No.

Item

Unit

Specification

1

Construction

Open

2

Using method

Transmitter/Receiver

3

Nominal Frequency

Hz

40K

4

Sensitivity

≥-68V/u Mbar

5

S P L

dB

≥115(10V/30cm/sine wave)

6

Directivity

80deg

7

Capacitance

pF

2400±20%@1KHz

8

Allowable input voltage

Vp-p

150(40KHz)

9

Detectable range

m

18

10

Operating Temperature

℃

-20….+70