The super a wave spreads to feel machineCenter frequency  :  40.0±1.0  kHz Output sound pressure :≥100 sine wave
Receive sensitivity :≥-74dB / v / μbar-6dB Directivity : Horizontal:60 deg. And Vertical:30   Ringing Time  :≤0.8 msCapacitance   pf   @ 120Hz  25 :1800±15%Input voltage :  140 Vp-pOperating Temperature :-40~+80oCStorage Temperature : -40~+85oCMaterials of the case : AluminumType of the terminal  : Pin

Sales Terms & Specifications:

Model No.WS1440A
Place Of OriginChina
Price TermsFOB / CIF / EXW(Factory Price)
Terms Of PaymentT/T, Western Union, PayPal, L/C at sight
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