高空工作的風速監察

* 吊船工作安全指引:  可承受每秒 14 米的持續風速 / 強達每秒 31 米的陣風。

**天秤工作安全指引 : 風速超過每小時62公里,立即停止吊秤工作。

 

The Air Velocity Meter is a measuring instrument for various wind related parameters. It has got an impeller diameter of ten centimeters. Moreover, if required, it is possible to order a set of flow hoods which provide a fast and reliable method which helps to use the 100 mm (4-inch) large impeller head optimally.

Air Velocity Meter VA 20

  • Wind speed measurement range 0.2 ... 30 m / sec.
    Wind speed accuracy <20 m / sec .: ± (1.5% of the MW + 0.3 m / sec.) 
    > 20 m / sec .: ± (3% MW of +0.3 m / sec.)
    Air temperature measuring range -20 ... +60 ° C
    Wind temperature accuracy ± 0.6 ° C
    Wind temperature resolution 0.1 ° C / ° F
    Humidity measuring range 0.1 ... 99.9% RH
    Humidity resolution 0.1% RH
    Humidity accuracy ± 3% RH (at 25 ° C and 10 ... 90% RH) 
    other: ± 5% RH
    Temperature response time 60 seconds
    Humidity response time 60 seconds
    LCD update 1 x per second
    Wet bulb temperature display -20 ° C ... +59,9,9
    Dew point display -5 ... +59.9 ° C
    Flow rate display 0 ... 99999 m³ / min
    Flow resolution 0.1 (0 ... 9999.9) or 1 (10000 ... 99999)
    Automatic power off after 20 minutes of inactivity
    LCD size 32.5 x 54 mm (H x W)
    Operating Conditions 0 ... + 50 ° C, RH <80%
    Storage conditions -10 ... +50 ° C, RH <90%
    Dimensions 269 x 106 x 51 mm
    Weight approx. 200 g
    Power supply 4 batteries (AAA)

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