傳送器可幫助處理現(xiàn)場(chǎng)測(cè)量，更精確地測(cè)量明渠流量。 德州奧斯汀2008年1月15日消息，艾默生過(guò)程管理公司推出新版流行的Mobrey® MSP900超聲波傳送器，設(shè)計(jì)用于明渠流量測(cè)量的優(yōu)化。新MSP900FH是一款預(yù)接線遙控溫度傳感器，是水處理和工業(yè)處理上提高明渠流量測(cè)量精確性的理想選擇。 當(dāng)用在戶外測(cè)量時(shí)，傳統(tǒng)的超聲波傳送器在太陽(yáng)直射時(shí)，很容易受來(lái)自太陽(yáng)能增加造成的誤差影響。Mobrey MSP900FH傳送器已將遙控溫度傳感器直接與傳送器相連，經(jīng)過(guò)專門(mén)設(shè)計(jì)克服了這些問(wèn)題。測(cè)量范圍恰好是10mmX25mm, 緊湊的傳感器可以很容易地安置在適當(dāng)?shù)谋酬幬恢茫挥谝后w表面與傳送器之間。這樣，系統(tǒng)保證以聲速估算的氣溫測(cè)量才是真實(shí)且具代表性的。 傳感器通過(guò)硬線接入帶有兩米電纜的傳送器中，所以沒(méi)有額外的電纜或是安裝要求，僅有一個(gè)控制器的單相連接，以保證最低的安裝成本。 艾默生水力行業(yè)專家Peter Ward解釋說(shuō)：“這是對(duì)普通問(wèn)題最簡(jiǎn)潔且具功能性的解決方案。在用戶現(xiàn)場(chǎng)， MSP900FH在拓展領(lǐng)域測(cè)試中的始終如一的表現(xiàn)都超出傳統(tǒng)的設(shè)計(jì)。“ Mobrey MSP900FH是一款24V直流回路動(dòng)力裝置，具有防水性能，密封級(jí)為IP68。既有4-20mA的通信裝置，還有內(nèi)置的HART選項(xiàng)，可單獨(dú)應(yīng)用也可作為現(xiàn)場(chǎng)測(cè)量、數(shù)據(jù)控制和收集系統(tǒng)的一部分。 Mobrey MSP傳送器是智能化、數(shù)字化現(xiàn)場(chǎng)總線的一部分，為PlantWeb®數(shù)字工廠架構(gòu)供以動(dòng)力，工廠效率改善可達(dá)2％，傳送更多資產(chǎn)優(yōu)化、過(guò)程自動(dòng)化和執(zhí)行管理信息。 [FONT=times] original text [/FONT] [font=times] Emerson’s new Mobrey® ultrasonic level transmitter is optimized for open channel flow measurement [/font] [font=times][Color=#708090]Transmitter helps processing sites measure open channel flow more accurately. AUSTIN, TEXAS （January 15, 2008） – Emerson Process Management is offering a new version of its popular Mobrey® MSP900 ultrasonic level transmitter, optimized for use in open channel flow measurement. The new MSP900FH features a pre-wired remote temperature sensor and is ideal for water and industrial processing sites looking to improve the accuracy of their open channel flow measurements. Used in the open air, conventional ultrasonic level transmitters are prone to suffer from inaccuracies caused by "solar gain" when the sun shines directly on them. The Mobrey MSP900FH transmitter has been designed to overcome this problem by using a remote temperature sensor wired directly into the transmitter. Measuring just 10mm diameter x 25mm length, the compact sensor can easily be located in an appropriately shady spot between the liquid surface and the transmitter. In this way, the system ensures that the air temperature measurement used in the speed of sound calculation is truly representative. The sensor is hard-wired into the transmitter with a two-meter cable, so there is no additional cabling or set up required, and only a single connection to the controller, thus keeping installation costs to a minimum. "We have made this development as a direct response to what our customers were telling us," explains Emerson water industry expert Peter Ward. "It is a neat, functional answer to a common problem. In extended field trials at a customer site MSP900FH consistently out-performed competitive conventional designs." The Mobrey MSP900FH is 24V DC loop powered, supplied in a waterproof housing sealed to IP68. It has both analog 4-20mA communications and digital HART options built-in, and can be used stand-alone, or as part of a site-wide measurement, control and data acquisition system. Mobrey MSP level transmitters are part of the broad range of intelligent, digital field devices that power the PlantWeb® digital plant architecture to improve plant efficiency by 2% and more through delivering asset optimization, process automation, and management execution. [/color][/font]