液位變送器是對(duì)壓力變送器技術(shù)的延伸和發(fā)展，根據(jù)不同比重的液體在不同高度所產(chǎn)生壓力成線性關(guān)系的原理，實(shí)現(xiàn)對(duì)水、油及糊狀物的體積、液高、重量的準(zhǔn)確測(cè)量和傳送。

Sensys PLA PLN model, the highest precise pneumatic level transmitter, is waterproof up to a depth of 350m and uses the polyurethane vented cable being used in seawater and performing atmospheric compensation. It is appropriate for deep wells and tank level. Depending on the embeded place of an amp. this PL model has both PLN(External amp.) and PLA(Internal amp.). Refer to the dimension.

韓國(guó)Sensys PLA是一款精度的啟動(dòng)物位變送器，具備防水性能，潛水深度為350m，自帶的電纜線為聚氨酯材質(zhì)，可浸泡海水中和進(jìn)行大氣補(bǔ)償。Sensy PLN適應(yīng)于深井與罐內(nèi)液面應(yīng)用。根據(jù)尺寸的不同，PL可分為內(nèi)置放大器型號(hào)（PLA）和外置放大器型號(hào)（PLN）。