40KHz Open Type Ultrasonic Distance Sensor
Open Structure Ultrasonic Sensor TA004012T-R Technical parameters:
| Model | TA004012T | TA004012R |
|---|---|---|
| Center resonant frequency(kHz) | 40KHZ ± 1.0Khz | 40KHZ ± 1.0Khz |
| Function | Transmitter | Receiver |
| Construction | Open structure type | Open structure type |
| Sound pressure level | 112dB min | / |
| Sensitivity | / | -70dBmin |
| Directivity | 80° ± 15° (-6dB) | 80° ± 15° (-6dB) |
| Electrostatic capacity | 2400Pf± 20% | 2400Pf± 20% |
| Maximum operating voltage (Pulse Duty cycle ratio 2%) | 40Vp-p | 40Vp-p |
| Operating temperature | -20 ~70℃ | -20 ~70℃ |
| Storage temperature | -40 ~85℃ | -40 ~85℃ |
| Size (diameter * height, mm) | Φ12×10 | Φ12×10 |
| Case Material | Aluminum | Aluminum |
| Connection | 2pin | 2pin |
| Weight | 15g | 15g |
Environmental Characteristics
Open Structure Ultrasonic Sensor TA004012T-R
1) Sound Pressure Level and Sensitivity shall not change by more than 15dB in
temperature range of -20° C to 70° C, at a relative humidity of 30%..
2) Sound Pressure Level and Sensitivity shall not change by more than 6dB in the
humidity of 10% to 90%, At the temperature of 25° ..
3) MOISTURE
Keep the sensor at 40° C± 2° C and 90° C to 95° C R.H for 96± 4 hours. Then,
release the sensor into the room conditions for 24 hour prior to the measurement.
It shall fulfill the specifications in Table 1.
4) VIBRATION
Subject the sensor to the vibration for 1 hour each in the X.Y and Z axes with the
amplitude of 1.5mm at 10 to 55 Hz. It shall fulfill the specifications in Table 1.
5) HIGH TEMPERATURE EXPOSURE
Subject the sensor to 80± 5° C for 24± 1 hours. then, release the sensor into the
room conditions for 1 hour prior to the measurement. It shall meet the
specifications in Table 1.
6) LOW TEMPERATURE EXPOSURE
Subject the sensor to -30± 5° C for 24± 1 hours. Then release the sensor into the
room conditions for 1 hour prior to the measurement. It shall meet the
specifications in Table 1.
| ITEM | SPECIFICATION |
| Center Frequency | Within 0.5KHz Compared With Initial Values |
| Sound Pressure Level | Within 3dB Compared With Initial Values |
| Sensitivity | Within 3dB Compared With Initial Values |
※ NOTES
– This sensor is designed for use in air. Do not use this sensor in fluid.
– To prevent sensor malfunctions, operational failure or any deterioration of its
characteristics, do not use this sensor in the following, or similar conditions.
A.In strong shock or vibration.
B.In high temperature and humidity for a long time.
C.In corrosive gases or sea breeze.
D.In an atmosphere of organic solvents.
E. In dirty and dusty environments that may contaminate the sensor front.