產(chǎn)品詳情
型號
:蕪湖2098-DSD-020-DN羅克韋爾伺服驅(qū)動器哪里好
Allen Bradley 1398-DDM-009-DN
Allen Bradley 1398-DDM-005X-NV
Allen Bradley 1398-DDM-005X-DN
Allen Bradley 1398-DDM-009X
Allen Bradley 1398-DDM-019-DN
Allen Bradley 1398-DDM-009X-DN
Allen Bradley 1398-DDM-005X
Allen Bradley 1398-DDM-005-DN
Allen Bradley 1398-DDM-005
Allen Bradley 1398-DDM-075X
Allen Bradley 1398-DDM-075
Allen Bradley 1398-DDM-010X
Allen Bradley 1398-DDM-010
Allen Bradley 1398-DDM-150
Allen Bradley 1398-DDM-020X
Allen Bradley 1398-DDM-020
Allen Bradley 1398-DDM-030X
Allen Bradley 1398-DDM-030
Allen Bradley 1398-DDM-019X-DN
Allen Bradley 1398-DDM-019X
Allen Bradley 1398-DDM-150X
Allen Bradley 1398-DDM-019
Allen Bradley 1398-DDM-009
:蕪湖2098-DSD-020-DN羅克韋爾伺服驅(qū)動器哪里好使用前應(yīng)將檢流計的鎖扣打開,調(diào)節(jié)調(diào)零器確保指針指在零位。然后使用萬用表的歐姆擋估計待測電阻的大致數(shù)值。根據(jù)萬用表測得的電阻值選擇適當?shù)谋壤?,使比較臂的四個電阻都能被充分利用,提高測量準確度。,用萬用表測量的待測電阻估計值約為幾Ω時,應(yīng)選用0.001的比例臂;待測電阻估計值為幾十歐姆時,應(yīng)選用0.01的比例臂;待測電阻為幾百歐姆,應(yīng)選用0.1的比例臂;待測電阻為幾千歐姆時,應(yīng)選用1的比例臂。測量中在接入待測電阻時,應(yīng)采用較粗較短的導(dǎo)線,并將接頭擰緊,以減小接線電阻和接觸電阻。