58kHz Aluminum Micro Ultrasonic Detective Sensor for Water Flow Meter

*** Welcome to KongTong***We offer all kinds of Electronic Components ( High frequency sensor ,  Wire harness sensor , Ultrasonic sensor ,Module , Parking sensor, Tire pressure monitor,  Etc.) with a wide range, Good quality, Factory prices and Stylish designs according to your needMore quantity, please contact me about best price and postage More quantity, please contact for best discount and postage (Support bulk orders and Custom service orders )KT58-1412 ( Aluminum )   1.Electronic specification & physical characterItemDescriptionStandard or testing result   ItemDescriptionStandard or testing result1Part NumberKT58-1412  8Weight (g)2.72Center frequency(KHz)58±1.5KHz  9Sensor materialAluminum 6061, Hardness 90±5HV3Residual oscillation(ms)1.36  10Sensor colourNatural aluminum or customization4Capacitance(pF)1800±15% at 25ºC  11Operation Temperature-40ºC~+85ºC5RX  SPL(dB)≥110  12Stock temperature-40ºC~+85ºC6Distance(m)0.25~1.0m≤(standard testing by Φ75mm PVC pipe)  13Beam angle(°)X:50±15 Y:100±157Recycle sensitivity(dB)≥-75  14Max. Input Voltage(Vp -p)150 2.Dimension and detective diagram  3.Environmental testNo.Test itemsTest conditionStandard1High temp storage test144 hours at + 85 ºCAfter 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 2Low temp storage test144 hours at - 40 ºC3High temp and 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 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 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 place in + 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 place in + 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 wire for 30 secondsThe wire 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 capasual from the water and install it on the test board to measure the distance. The probe works normally without long sound.9High and low temp characteristic 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 place in + 25 ºC (room temp) for 2 hours, the sensitivity and residual vibration change shall not exceed 30% compared with the initial value10High and low temp working 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 analyzerambient temperature 25 ± 5 ºC2static capacitanceLCR bridge measuring instrumentambient temperature 25 ± 5 ºC3residual oscillationKT test equipmentambient temperature 25 ± 5 ºC4sensitivityKT test equipment0.8m at room temperature, target Φ 75mm PVC pipe5Angle (X & Y axis)KT test board, as per Fig.1Under normal 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 obstacles6Maximum allowable input voltageKT test board and Oscilloscope140vp-p, pulse width 0.5ms,intermittent: 10ms7Mean time between failuresaging test rackTest temp 25±5ºC 5.Precautions1. Please confirm with us which industry will be used before purchasing for selection. 2. In order to prevent the sensor from failure, 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 breeze    (d)Exposure to dissolved organic matter    (e)Dusty environment;    (f)Over allowable input voltage 6.Quality assuranceThe sensor defects due to the manufacturer during the warranty period of the product can be replaced free of charge.The following situations are not covered by the warranty.1, improper use or handling by users. 2, changed or repaired by