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<div class="m2new_t1"><a href="show.php?id=191" title="东莞拨动开关的优点您知道哪些">东莞拨动开关的优点您知道哪些</a></div>
<div class="m2new_time">2021-03<span class="m2newTimes">10</span>
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<div class="m2newDes"><p>东莞拨动开关，接触式行程开关存在响应速度低、精度差、接触检测容易损坏被检测物及寿命短等缺点。而晶体管接近开关的作用距离短，不能直接检测非金属材料。</p></div>
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<div class="m2new_t1"><a href="show.php?id=190" title="轻触开关生产厂家浅谈接近开关的分类">轻触开关生产厂家浅谈接近开关的分类</a></div>
<div class="m2new_time">2021-03<span class="m2newTimes">10</span>
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<div class="m2newDes"><p>轻触开关生产厂家说开关有时也叫电感式接近开关。它是利用导电物体在接近这个能产生电磁场接近开关时，使物体内部产生涡流。这个涡流反作用到接近开关，使开关内部电路参数发生变化，由此识别出有无导电物体移近，进而控制开关的通或断。这种接近开关所能检测的物体必须是导电体。</p></div>
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<div class="overflowHide"><a href="show.php?id=189"><img src="upload_files/2021-03/202103100343394578.jpg" alt="东莞拨动开关如何测量通过拨动开关的电流大小"></a></div>
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<div class="m2new_t1"><a href="show.php?id=189" title="东莞拨动开关如何测量通过拨动开关的电流大小">东莞拨动开关如何测量通过拨动开关的电流大小</a></div>
<div class="m2new_time">2021-03<span class="m2newTimes">10</span>
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<div class="m2newDes"><p>东莞拨动开关这种测量方法的优点足比较直观、方便。缺点是由于测量时通过开关的电流很小，破坏不了接触表面的氧化膜，因而造成较大的识误差(偏大)．因此在高压开关的回路电阻测量中不推荐这种方法。</p></div>
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<div class="foot_t2 wow2 fadeIn"  data-wow-delay="0.5s">服务热线：0769-22675891<span></span>传真：0769-22675890<span></span>地址：广东省东莞市东城区主山街道上三杞工业大道立洲科技园3栋</div>
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<a href="product.php?cid=502">机械开关</a><span>|</span><a href="product.php?cid=463">USB连接器</a><span>|</span><a href="product.php?cid=430">轻触开关</a><span>|</span><a href="product.php?cid=456">拨动开关</a><span>|</span><a href="product.php?cid=462">按键开关</a><span>|</span><a href="product.php?cid=457">检测开关</a><span>|</span><a href="product.php?cid=510">带灯开关-系列</a><span>|</span><a href="product.php?cid=506">DC JACK</a>
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