Weather Station Hardware > What Weather Station Should I Buy?
Comparison of solar schemes and weather stations
ivano:
data of 07/27/2021 location [ You are not allowed to view attachments ]
Meteoschield Pro comparison (WH32 EP) -Davis VP2 PRO (ventilato)
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meteoschield pro comparison (WH32 EP) -Davis 7714(WH31 EP)
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meteoschield pro comparison (WH32 EP) -RAD 02-14 (WH£! EP)
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meteoschield pro comparison (WH32 EP) -WS80-VN1900(test)
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meteoschield pro comparison (WH32 EP) -LaSTEM WH31 EP)
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comparison of anemometers
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hot day yesterday which recorded a maximum of 38.4 ° (2nd highest value of this year) these are the results ... amazing performance of davis 7714 with EP sensor inside good performance of 2 metspecs and ecowitt all in sum they defend themselves (better the vn1900) the lastem does what it can, for the vp2 pro ventilated, the same is always true, as long as the wind remains weak (below 5 km / h) it is unsurpassable, when the wind increases, the situation changes in the anemometric comparison to note the WS68 (ecowitt) perfectly aligned with the wind sensor of the davis vp2 pro =D> [tup]
ivano:
comparison of 08-19-2021 station [ You are not allowed to view attachments ]
comparison meteoshield pro (WH32 EP) -Davis VP2 PRO (ventilated)
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comparison meteoshield pro (WH32 EP) -Davis 7714 (WH31 EP)
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comparison meteoshield pro (WH32 EP) -RAD 02-14 (WH31 EP)
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comparison meteoshield pro (WH32 EP) -Lastem (WH31 EP)
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comparison meteoshield pro (WH32 EP) -WS80-VN1900 (Ecowitt)
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comparison of anemometers
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we resume after the mid-August holidays with our comparisons, yesterday windy day, but with good solar radiation, as usual when the wind is sustained, the ventilated screens suffer a little, while the performance of the davis 7714 is to be emphasized, which with the probe sensor positioned as Davis recommends, it works great :), excellent performance even of the 2 rad 02-14 of the Metspec, even the ecowitts defend well =D> =D>
hmderek:
Haven't read the entire topic. Do you have a theory as to why the ventilated Davis performs so differently?
ivano:
--- Quote from: hmderek on August 20, 2021, 07:21:23 AM ---Haven't read the entire topic. Do you have a theory as to why the ventilated Davis performs so differently?
--- End quote ---
hello, when the wind is above 10 km / h the ventilated starts to worsen its performance, the reason is simple, the ventilated always sucks the same amount of air both with no wind and strong wind, while for passive screens with strong wind, they work better, as more air arrives on the sensor, when the wind is absent, or weak, the speech changes the ventilated ones work well and are unsurpassed, while the passives suffer, so before installing a solar shield, it is necessary to understand the microclimate of the installation area, if it is well ventilated all year round, there is no need to install a ventilated one, but better a good passive screen,
ivano:
hi, look at how a ventilated davis vp2 behaves with the arrival of a storm, the response delay compared to a passive shielding is considerable ](*,)
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