Reference Only

P 2 / 6

MURATA MANUFACTURING Co., LTD.

Rev.N

7.

7.1 Shock Test

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with initial stage at 25 degC

after applied following test conditions

Acceleration

:

sine 980 m/s

Direction

:

3 directions

Shock time

:

3 times / directions

7.2 Vibration Test

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with initial stage at 25 degC

after applied following test conditions

Vibration frequency

:

10 to 55 Hz

Sweep Period

:

1 min.

Amplitude

:

1.5 mm

Directions

:

3 directions

Time

:

2 hours / direction

7.3 Resistance to Soldering Heat

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with Initial stage at 25 degC in

1hour after touching soldering iron (Iron temperature : 350 degC), 3 seconds with the terminal.

(Touching point must be 2mm or more away from the transducer body.)

7.4 High Temperature Test

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with initial stage at 25 degC in

24 hours after applied following test conditions

Temperature

:

+85 +/-2 degC

Time

:

100 hours

7.5 Low Temperature Test

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with initial stage at 25 degC in

24 hours after applied following test conditions

Temperature

:

-40 +/- 2 degC

Time

:

100 hours

7.6 Humidity Test

The variation of the sensitivity at 40 kHz is within +/-3 dB compared with initial stage at 25 degC in

24 hours after following test conditions

Temperature

:

+60 +/-2 degC

Humidity

:

90 to 95 %R.H.

Time

:

100 hours

7.7 Pull Strength

There should be no substantial damage until 9.8 N pulling force.