No.
Item
Unit
Specification
1
Construction
Water proof
2
Using method
Dual Use
3
Nominal Frequency
Hz
40K
4
S P L
dB
≥100(10V/30cm/sine wave)
5
Sensitivity
≥-75dBV/μMbar
6
Directivity
80deg
7
Capacitance
pF
2200±25%@1KHz
8
Detectable range
m
>3
9
Operating Temperature
℃
-30….+85
10
Housing material
Al
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