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這個設備規符合國際 73/23/EEC, 89/336/ EEC, 93/68/EEC 對 Low Voltage Directives 的規範,
安裝與維護: 將主機固定位一支 1-1/2 或一英寸的 錏管上, 主機箱下方有可固定於管狀物體的結構. 電源與訊號線是以防水的電纜線連接於機箱內的機板上.
校正: 安裝於地點時, 應定期校正設備, 約需時 30 分鐘, 使用隨貨時廠方所供應的校正夾具, 並跟隨一簡單的流程即可.
選購品:
for Aviation applications - used to determine day/night condition for airport weather systems. Automatically switches between Koschmeider’s Law (Day) and Allard’s Law (Night) when this option is used. Outputs ambient light intensity in LUX as well as “D” for day and “N” for night. A low wattage heater on the inside of the window keeps dew from forming on the optics and an external hood reduces stray light. It installs on the mounting pole, just below the visibility sensor.
Visibility Range: 30m - 16 km standard Extinction Range: 100 - 0.1863 km-1 standard Accuracy: +/- 10% RMSE Time Constant: 60 sec Scatter Angle: 42 deg nominal Source: 880 nm LED Output: Serial RS-232 Power: 100-240 VAC, 24 VA Nominal Operating Temperature: -40 to 60 C Operating Humidity: 0-100% Protection: IP66 (NEMA-4X) Weight: 8 kg (18 lb) Dimensions: 889 mm W x 292 mm H x 305 mm D(35 in x 11.5 in x 12 in)Mounting: Nominal 40 mm ISO pipe, 48 mm OD max(1-1/2" IPS pipe, 1.9 inch OD max)
