Alecto WS5400 - Page 44

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Accuracy
(700 ~ 1100hPa ± 5hPa) / (540 ~ 696hPa ± 8hPa) (20.67 ~ 32.48inHg ±
0.15inHg) / (15.95 ~ 20.55inHg ± 0.24inHg) (525 ~ 825mmHg ± 3.8mmHg) /
(405 ~ 522mmHg ± 6mmHg) Typical at 25°C (77°F)
Resolution 1 hPa / inHg is 2 decimal place / mmHg is 1 decimal place
In Temperature
Temperature unit °C and °F
Accuracy
<0°C or >40°C ± 2°C (<32°F or >104°F ± 3.6°F)
0~40°C ±1°C (32~104°F ± 1.8°F)
Resolution °C / °F (1 decimal place)
In Humidity
Humidity unit %
Accuracy
1 ~ 20% RH ± 6.5% RH @ 25°C (77°F)
21 ~ 80% RH ± 3.5% RH @ 25°C (77°F)
81 ~ 99% RH ± 6.5% RH @ 25°C (77°F)
Resolution 1%
Out Temperature
Temperature unit °C and °F
Accuracy
5.1 ~ 60°C ± 0.4°C (41.2 ~ 140°F ± 0.7°F)
-19.9 ~ 5°C ± 1°C (-3.8 ~ 41°F ± 1.8°F)
-40 ~ -20°C ± 1.5°C (-40 ~ -4°F ± 2.7°F)
Resolution °C / °F (1 decimal place)
Out Humidity
Humidity unit %
Accuracy
1 ~ 20% RH ± 6.5% RH @ 25°C (77°F)
21 ~ 80% RH ± 3.5% RH @ 25°C (77°F)
81 ~ 99% RH ± 6.5% RH @ 25°C (77°F)
Resolution 1%
Rain
Rainfall unit mm and in
Rain rate unit mm/h and in/h
Accuracy Greater of +/- 7% or 1 tip
Resolution 0.4 mm (0.0157 in)
Wind
Wind speed unit mph, m/s, km/h, knots
Range 0~112mph, 50m/s, 180km/h, 97knots
Accuracy (wind speed) < 5m/s: +/- 0.5m/s; > 5m/s: +/- 6%
Resolution (wind speed) 0.1mph or 0.1knot or 0.1m/s
Resolution (wind direction) 16 or 360 degree
UV Index
Range 0~16
Resolution 1 decimal place
Light Intensity
Light intensity unit Klux, Kfc and W/m²
Range 0~200Klux
Resolution 2 decimal place
Wi-Fi Communication Specication
Standard 802.11 b/g/n