SHW1840DA

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【用　途】 超声波传感器【性能 参数】----- PHOTO ----------- OUTLINE DRAWING -(UNIT:mm)---------- SH1840DA -------- APPLICATIONS -----FEF3C9------ ITEM ------SH1840DA1. REMOTE CONTROLLER FOR HOME ELECTRIC APPLIANCE AND ELECTRONIC EQUIPMENT.2. ULTRASONIC DISTANCE MEASURING VEHICLE BACKING AND COLLISION EQUIPMENT, ULTRASONIC APPROCHACHING SWITCH3. ULTRASONIC TRANSMITTING AND RECEIVINGFOR BURGLAR DETECTION DISASTER DENTECTION.------ 适用范围 ------1.家用电器和其他电子设备的遥控装置。2.超声测距，汽车倒车防撞装置和超声波近接开关。3.防盗、防灾设备的超声波发射和接收。FUNDAMENTAL Frequency-频率40,000 Hz SENSITIVITY-灵敏度min.-65dBSOUND PRESSURE LEVEL(min)-输出音压min.100dBCAPACITANCE 静电容量2000pF±20% RATED FREQUENCY-余振时间（最大）max.0.5msOPERATING TEMPERATURE RAGE-工作温度-30℃ to +80℃METALS OF CASE 外壳材料Aluminum * All specification taken at 25℃ 【代换】【SHW1840DA的】