cross arm, stakes, steel guy wires, baseplate and logger canopy

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