No.

Item

Unit

Specification

1

Construction

Water proof

2

Using method

Transmitter

3

Nominal Frequency

Hz

25K

4

S P L

dB

≥100(10V/30cm/sine wave)

5

Sensitivity

空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空空≥-75dBV/μMbar

6

Directivity

deg

50

7

Capacitance

pF

2400±25%@1KHz

8

Detectable range

m

2.5

9

Operating Temperature

℃

-30….+85

10

Housing material

Al (Silver)