Search Search Sport and leisure facilities will benefit from new lightning warning system ...measurements such as optical flash detection in an attempt to reduce false alarms and employ complex signal… RWS, SWS and VPF Visibility & Present Weather Sensor FAQs ...should it be done? Determination of visibility is based on measurements of the atmospheric extinction coefficient (EXCO),… The home of the original back scatter head since the 1990’s ...and snow. Figure 2: Different forward and back scattered relative intensities for rain and snow. The crystalline… BTD-200 Lightning Warning System BTD-200 Lightning Warning System The BTD-200 Lightning Warning System is a complete detection and warning system which… Serial Communications Interface Unit (SCIU) Optically isolated RS422/RS485 to USB convertor. Serial Communications Interface Unit allows connection of devices with a RS422… Previous 1 … 3 4 5