| Customization: | Available |
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| Type: | Waterproof Ultrasonic Sensor |
| Output Signal Type: | Ultrasonic |
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| No. | Test items | Standards and test conditions |
| 1 | Center frequency(KHz) | 55.5±1.0(Piezoelectric impedance analyzer) |
| 2 | Sensitivity(us) | ≥200(normal temp test 0.8mΦ75mmPVC pipe) |
| 3 | Beam direction angle(deg)(º) | Horizontal 100±15 / Vertical 50±15 |
| 4 | Residual oscillation(ms) | <=1.68(Normal temp test including transmitting fundamental wave) |
| 5 | Function | Transmitter & Receiver |
| 6 | Detection range | 0.25~1m(normal temp test Φ75mmPVC pipe) |
| 7 | Capacitance (pF)(25ºC) | 1800±15% |
| 8 | Allowable Input Voltage(Vp-p) | Max140(Pulse width 0.5ms, interval 10ms) |
| 9 | Mean time between failures(H) | 50000H |
| 10 | Operating temp (ºC) | -30~+80 |
| 11 | Storage temp (ºC) | -40~+85 |
| 12 | Terminal | PIN |
| 13 | Weight(g) | 2.2 |
| 14 | Color | Customized |
**All specification taken typical at 25°C
2. OUTLINE DIMENSIONS
**(UNIT: mm)
3. ENVIRONMENT TESTING
| No. | Test items | Test conditions | Standards |
| 1 | High temp storage test | 144 hours at + 85 ºC |
After the test and place in + 25 ºC (room temp) for 24 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value |
| 2 | Low temp storage test | 144 hours at - 40 ºC |
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| 3 | High temp and high humidity storage test | 144 hours at + 65 ºC and 85 ± 5% RH | |
| 4 | Thermal shock test | Parallel 3.9k Ω resistor at both ends of the probe, keep the temp at - 40 ± 5 ºC for 0.5h, and increase the temp to 85 ± 5 ºC within 5 minutes and keep for 0.5h. 100 cycles. | After the test and place in + 25 ºC (room temp) for 24 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value |
| 5 | Vibration test | Products bear the vibration with frequency 10-55hz, amplitude 1.5mm,and sweep rate 1oct / min, from X, Y and Z directions for each 2 hours respectively | After the test and place in + 25 ºC (room temp) for 4 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value |
| 6 | Monomer drop test | 15 free fall tests carried out from 100 ± 10cm height to 50mm thick wooden floor | After the test and place in + 25 ºC (room temp) for 4 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value |
| 7 | Strength test of outlet | Apply 9.8N pulling force between shell and pin for 30 seconds | The pin is not loose or falling off, the product function is normal, and the wire is not damaged |
| 8 | Protection level | Place the probe in 15cm deep water and soak for 24 hours | Take out the probe from the water and install it on the test board to measure the distance. The probe works normally without long sound. |
| 9 | High and low temp characteristic test | Keep the temp at -40ºC for 2h,increase to 25ºC and keep for 2h,increase to 85ºC and keep for 2h. | After the test and place in + 25 ºC (room temp) for 2 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value |
| 10 | High and low temp working test | Under high temp 85 ºC, low temp - 40 ºC, working voltage 140 Vp-p, pulse number 20, continuous working 48 hours | Probe works normally (sensitivity and residual vibration are within normal range) |
| No. | Test items | Test equipment/method | Test conditions |
| 1 | Resonant frequency | Impedance analyzer | Test temperature 25 ± 5 ºC |
| 2 | Static capacitance | LCR bridge measuring instrument | Test temperature 25 ± 5 ºC |
| 3 | Residual oscillation | KT test equipment | Test temperature 25 ± 5 ºC |
| 4 | Sensitivity | KT test equipment | 0.8m at room temperature, target Φ 75mm PVC pipe |
| 5 | Angle (X & Y axis) | KT test board, as per Fig.1 | Under room temperature, the probe is 500mm from the ground, 500mm from the object to be detected, and the object to be detected is Φ 75mm PVC pipe, 1000mm high. The test environment: 2 meters in front and 1.5m in the left and right without obstacles |
| 6 | Max allowable input voltage | KT test board and Oscilloscope | 140vp-p, pulse width 0.5ms, interval 10ms |
| 7 | Mean time between failures | Aging test rack | Test temperature 25 ± 5 ºC |
5. DETECTION ANGLE TEST SCHEMATIC
6. CAUTIONS
Any other situation that does not belong to the responsibility of the manufacturer, such as natural disasters, accidents, etc.
8. ENVIRONMENTAL COMMIITMENT
In addition to the piezoelectric ceramic chips, the remaining material with ROHS standard.
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