QDF系列热球式电风速计
该系列产品为经济型,其价格低,适合少投资、不经常使用,但又必须装备的企事业单位。
热球式电风速计是以测量风速为基本功能的便携式低风速测量仪表,尤其适用测量微风,在测量管道风速及采暖、空调制冷、环境保护、节能监测、气象、农业、冷藏、干燥、卫生防疫、**控制、劳动卫生调查、洁净车间、化纤纺织,各种风速实验等方面有广泛用途。
QDF SeriesHot-bulb Wind Velocity Instrument
Its main feature is low price especially for those enterpriseswho must equip such device but with less investment and no oftenuse.
It is a portable and intelligent instrument mainly for lowwind velocity, combined with the function for the measurement ofwind temperature and relative humidity. It is widely used inpipeline environment, heating, refrigeration, environmentprotection, energy monitor, weather, textile industry and kinds ofwind velocity experiment, etc.
主要技术参数(TechnicalParameter)
风 速(wind velocity):0.05-30m/s,误差(error):≤5%U
附加误差(measure error):
当电源电压由额定值降到额定值的80%时,(QDF–3型为90%),其附加测量误差不大于±3%。测头方向偏差在±15℃时,其附加指示误差不大于±5%。
响应时间(response time):1-3s
电源电压(supply voltage):1#电池4节,6V。
外型尺寸(dimension):270×240×110mm
重 量(weight):2.5kg
传感器长度(length of sensor):引线3米,测杆0.62米,测杆直径φ11毫米。
lead wire 3m, handlelength 0.62m, handle diameter φ11mm.
工作环境(operating environment):
温 度(temperature):0-40ºC
相对湿度(relative humidity):<85%RH
型号规格:QDF–2A型0.05-10 m/s,QDF–2B型0.05-5 m/s,QDF–3型0.05-30 m/s