Bently Nevada Vibration and Thrust Transmitters

 

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

 

• 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 100% 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 100% condensing) environments.

• Compatibility with 3300 NSv proximity probe allows transducer

  installation in small areas with minimal clearance, typical of centrifugal

  air compressors.

Bently nevada vibration

and thrust transmitters

Head office

 

1 Adeola Odeku Street

South Atlantic Petroleum Towers

Victoria Island | Lagos | Nigeria

Tel: +234 1904 9589, +234 (0) 909 026 0055

Lagos Branch Office

 

15, Ogundana Street | Off Allen Avenue |

Ikeja | Lagos | Nigeria

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Port Harcourt Branch Office

 

29A Elelenwo Street |

GRA Phase 1 |

Port Harcourt | Rivers State | Nigeria

Tel:+234 8093906260