鉅發企業 ( 香港 ) 有限公司

Transmitter:

Construction: Open structure type   

Center frequency: 40.0±1.0KHz      

Sound pressure level: at10V（0dB=0.02mPa）： 112dB min.   

Receiver:

Receiver Sensitivity: at 40KHz (0dB=V/ubar)：≥-65dB

Capacitance: 2400Pf±20%   

Maximum input voltage: 60Vp-p     

Directivity: 60°±15° (-6dB)   

Operating temperature: -20°C~+70°C   

Storage Temperature: -40°C~+85°C

Weight: 2.2g