Noise Generator Type PM-15
Noise Generator Type PM-15 generates of random electric measuring signals: white noise and pink noise also covering ultrasounds frequency range. Generator Type PM-15 contains voltage amplifier ensures 5 V RMS voltage.
Ultrasonic Source Type UF-1
Ultrasonic Source Type UF-1 generates ultrasounds signals for acoustical testing of measurement microphones and its wind-screens by under free-field conditions.