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- WS-GP2 Advanced Automatic Weather Station System
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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)
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| 1 Delta-T WET sensor channel Or 1 x SDI-12 digital bus InterfaceUnlimited virtual channels |
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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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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.
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