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ULTRASONIC SENSOR MEMBRANES
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Ultrasonic sensor of Open Structure Type |
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This sensor is made transmitter / receiver or combined type of ultrasonic sensor.
Characteristic of it is |
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- High Sensitivity [transmitting & receiving]
- Long range detecting ability [up to 6m]
- Broad range of useable temperature |
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 USES |
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- Back alarm sensor for automobile
- Parking lot, unmanned parking meters
- Range-finding device
- Water or liquid's surface measuring instrument
- Alarm system
- Automobile doors
- Approaching switch
- Motion control |
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| Sertifications |
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| MODEL |
ST-501 T/R |
ST-502 T/R |
ST-502 T/R |
ST-504 S |
ST-504 S |
| Frequency[kHz] |
40 |
¡ç |
¡ç |
¡ç |
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| Sound Pressure[dB] |
120min |
112min |
117min |
110min |
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| Sensilivity[dB] |
-65min |
-70min |
-65min |
-70min |
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| Directivity[deg] |
55 |
72 |
55 |
72 |
T : Transmitter |
| Capacitance[pF] |
1,600¡¾20% |
1,600¡¾20% |
1,600¡¾20% |
1,600¡¾20% |
R : Receiver |
| Operating Temperature[¡É] |
-30~ + 80 |
¡ç |
¡ç |
¡ç |
S : T / R Dual Type |
| Detectable Range[m] |
6max |
4max |
0.2 ~ 4 |
0.2 ~ 3 |
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| Dimension[mm] |
¨ª16 X 12h |
¨ª10 X 7h |
¨ª16 X 12h |
¨ª10 X 7h |
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| Weight[g] |
2.1 |
1.2 |
2.1 |
1.2 |
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| Maximum Input Voltage[Vp-p] |
20Vms |
20Vms |
21Vms |
22Vms |
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| Case Material
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Aluminum or Plastic
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