TaiMi(Shenzhen) electronics technology Co.,ltd |
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Waterproof OD 25mm 25khz transmitter and receiver Aluminum Ultrasonic transducer sensor
DESCRIPTION: Ultrasonic Sensor
MODEL: TM-A2525H12TR
SPECIFICATIONS
Item | Value |
Using method | Transmitter and Receiver |
Center frequency | 25±1.5KHz |
Capacitance | 2500±20% pF |
Total Beam Angle -6dB | 40°( Typical ) |
Max.Driving Voltage | 180Vp-p |
Operating Temperature | -30~+70℃ |
Storage Temperature | -40~+85℃ |
Housing material | Aluminum |
Weight | 6g |
MECHANICAL DRAWING
unit:mm
TEST CIRCUIT
ENVIRONMENTAL CHARACTERISTICS
1. Sound pressure level and sensitivity shall not change by more than 15dB in temperature range of -20°C
to 60°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.
4.6 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.
TABLE 1