General Electric 991 overview
Bently Nevada 991 Thrust Transmitter The 991 Thrust Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compres...
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Manufactured byGeneral Electric
Product groupThrust Transmitter
DescriptionBently Nevada 991 Thrust Transmitter
OverviewThe 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. The transmitter is a 2-wire, loop-powered device that accepts input from our 3300 NSv proximity probe and its matching extension cable (available in 5 m and 7 m system length options). The transmitter conditions the signal into appropriate engineering units proportional to the shaft’s axial position1, and provides it as a 4 to 20 mA industry-standard signal for input to the control system where machinery protection alarming and logic occurs.
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Thrust Transmitter
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