40khz 25khz Ultrasonic Piezoelectric Transducer Remote Control System
40khz 25khz Ultrasonic Piezoelectric Transducer Remote Control System
Open Type Ultrasonic Sensor
Production details:
|
No. |
Item |
Unit |
Specification |
|
|
1 |
Fo Center Frequency |
KHz |
25±1 |
|
|
2 |
Free Capacitance |
pF |
2500±25% |
|
|
3 |
Min. Sound Pressure level |
dB |
≥110 |
|
|
4 |
Sensitivity |
dB |
≥-70dB |
|
|
5 |
Meterial |
|
Aluminum |
|
|
6 |
Operating temp
|
℃ |
-40℃～+85℃ |
|
|
7 |
Storage temp
|
℃ |
-40℃～+85℃ |
|
|
8 |
Dimension
|
mm |
24*13 |
|
|
9 |
Weight |
g |
1.0 |
|
•All specification taken typical at 25C
Closer frequency tolerance,short ringing and wider bandwidth models can be supplied upon request.
Test circuit:
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ENVIRONMENT TEST
|
NO. |
ITEM |
TEST CONDITION AND REQUIREMENT |
|
1 |
High Temperature Test (Storage)
|
After being placed in a chamber with 70ï2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ï10dB. |
|
2 |
Low Temperature Test (Storage)
|
After being Placed in a chamber with -20ï2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ï10dB. |
|
3 |
Humidity Test
|
After being Placed in a chamber with 90-95% R.H. at 40ï2ºC for 96 hours and then being placed in normal condition for 2 hours. Allowable variation of SPL after test: ï10dB. |
|
4 |
Temperature Cycle Test
|
The part shall be subjected to 5 cycles. One cycle shall be consist of:
Allowable variation of SPL after test: ï10dB. |
TEST CONDITION.
Standard Test Condition : a) Temperature : +5 ~ +35℃ b) Humidity : 45-85% c) Pressure : 860-1060mbar
: a) : +5 ~ +35℃ b) : 45-85% c) : 860-1060mbar
Judgment Test Condition : a) Temperature : +25 ± 2℃ b) Humidity : 60-70% c) Pressure : 860-1060mbar
a) : +25 ± 2℃ b) : 60-70% c) : 860-1060mbar
Ultrasonic TransducerSensor testing:
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