เซ็นเซอร์อัลตราโซนิกใช้คุณสมบัติของคลื่นเสียง,ให้การสัมผัสแบบไม่สัมผัส、รูปแบบการตรวจจับที่แม่นยำเพื่อตรวจจับสถานะและระยะทางของวัตถุ。โดยการปล่อยคลื่นเสียงเชิงกลที่มีความถี่สูงมาก,เซ็นเซอร์ได้รับคลื่นเสียงที่สะท้อนกลับมาจากวัตถุที่พบ,หลังจากคำนวณเวลาหรือพลังงานระหว่างการปล่อยและรับคลื่นเสียง,ได้รับระยะทางที่แน่นอนหรือสถานะของวัตถุเป้าหมาย。เซ็นเซอร์อัลตราโซนิกแตกต่างจากสวิตช์ความใกล้ชิดและเซ็นเซอร์ตาแมวทั่วไป。เปรียบเทียบสวิตช์ความใกล้ชิดอุปนัยหรือ capacitive,มีระยะตรวจจับที่ยาวขึ้น,เปรียบเทียบเซ็นเซอร์ตาแมว,มันสามารถนำมาใช้ในสภาพแวดล้อมที่รุนแรงมากขึ้น,ไม่ได้รับผลกระทบจากสีของวัตถุเป้าหมายเช่นเดียวกับฝุ่นละอองในอากาศ、ผลกระทบ เช่น ละอองน้ำ。เหมาะสำหรับการตรวจจับที่แตกต่างกัน
| รุ่น | KJT-U18B-500 |
| ช่วงการตรวจจับ | 50-500mm |
| พื้นที่ตาบอด | 0-50mm |
| ความละเอียด | 0.17mm |
| ทำซ้ำความถูกต้อง | มูลค่าช่วงเต็ม±0.15% |
| ความแม่นยำ | ±1%(การชดเชยการดริฟท์อุณหภูมิในตัว) |
| เวลาตอบสนอง | 30ms |
| เปลี่ยนความถี่ | 33Hz |
| สลับล่าช้า | ±4mm |
| หน่วงเวลาเปิดเครื่อง | |
| แรงดันใช้งาน | 10-30V DC, UB≥12V |
| LEDไฟแดง | ไม่มีเป้าหมาย สว่างตามปกติ,ไม่มีเป้าหมายกระพริบขณะเรียน |
| LEDไฟเขียว | ตรวจพบว่าวัตถุเป้าหมายสว่างปกติ,มีเป้าหมายกระพริบขณะเรียน |
| โหลดความต้านทาน | I/0~300Ω,U/>1kΩ |
| ป้องกันการโอเวอร์โหลด | 200mA,ไฟสีแดง ไฟเขียวกะพริบพร้อมกัน |
| ไม่มีกระแสโหลด | ≤30mA |
| แรงดันไฟฟ้าตก | ≤2V |
| ประเภทอินพุต | ด้วยฟังก์ชั่นการซิงโครไนซ์และฟังก์ชั่นการเรียนรู้ |
| วัสดุ | ทองแดงชุบนิกเกิล,อุปกรณ์พลาสติก,แก้วเติมอีพ็อกซี่ |
| ระดับการป้องกัน | IP67 |
| ประเภทการเชื่อมต่อ | 5แกนกลางM12ชิ้นส่วนเชื่อมต่อ |
| อุณหภูมิแวดล้อม | -25℃~+70℃(248~343K) |
| อุณหภูมิการจัดเก็บ | -40℃~+85℃(233~358K) |
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