ATTENDANCE PACKAGES AKUSTISK AD230

The acoustic sensor is an extremely user-friendly choice for controlling staircase lighting. The acoustic sensor detects the pressure difference created by the opening of the door, and the lights turn on before a person has even stepped onto the staircase. The AD-230 package includes one sensor, the AD-232 microphone, the relay unit PS-230, and a cable connecting the sensor to the relay unit. The relay unit is connected to the mains electricity and supplies 12V voltage to the AD-231 sensors. The lighting load is connected to the relay unit. This product description is an automated translation of the original Finnish description.