E-mail:info@v-torch.com |
1.Dimension(Unit:mm)
2.Electrical Characteristics
No. |
Item |
Unit |
Specifications |
1 |
Construction |
|
Open Structure |
2 |
Using Method |
|
Dual Use |
3 |
Center Frequency |
Khz |
40±1khz |
4 |
Sound Pressure Level |
dB |
min.110dB(40.0KHZ)0dB=0.0002 µbar |
5 |
Sensitivity |
dB |
min.-65dBdB /V/ µ bar |
6 |
Capacitance |
pF |
2500pF±25% at 1KHz |
7 |
Directivity |
° |
50deg |
8 |
Operating Tem.Range |
℃ |
-35 to +85℃ |
9 |
Storage Tem.Range |
℃ |
-35 to +85℃ |
10 |
Detectable Range |
m |
0.7...18m |
11 |
Allowable Input Voltage |
Vp-p |
60Vp-p |
12 |
Housing Material |
|
ABS |
3.Directivity
4.Beam pattem
5.Test circuit
OSC. :Oscillator
F.C :Frequency Counter
U.S :Ultrasonic Sensor
S.C.M:Standard Cappacitor Microphone
Amp.:Ampifie
6.Reliability Test
6.1 High temp.life test
Temperature +85±3 ℃
Duration 100hrs
6.2 Low temp.life test
Temperature -40±3 ℃
Duration 100hrs
6.3 Heat Cycle Test
emperature +85±3 ℃ 1hour
-40±3 ℃ 1hour
Cycles 10cycles
6.4 Humidity Test
Temperature +60±2 ℃
Relative Humidity 90~95%
Duration 100hrs
Tests above should be measured after leaving normal temperature for24hrs
6.5 Vibration Test
Vibration Frequency 10~55Hz
Sweep Period 1min
Amplitude(peak to peak) 1.5mm
Direction 3(x.y&z)
Time 2hours/direction
6.6 Shock test
Acceleration sine 100G
Direction 3directions
Shock time 3 time/directions
6.7 Drop test
Height 1m on concrete floor
Times 2times
6.8 Connector soldering check:
mmersing terminal up to 1mm below base in soldering bath at 260 ℃ 10 seconds
Notice:
The variation of the S.P.L or the sensitivity at 40KHz is within 3dB compared with
initial figures at 25 ℃ in 24 hours after above test condition.
7. Caution
7.1 Limitation of Applications
Please contact us before using our product for the applications listed below which
require especially high reliability for the prevention of defects which might directly cause
damage to the third party's life,body or property.
1) Aircraft equipment
2) Aerospace equipment
3) Undersea equipment
4) Power plant control equipment
5) Medical equipment
6) Transportation equipment (vehicles,train,ships,etc.)
7) Traffic signal equipment
8) Disaster prevention/crime prevention equipment
9) Data-processing equipment
10) Application of similar complexity and/or reliability requirement to the applications
listed in the above
7.2 Fail -safe
Be sure to provide an appropriate fail-sate function on your product to prevent a
second damage
that may be caused by the abnormal function or the failure of our product
8. Caution in use
1) Please avoid applying an excessive stress to the transducer because it might be
damaged.
2) The transducer may generate surge voltage by mechanical or thermal shock.
Care should betaken to protect from it in designing your application circuit.
3) Please do not applying DC voltage to the transducer.
4) Please do not use the transducer in water.
5) The piece of sensor may be damaged by force pressure from back of sensor.
6) Please do not use the sensor without painting on the surface.
7)Please well evaluate the painting and electrical characteristic for your coating.
9. Note
1) Please make sure that your product has been evaluated in view of your specifications
with our product being mounted to your product.
2) You are requested not to use our product deviating from the agreed specifications.
3) We consider it not to appropriate to include any terms and conditions with regard to the
business
transaction in the product specifications,drawings or other technical documents.
Therefore, of your
technical documents as above include such terms and conditions such as warranty
clause, product
liability clause,or intellectual property infringement liability clause, they will be deemed to
be invalid