Audiometru de screening ST 20 SISI

frecvente: 0,25-8 kHz, -10 pana la 100 dB, ton pur sau pulsatoriu

teste: audiometrie tonala, conducere aeriana si conducere osoasa, mascare, SISI( 4,8/0,2s); 1 dB ( test). LCD display

optional: free field