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.

VA 20 Manual Download

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)

Air Velocity Meter VA 20

Tech Specs