Part   numberNU40A16TR-1
ConstructionWater   proof   type
Using methodDual use
Center frequency40.0±1.0KHz
Sound pressure level105dB  min.
Sensitivity-82dB  min.
Capacitance1800Pf±20%
Ringing1.2ms   max.
Maximum input voltage120Vp-p
Directivity80°±15°(-6dB)
Operating temperature-20°C~+60°C
Storage Temperature-40°C~+80°C


After sale instructions