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P+F超声波传感器主要材料有压电晶体（电致伸缩）及镍铁铝合金（磁致伸缩）两类。电致伸缩的材料有锆钛酸铅（PZT）等。压电晶体组成的超声波传感器是一种可逆传感器，它可以将电能转变成机械振荡而产生超声波，同时它接收到超声波时，也能转变成电能，所以它可以分成发送器或接收器。有的超声波传感器既作发送，也能作接收。这里仅介绍小型超声波传感器，发送与接收略有差别，它适用于在空气中传播，工作频率一般为23-25KHZ及40-45KHZ。这类传感器适用于测距、遥控、防盗等用途。该种有T/R-40-16，T/R-40-12等（其中T表示发送，R表示接收，40表示频率为40KHZ，16及12表示其外径尺寸，以毫米计）。另有一种密封式超声波传感器（MA40EI型）。它的特点是具有防水作用（但不能放入水中），可以作料位及接近开关用，它的性能较好。超声波应用有三种基本类型，透射型用于遥控器，防盗报警器、自动门、接近开关等；分离式反射型用于测距、液位或料位；反射型用于材料探伤、测厚等。
P+F超声波传感器超声波传感器利用声波介质对被检测物进行非接触式无磨损的检测。超声波传感器对透明或有色物体，金属或非金属物体，固体、液体、粉状物质均能检测。其检测性能几乎不受任何环境条件的影响，包括烟尘环境和雨天。
检测模式
超声波传感器主要采用直接反射式的检测模式。位于传感器前面的被检测物通过将发射的声波部分地发射回传感器的接收器，从而使传感器检测到被测物。
还有部分超声波传感器采用对射式的检测模式。一套对射式超声波传感器包括一个发射器和一个接收器，两者之间持续保持“收听”。位于接收器和发射器之间的被检测物将会阻断接收器接收发射的声波，从而传感器将产生开关信号。
慕弘工业设备（上海）有限公司专业供应：
| UB4000-F42-E5-V15 | UB120-12GM-E4-V1 |
| UB4000-F42-E6-V15 | UB120-12GM-E5-V1 |
| UB4000-F42-E7-V15 | UB120-12GM-I-V1 |
| UB4000-F42-I-V15 | UB120-12GM-U-V1 |
| UB4000-F42-U-V15 | UB200-12GM-E4-V1 |
| UB5000-F42-UK-V95 | UB200-12GM-E5-V1 |
| UB6000-F42-E4-V15 | UB200-12GM-I-V1 |
| UB6000-F42-E5-V15 | UB200-12GM-U-V1 |
| UB6000-F42-E6-V15 | UB300-18GM40A-E5-V1 |
| UB6000-F42-E7-V15 | UB300-18GM40A-I-V1 |
| UB6000-F42-I-V15 | UB300-18GM40A-U-V1 |
| UB6000-F42-U-V15 | UB300-18GM40-E5-V1 |
| UB500-F54-E4-V15 | UB300-18GM40-I-V1 |
| UB500-F54-E5-V15 | UB300-18GM40-U-V1 |
| UB500-F54-H3-V1 | UB400-12GM-E4-V1 |
| UB500-F54-I-V15 | UB400-12GM-E5-V1 |
| UB500-F54-U-V15 | UB400-12GM-I-V1 |
| UB2000-F54-E4-V15 | UB400-12GM-U-V1 |
| UB2000-F54-E5-V15 | UB500-18GM75-BIT-V15 |
| UB2000-F54-H3-V1 | UB500-18GM75-E01-V15 |
| UB2000-F54-I-V15 | UB500-18GM75-E23-V15 |
| UB2000-F54-U-V15 | UB500-18GM75-E4-V15 |
| UBE500-F64-SE0 | UB500-18GM75-E5-V15 |
| UBE500-F64-SE0-V3 | UB500-18GM75-E6-V15 |
| UBE500-F64-SE2 | UB500-18GM75-E7-V15 |
| UBE500-F64-SE2-V3 | UB500-18GM75-F-V15 |
| UBE1500-F64-SE0 | UB500-18GM75-I-V15 |
| UBE1500-F64-SE0-V3 | UB500-18GM75-PWM-V15 |
| UBE1500-F64-SE2 | UB500-18GM75-U-V15 |
| UBE1500-F64-SE2-V3 | UB500-30GM-E4-V15 |
| UB500+U9+H3 | UB500-30GM-E5-V15 |
| UB3000+U9+H3 | UB500-30GM-H3-V1 |
| UB6000-FP-H3 | UB800-18GM40A-E5-V1 |
| UC300-30GM-E6R2-K-V15 | UB800-18GM40A-I-V1 |
| UC300-30GM-E7R2-K-V15 | UB800-18GM40A-U-V1 |
| UC300-30GM-IUR2-K-V15 | UB800-18GM40-E5-V1 |
| UC300-30GM-IUR2-V15 | UB800-18GM40-I-V1 |
| UC500-30GM-E6R2-V15 | UB800-18GM40-U-V1 |
| UC500-30GM-E7R2-V15 | UB1000-18GM75-BIT-V15 |
| UC500-30GM-IUR2-V15 | UB1000-18GM75-E01-V15 |
| UC1000-30GM-E6R2-K-V15 | UB1000-18GM75-E23-V15 |
| UC1000-30GM-IUR2-K-V15 | UB1000-18GM75-E4-V15 |
| UC2000-30GM-E6R2-T-V15 | UB1000-18GM75-E5-V15 |
| UC2000-30GM-E6R2-V15 | UB1000-18GM75-E6-V15 |
| UC2000-30GM-E7R2-T-V15 | UB1000-18GM75-E7-V15 |
| UC2000-30GM-E7R2-V15 | UB1000-18GM75-F-V15 |
| UC2000-30GM-IUR2-T-V15 | UB1000-18GM75-I-V15 |
| UC2000-30GM-IUR2-V15 | UB1000-18GM75-PWM-V15 |
| UC4000-30GM-E6R2-V15 | UB1000-18GM75-U-V15 |
| UC4000-30GM-E7R2-V15 | UBE1000-18GM40-SE2-V1 |
| UC4000-30GM-IUR2-V15 | UB2000-30GM-E4-V15 |
| UC6000-30GM-E6R2-V15 | UB2000-30GM-E5-V15 |
| UC6000-30GM-E7R2-V15 | UB2000-30GM-H3-V1 |
| UC6000-30GM-IUR2-V15 | UB4000-30GM-E4-V15 |
| UC300-F43-2KIR2-V17 | UB4000-30GM-E5-V15 |
| UC2000-F43-2KIR2-V17 | UB4000-30GM-H3-V1 |
| UC6000-FP-E6-R2-P5 | UBE4000-30GM-SA2-V15 |
| UC6000-FP-E7-R2-P5 | UB6000-30GM-E4-V15 |
| UC6000-FP-IUE0-R2-P5 | UB6000-30GM-E5-V15 |
| UC6000-FP-IUE2-R2-P5 | UB6000-30GM-H3-V1 |
| UC500+U9+E6+R2 | UB250-F12-EP-V15 |
| UC500+U9+IUE2+R2 | UB250-F12-I-V15 |
| UC3000+U9+E6+R2 | UB250-F12P-EP-V15 |
| UC3000+U9+E7+R2 | UB250-F12-U-V15 |
| UC3000+U9+IUE0+R2 | UB800-F12-EP-V15 |
| UC3000+U9+IUE2+R2 | UB800-F12-I-V15 |
| UC500-D1-3K-V7 | UB800-F12P-EP-V15 |
| UCC1000-30GM-E6R2-V15 | UB800-F12-U-V15 |
| UCC1000-30GM-IUR2-V15 | UB400-F42S-UK-V95 |
| UDC-18GM-400-3E1 | UB400-F42-UK-V95 |
| UDC-18GM-400-3E2 | UB500-F42-E4-V15 |
| UDC-18GM-400-3E3 | UB500-F42-E5-V15 |
| UDC-18GM50-255-3E3 | UB500-F42-E6-V15 |
| UDC-18GM50-400-3E0 | UB500-F42-E7-V15 |
| UDC-18GM50-400-3E1 | UB500-F42-I-V15 |
| UDC-18GM50-400-3E2 | UB500-F42S-E4-V15 |
| UDC-18GM50-400-3E3 | UB500-F42S-E5-V15 |
| UDC-18GMA-400-3E1 | UB500-F42S-E6-V15 |
| UDC-18GMA-400-3E3 | UB500-F42S-E7-V15 |
| UDC-30GM-085-3E3 | UB500-F42S-I-V15 |
| UGB-18GM50-255-2E1 | UB500-F42S-U-V15 |
| UGB-18GM50-255-2E3 | UB500-F42-U-V15 |
| ULB-18GM50-255-2E1 | UB1500-F42S-UK-V95 |
| ULB-18GM50-255-2E3 | UB1500-F42-UK-V95 |
| MH-UDB01 | UB2000-F42-E4-V15 |
| M-105 Montag | UB2000-F42-E5-V15 |
| PA-02 | UB2000-F42-E6-V15 |
| UB-PROG2 | UB2000-F42-E7-V15 |
| UB-PROG3 | UB2000-F42-I-V15 |
| UC-30GM-Prog | UB2000-F42S-E4-V15 |
| UC-30GM-R2 | UB2000-F42S-E5-V15 |
| UC-30GM-Temp | UB2000-F42S-E6-V15 |
| UC-F43-R2 | UB2000-F42S-E7-V15 |
| UC-FP/U9-R2 | UB2000-F42S-I-V15 |
| UVW90-K18 | UB2000-F42S-U-V15 |
| UVW90-K30 | UB2000-F42-U-V15 |
| UVW90-M12 | UB2000W-F42-E6-V15 |
| UVW90-M30 04-B905B | UB3000-F42-UK-V95 |
| UB4000-F42-E4-V15 |
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