Code: DT009
Sensors
The standard WS-GP2 includes sensors to measure rain, solar radiation, soil temperature, wind speed and direction, relative humidity and air temperature.
Flexibility
The GP2 Data Logger has the power and flexibility to handle almost any environmental sensor, which means the WS-GP2 Weather Station can be as simple or as complex as your application requires. Even after installation, it’s easy to adapt the system to your specific needs. Optional sensors include barometric pressure, soil moisture, soil EC, UV, PAR, albedo, net radiation, total and diffuse radiation, and evaporation.
Data handling
Data can be easily collected by laptop via USB, or remotely using the cellular modem options. DeltaLINK Software makes it easy to set up recording intervals and to view and download stored data.
Data presentation options include wind rose, gusts and average (including direction and vector average).
SDI-12 enabled
The GP2 Data Logger supports SDI-12 inputs. GP2s supplied before March 2016 can be easily updated via a software download.
Key features:
Huge additional input capacity for SDI-12 sensors
Analog and digital channels fully available
Highly flexible logger + sensor networks
For more information visit our GP2 SDI-12 page.
Advanced features for meteorology
For researchers interested in evapotranspiration, degree days, disease prediction, wind chill factor, dew point, PID control, etc. the GP2’s advanced features will open up exciting possibilities.
Calculation of full ASCE/FAO 56 Penman-Monteith evapotranspiration equation
The WS-GP2 Weather Station and DeltaLINK Software (versions 3.7 and later) enables the full ASCE/FAO-56 Penman-Monteith equation for calculating reference evapotranspiration (ETo).
ETo is calculated by the WS-GP2 Weather Station using the available measurements of relative humidity, wind speed, solar radiation, and air temperature. This ET implementation includes the ability to vary crop albedo/LAI, canopy resistances, crop height and sensor heights.
The functionality can be easily accessed by users as a selectable recording option within DeltaLINK. Calculated ET can be recorded as hourly and daily values – and may be used in further bespoke calculations or to guide field irrigation decisions.
User guide to Penman Monteith Evapotranspiration in the WS-GP2.
Customisation
The GP2’s analog inputs can be fully customised. Each channel can have its own input type and recording parameters. DeltaLINK software gives the user control over reading frequency, thresholds and units, and provides recording options for average, min and max, plus specialised wind options – including wind rose, gusts and wind averaging
Users can add their own custom sensor types to the sensor library, exploiting the GP2’s detailed configuration options. The GP2 provides 4 input ranges down to microvolt resolution with adaptive auto-ranging, excellent analog accuracy, and configurable sensor excitation – enabling it to support nearly all analog sensors.
Calculations based on the measurements from several input channels can be recorded and displayed as additional virtual channels (calculated measurements).
Script Editor
This powerful software feature creates step by step operations to control simple or complex processes or recording requirements. The degree of sophistication it offers means the potential applications are numerous and varied. The editor interface is easy to use, no programming language is involved.
Creates sequences of operations to implement models
Advanced control and recording capabilities
Easy user interface: no typing out of commands; no programming language
Implement simple or complex conditions, algebraic expressions and record result values
Simulator
This unique software feature allows logging programs to be tested before real-world activation. For applications involving weather data, irrigation or soil moisture recording, the environmental variables can be changed to test how the program responds. Years of logging time can be simulated in just a few minutes.
Implement simple or complex conditions, algebraic expressions and record result values
Create and manipulate variables e.g. for disease risk factor
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