Dear Sirs; We need a radiometer balance sensor, for use in a weather station. What model can you offer us? "It is an instrument used to measure the radiation balance at the surface (Rn), in MJ / m.... 本信息还可被浏览: +++
We need the 110V~220V PIR Infrared Motion Sensor Switch, Wall Mounted light Sensor Switch. Brightness sensitivity: 5~500Lux is adjustable Size:86*86*30mm Induction angle:about 115 ° Model N...