Overview

Bently Nevada†’s industry-leading transmitters, simply put, protect your critical machinery. Bently Nevada offers two types of transmitters: the990 Vibration Transmitterand the991 Thrust Transmitter.

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Vibration Transmitter

都是一贯可靠的维护your systems’ centrifugal air compressors, small pumps, motors and fans of original equipment manufacturers (OEMs), while working with our3300 NSv (narrow side view) proximity probes.

These compact yet durable transmitters allow you the ability to install them in small spaces with minimal clearance – where other transmitters won’t fit.

In addition to our transmitters, we also provide the self-contained177230 Piezo Accelerometer,which guarantees comprehensivecondition monitoringof your general-purpose machinery. The177230facilitates machinery control system input and gives you an optional secondary dynamic signal to diagnose your machinery’s status.



Transmitter Product Line Overview
Product Features
  • Compatible WithNSv Probes: The990and991work with our3300 narrow side view (NSv) proximity probes.
  • The990and the991both employ an integrated proximity probe, thus negating the need for an external unit.
  • The990and the991both feature a Not OK/Signal Defeat circuit to prevent high outputs due to a faulty proximity probe or loose connection.
  • The990and the991both feature potted construction for high humidity environments (up to 100% condensing)
  • Installs in Tight Spots: Enables transducer installation in small spaces with minimal clearance.
  • Signal Options: The177230provides a simple 4 to 20 mA proportional vibration or axial displacement signal as the machinery control system input and a secondary dynamic signal for diagnostics.
  • The177230also features interface compatibility with PLCs and control systems like DCS and SCADA, requires no field configuration or adjustments, provides accurate and repeatable data as well as raw vibration signal for verification and analysis.
Related Products

The990 (Vibration)and991 (Thrust) Transmittersare intended for 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 or axial displacement (thrust) signal as the input to their machinery control system. Both transmitters are compatible with our3300 NSvand the narrow sideview proximity probes allow for transducer installation in small spaces with minimal clearance.

Our177230 Seismic Transmitteris a self-contained piezo-accelerometer that offers condition monitoring of general-purpose machinery with rolling element bearings. The177230produces 4 to 20 mA primary signal outputs to a control system and a secondary dynamic signal for diagnostics. It is suitable for motors, pumps and small reciprocating compressors where accelerometer monitoring is appropriate. Bently Nevada offers CSA/NRTL/C, ATEX/IECEx certifications for Hazardous Areas with potentially flammable atmospheres. The product has a sensitivity of 10.2 mV/m/s^2 (100 mV/g) ± 20% and a frequency response of 10 Hz to 1 kHz (600 cpm to 60 kcpm) ± 10% and 1Hz to 10 kHz (60cpm to 600 kcpm) ± 3 dB.

Compatible Services

Bently Nevada offers the following services that will support your Bently Nevadafamily of transmittersin keeping your machinery in the best condition.

  • System Maintenance & Availability
  • Site Project Management
  • Design, Installation & Commissioning



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