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

≥-80 dBV/μMbar

6

Directivity

80deg

7

Capacitance

pF

2000±25%@1KHz

8

Detectable range

m

0.2….2

9

Operating Temperature

℃

-30….+85