No.

Item

Unit

Specification

1

structure

Open

2

Using method

Transmitter, receiver

3

Nominal Frequency

Hz

25K

4

S P L for transmitter

dB

≥112(10V/30cm/sine wave)

5

Sensitivity for receiver

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 ≥-68dBV/μMbar

6

Directivity

80deg

7

Capacitance

pF

2400±25%@1KHz

8

Detectable range

m

12

9

Operating Temperature

℃

-30….+85

10

Housing material

Al （Black）