Product Name: 55kHz Car Detection Ultrasonic Sensor for Auto Sensor Model NO.: KT55-1522 Material: Mixture Brand: Kangtong Output: Analog Sensor Production Process: Integration Trademark: Kangtong Transport Package: Box Specification: Customized Origin: Shenzhen, China Product Description Product model:KT55-15221.Electrical performance specifications No.Test itemsStandard and test condition1Center frequency(KHz)55.5±1.0(Piezoelectric impedance analyzer)2Sensitivity(us)≥200(normal temp test 0.8mΦ75mmPVCpipe)3-Beamdirectionangle(deg)(º)Horizontal 100±15Vertical 50±154Residual oscillation(ms)<=1.68(Normal temp test includingtransmittingfundamental wave)5FunctionTransmitter / Receiver6ranging>=0.8m (normal temp test Φ75mmPVCpipe)7capacitance (pF)(25ºC)1800±15% 8Allowable Input Voltage(Vp-p) Max140(Pulse width 0.5ms, interval 10ms)9mean time between failures(H)50000H10Operating temp(ºC)-30~+8011Storage temp(ºC)-40~+8512TerminalPIN13Weight(g)2.214ColorCustomized2.Outline dimension and angle3.Environmental testNo.Test itemsTest conditionStandard1High tempstorage test144 hours at + 85 ºCAfter the test and placein + 25 ºC (room temp) for 24 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value 2Low tempstorage test144 hours at - 40 ºC3High tempand high humidity storage test144 hours at + 65 ºC and 85 ± 5% RH4Thermal shock testParallel 3.9k Ω resistor at both ends of the probe, keep the tempat - 40 ± 5 ºC for 0.5h, and increase the tempto 85 ± 5 ºC within 5 minutes and keep for 0.5h.100 cycles.After the test and placein + 25 ºC (room temp) for 24 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value 5Vibration testProducts 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 respectivelyAfter the test and placein + 25 ºC (room temp) for 4 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value 6Monomer drop test15 free fall tests carried out from 100 ± 10cm height to 50mm thick wooden floorAfter the test and placein + 25 ºC (room temp) for 4 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value7Strength test of outletApply 9.8N pulling force between shell and pinfor 30 secondsThe pine is not loose or falling off, the product function is normal, and the wire is not damaged8Protection levelPlace the probe in 15cm deep water and soak for 24 hoursTake out the probe from the water and install it on the test board to measure the distance. The probe works normally without long sound.9High and low tempcharacteristic testKeep the temp at -40ºC for 2h,increase to 25ºC and keep for 2h,increase to 85ºC and keep for 2h. After the test and placein + 25 ºC (room temp) for 2 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value10High and low tempworking testUnder high temp 85 ºC, low temp - 40 ºC, working voltage 140 Vp-p, pulse number 20, continuous working 48 hoursProbe works normally (sensitivity and residual vibration are within normal range)4.Test conditions and instrumentsNo.Test itemTest instruments/methodTest condition1Resonant frequencyImpedance analyzerTesttemperature 25 ± 5 ºC2Static capacitanceLCR bridge measuring instrumentTesttemperature 25 ± 5 ºC3Residual oscillationKT test equipmentTesttemperature 25 ± 5 ºC4SensitivityKT test equipment1.2m at room temperature, target Φ 75mm PVC pipe5Angle (X & Y axis)KT test board, as per Fig.1Under 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 obstacles6Maxallowable input voltageKT test board and Oscilloscope140vp-p, pulse width 0.5ms,interval 10ms7Mean time between failuresaging test rackTesttemperature 25 ± 5 ºC5.Detection angle test diagram6.Precautions1. The product can only be used in the air, not in the liquid2. In order to prevent the sensor from working failure or performance degradation, the anti failure function shall be added to the product design, and the product shall not be used under the following or similar conditions. a)Strong shock or vibration b) Prolonged exposure to high temperature and humidity;c) In corrosive gas or sea breezed) Exposure to dissolved organic mattere) Dusty environment; f) Over allowable input voltage7.Quality assuranceThe sensor defects due to the manufacturer and found during the warranty period of the product can be replaced free of charge.The following situations are not covered by the warranty.Improper use or handling by users. Changedor repairedby the users. Any other situation that does not belong to the responsibility of the manufacturer, such as natural disasters, accidents, etc.