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大成國際公司成立于1998年，公司總部位于香港特別行政區(qū)。深圳市大成西科機(jī)電設(shè)備有限公司成立于2003年。秉承“以誠立信、以人為本、以價取勝”的經(jīng)營理念，與國內(nèi)外客商保持及時溝通，并提供完善的售后服務(wù)。我們一直致力于引進(jìn)國際的高質(zhì)量工業(yè)自動化儀器儀表和*技術(shù)，現(xiàn)已與EMERSON、BENTLY、YOKOGAWA、Allen-Bradley、SIMENS、E+H、VEGA、MTL、P+F、ABB等公司建立代理合作關(guān)系，產(chǎn)品廣泛應(yīng)用于石油化工、電力、冶金、市政等行業(yè)。同時為各地企業(yè)和經(jīng)銷商提供自控儀表及機(jī)械設(shè)備的代理服務(wù)，包括國際運(yùn)輸、進(jìn)口報關(guān)、倉儲理貨、物流配送等服務(wù)。隨著經(jīng)濟(jì)化發(fā)展，我們也將不斷創(chuàng)新和提高，為各界朋友提供更具競爭力的價格與服務(wù)，攜手共創(chuàng)工業(yè)自動化新天地！

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GEBentlyNevadaoffersaverywidevarietyofvibrationandthrusttransmitters

Bently Nevada 990 Vibration and Thrust Transmitters 產(chǎn)品詳情

GE Bently Nevada offers a very wide variety of vibration and thrust transmitters, each designed to handle the rigors of industrial environments and many capable of being installed in hazardous areas when appropriate means are used.

The 990 Vibration Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional vibration signal as the input to their machinery control system.

The 991 Thrust Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional axial displacement (thrust) signal as the input to their machinery control system.

Features and Benefits

The features of the 990 Vibration Transmitter include:

Integrated Proximitor* Sensor requires no external unit
Non-isolated “PROX OUT" and "COM" terminals plus a coaxial connector to provide a dynamic vibration and gap voltage signal output for diagnostics.
Non-interacting zero and span potentiometers under the Transmitter label supports loop adjustment.
Test Input pin for quick verification of loop signal output, using a function generator as the input.
A Power-up Inhibit circuit eliminates signal errors due to line voltage transients.
A Not OK/Signal Defeat circuit prevents high outputs or false alarms due to a faulty proximity probe or loose connection.
Choice of DIN-rail clips or bulkhead mounting screws as standard options simplifies mounting.
Potted construction for high humidity (up to 99% condensing) environments.
Compatibility with 3300 NSv proximity probe allows transducer installation in small areas with minimal clearance, typical of centrifugal air compressors.

The 991 transmitter provides the following notable features:

Integrated Proximitor* Sensor requires no external unit
Non-isolated “PROX OUT " and "COM" terminals plus a coaxial connector provide a dynamic vibration and gap voltage signal output for diagnostics.
Non-interacting zero and span potentiometers under the Transmitter label supports loop adjustment.
Test Input pin allows quick verification of loop signal output, using a variable DC voltage source as the input.
A Power-up Inhibit circuit eliminates signal errors due to line voltage transients.
A Not OK/Signal Defeat circuit prevents high outputs or false alarms due to a faulty proximity probe or loose connection.
Choice of DIN-rail clips or bulkhead mounting screws as standard options simplifies mounting.
Potted construction for high humidity (up to 99% condensing) environments.
Compatibility with 3300 NSv proximity probe allows transducer installation in small areas with minimal clearance, typical of centrifugal air compressors.

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