The signal-informing akustometricheskaya system

The signal-informing akustometricheskaya system comprising a measuring microphone with the transmitting device and the power supply, the calculator combining receiver, amplifier unit, a filter unit power detector, a control unit with switches, and a pointer value of the measured noise levels, the display unit, power supply, wherein in that it introduced chetyrehrezhimnoe signal and an information board, wherein the calculator is further provided with a transmitting device for communicating with placards by radio, and chetyrehr olive with signal-placard configured with power supply and a receiver for communication with the calculator by radio is located within sight of working and is performed with providing the possibility of encoding the risk of erroneous actions due to the influence of noise, color and mode indication display: the green continuous - low risk , yellow continuous - assessment of the risks, continuous red - high risk, pulsating red - a very high risk.