Optical speed sensor for detecting the speed of rotating components such as propellers, gears, shafts, etc. Example: Adjustment of the propeller to the engine. 
Content: speed sensor with sensor

Using MULTIMAT or "Sensor Data Manager" ** Enable or adjustable: 
Address Address (screen line on transmitter) at which the speed is displayed 
alarm Upper speed value above which an alarm at the transmitter 
Bottom alarm Lower speed value above which an alarm at the transmitter 
option additional generation of minimum, average or maximum speed 
address option address (screen line on transmitter) at which the option value is displayed 
sheet count number of propeller blades