ES-W3400 Agrometeorological Station

Parameter

Measuring Range

Resolution

Accuracy

Air Temperature

-40 ~ 80 ℃

0.1 ℃

±0.3 ℃ (at 25 ℃)

Relative Humidity

0 ~ 100 %RH

0.1 %RH

±3 %RH (10%~80%RH, non-condensing condition)

Wind Speed

0 ~ 60 m/s

0.1 m/s

±(0.3+0.03v) m/s (v = standard wind tunnel speed)

Wind Direction

0 ~ 359.9 °

0.1 °

±3 ° (when wind speed < 5 m/s)

Atmospheric Pressure

950 ~ 1050 hPa

0.1 hPa

±0.3 hPa (at 25 ℃, 950~1050 hPa)

Rainfall

Max 4 mm/min

0.2 mm

±0.6 mm (R ≤ 10 mm); ±6% (R > 10 mm)

Global Solar Radiation*

0 ~ 2000 W/m²

1 W/m²

<±5% @ 600 W/m², compared with Class-A EKOMS802 radiometer

Illuminance

0 ~ 200 Klux

1 lux

±3% FS or ±1% FS

Sunshine Duration

0 ~ 24 h

0.1 h

±5%

Dew Point Temperature

0 ~ 40 ℃

0.1 ℃

≤0.5 ℃ (0~30 ℃); >1 ℃ (<0 ℃ or <40%RH)

Reference Evapotranspiration ET₀

0 ~ 80 mm/d

0.1 mm/d

±25%

Evaporation*

0 ~ 80 mm

0.1 mm

±5%