| Customization: | Available |
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| Type: | Waterproof Ultrasonic Sensor |
| Output Signal Type: | Ultrasonic |
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| No. | Test items | Standard and test condition |
| 1 | Center frequency(KHz) | 40.0±1.0(Piezoelectric impedance analyzer) |
| 2 | Sensitivity(us) | ≥200(normal temp test 0.8mΦ75mmPVC pipe) |
| 3 | Beam direction angle(deg)(º) | 70±15 |
| 4 | Residual oscillation(ms) | <=1.52(Normal temp test including transmitting fundamental wave) |
| 5 | Function | Transmitter / Receiver |
| 6 | ranging | >=0.8m (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) | 3.3 |
| 14 | Color | Customized |
| No. | Test items | Test condition | Standard |
| 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 | |
| 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 item | Test instruments/method | Test condition |
| 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 normal 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 |
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