300khz 20khz narrow beam ultrasonic sensor

{"cid":"91198955","title":"300KHZ 20KHZ Narrow Beam Ultrasonic Sensor Ultrasonic Air Transducers","imgUrl":"https:\/\/img.ismap.com\/nimg\/ad\/7e\/fd68d95946a4cefd95a489e9127c-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"TAIMI","Model Number":"TM-20-200khz Ultrasonic Gas Flow Sensor","Minimum Order Quantity":"1000PCS","Delivery Time":"10~20days","Certification":"ISO,RoHS CE","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"100000\/month","Packaging Details":"safe packaging","Type":"Piezoresistive Ceramic 200khz gas sensor","Application Humidification":"Air Conditioning and Refrigerator Piezoresistive Ceramic gas sensor","Output":"4-20mA(2 Wires)\/0-5V\/0-10V","Material":"Ceramic Al2O3 96%","Frequency":"200khz 300khz Air ultrasoinc sensor","Usage":"Air Sensor","Color":"White","Application":"Air and liquid filtration","Warranty":"3 years,2 Years","Keywords":"Air sensor transducer 200khz sensor"}}

{"cid":"91188394","title":"KUS550 Analog Output Ultrasonic Sensor For Short Distance Measurement","imgUrl":"https:\/\/img.ismap.com\/nimg\/ab\/30\/85062611821727000254792f4cc0-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"KACISE","Model Number":"KUS550","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"1000 Piece\/Pieces per Week negotiable","Packaging Details":"each unit has individual box and all boxes are packed in standard packages or customers requests available","Certification":"CE","Range":"0.15m~0.6m","Supply voltage":"3.3 ... 30 VDC","Working current":"\u2264 10 mA","Output signal":"0-3V\uff0c0-5V\/4-20mA\/NPN\/PNP\/RS485","Measurement accuracy":"\u22641 %F.S.","Temperature compensation":"Yes","Ranging resolution":"0.1mm","Working temperature":"-40\u202685\u2103(233...358K)","Protection class":"IP68","Shell material":"PVDF","Electrical connection":"5-core cable (analog output), 6-core cable (switch output)"}}

{"cid":"91196390","title":"Waterproof Ultrasonic Gas Transducer , Plactic Housing Ultrasonic Gas Sensor","imgUrl":"https:\/\/img.ismap.com\/nimg\/dc\/a0\/1ec62c9e15e8e016c2f94fd60d9a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"YUJIE","Model Number":"HJ-GF200KH","Minimum Order Quantity":"100 Piece\/Pieces","Delivery Time":"3~30 working days","Place of Origin":"China","Supply Ability":"10000 Piece\/Pieces per Month","Packaging Details":"Carton #: 22x22x18cm","Certification":"ISO9001","Payment Terms":"T\/T, Western Union","Theory":"Ultrasonic Sensor","Usage":"Flow tranducer","Frequency":"200Khz","Port":"Shenzhen"}}