感器的靜態特性是指對靜態的輸入信號,傳感器的輸出量與輸入量之間所具有相互關系。因為這時輸入量和輸出量都和時間無關,所以它們之間的關系,即傳感器的靜態特性可用一個不含時間變量的代數方程,或以輸入量作橫坐標,把與其對應的輸出量作縱坐標而畫出的特性曲線來描述。表征傳感器靜態特性的主要參數有:線性度、靈敏度、遲滯、重復性、漂移等。WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS100-P1439 WE100-P1439/WE100-P1439 WS100-P3439/WE100-P3439 WS100-P4439/WE100-P4439 WS100-N1439/WE100-N1439 WS100-N3439/WE100-N3439 WS100-N4439/WE100-N4439 WS100-P1239/WE100-P1239 WS100-P1339/WE100-P1339 WS100-P3239/WE100-P3239 WS100-P3339/WE100-P3339 WS100-P4239/WE100-P4239 WS100-P3339/WE100-P4339 WS100-N1239/WE100-N1239 WS100-N1339/WE100-N1339 WS100-N3239/WE100-N3239 WS100-N3339
(1)線性度:指傳感器輸出量與輸入量之間的實際關系曲線偏離擬合直線的程度。定義為在全量程范圍內實際特性曲線與擬合直線之間的最大偏差值與滿量程輸出值之比。
(2)靈敏度:靈敏度是傳感器靜態特性的一個重要指標。其定義為輸出量的增量與引起該增量的相應輸入量增量之比。用S表示靈敏度。WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS100-P1439 WE100-P1439/WE100-P1439 WS100-P3439/WE100-P3439 WS100-P4439/WE100-P4439 WS100-N1439/WE100-N1439 WS100-N3439/WE100-N3439 WS100-N4439/WE100-N4439 WS100-P1239/WE100-P1239 WS100-P1339/WE100-P1339 WS100-P3239/WE100-P3239 WS100-P3339/WE100-P3339 WS100-P4239/WE100-P4239 WS100-P3339/WE100-P4339 WS100-N1239/WE100-N1239 WS100-N1339/WE100-N1339 WS100-N3239/WE100-N3239 WS100-N3339WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS100-P1439 WE100-P1439/WE100-P1439 WS100-P3439/WE100-P3439 WS100-P4439/WE100-P4439 WS100-N1439/WE100-N1439 WS100-N3439/WE100-N3439 WS100-N4439/WE100-N4439 WS100-P1239/WE100-P1239 WS100-P1339/WE100-P1339 WS100-P3239/WE100-P3239 WS100-P3339/WE100-P3339 WS100-P4239/WE100-P4239 WS100-P3339/WE100-P4339 WS100-N1239/WE100-N1239 WS100-N1339/WE100-N1339 WS100-N3239/WE100-N3239 WS100-N3339
(3)遲滯:傳感器在輸入量由小到大(正行程)及輸入量由大到小(反行程)變化期間其輸入輸出特性曲線不重合的現象成為遲滯。對于同一大小的輸入信號,傳感器的正反行程輸出信號大小不相等,這個差值稱為遲滯差值。
(4)重復性:重復性是指傳感器在輸入量按同一方向作全量程連續多次變化時,所得特性曲線不一致的程度。
(5)漂移:傳感器的漂移是指在輸入量不變的情況下,傳感器輸出量隨著時間變化,次現象稱為漂移。產生漂移的原因有兩個方面:一是傳感器自身結構參數;二是周圍環境(如溫度、濕度等)。
傳感器動態特性
所謂動態特性,是指傳感器在輸入變化時,它的輸出的特性。在實際工作中,傳感器的動態特性常用它對某些標準輸入信號的響應來表示。這是因為傳感器對標準輸入信號的響應容易用實驗方法求得,并且它對標準輸入信號的響應與它對任意輸入信號的響應之間存在一定的關系,往往知道了前者就能推定后者。最常用的標準輸入信號有階躍信號和正弦信號兩種,所以傳感器的動態特性也常用階躍響應和頻率響應來表示。WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS100-P1439 WE100-P1439/WE100-P1439 WS100-P3439/WE100-P3439 WS100-P4439/WE100-P4439 WS100-N1439/WE100-N1439 WS100-N3439/WE100-N3439 WS100-N4439/WE100-N4439 WS100-P1239/WE100-P1239 WS100-P1339/WE100-P1339 WS100-P3239/WE100-P3239 WS100-P3339/WE100-P3339 WS100-P4239/WE100-P4239 WS100-P3339/WE100-P4339 WS100-N1239/WE100-N1239 WS100-N1339/WE100-N1339 WS100-N3239/WE100-N3239 WS100-N3339WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS100-P1439 WE100-P1439/WE100-P1439 WS100-P3439/WE100-P3439 WS100-P4439/WE100-P4439 WS100-N1439/WE100-N1439 WS100-N3439/WE100-N3439 WS100-N4439/WE100-N4439 WS100-P1239/WE100-P1239 WS100-P1339/WE100-P1339 WS100-P3239/WE100-P3239 WS100-P3339/WE100-P3339 WS100-P4239/WE100-P4239 WS100-P3339/WE100-P4339 WS100-N1239/WE100-N1239 WS100-N1339/WE100-N1339 WS100-N3239/WE100-N3239 WS100-N3339
靈敏度是指傳感器在穩態工作情況下輸出量變化△y對輸入量變化△x的比值。
它是輸出一輸入特性曲線的斜率。如果傳感器的輸出和輸入之間顯線性關系,則靈敏度S是一個常數。否則,它將隨輸入量的變化而變化。
靈敏度的量綱是輸出、輸入量的量綱之比。例如,某位移傳感器,在位移變化1mm時,輸出電壓變化為200mV,則其靈敏度應表示為200mV/mm。
當傳感器的輸出、輸入量的量綱相同時,靈敏度可理解為放大倍數。