Bently Nevada 990-05-70-01-00 Vibration Transmitter

Overview

The Bently Nevada 990-05-70-01-00 vibration transmitter provides accurate shaft vibration monitoring for compact, high-speed industrial machinery.
It converts proximity probe signals into a stable 4–20 mA output, enabling straightforward integration with modern control systems.
Moreover, its loop-powered two-wire design reduces wiring complexity while maintaining reliable signal transmission in demanding environments.
This model is specifically engineered to operate with Bently Nevada 3300 NSv proximity probe systems.
Therefore, it delivers consistent vibration measurements suitable for continuous machinery protection and condition monitoring strategies.

Key Features

The transmitter offers a compact form factor, allowing installation in confined spaces around motors, pumps, and compressors.
In addition, the direct 4–20 mA output simplifies connection to PLC, DCS, and SCADA monitoring architectures.
Its DIN rail mounting option supports fast installation and standardized panel integration across industrial facilities.
Moreover, factory calibration with AISI 4140 steel targets ensures predictable accuracy and repeatable performance.
As a result, maintenance teams gain reliable vibration data for early fault detection and lifecycle optimization.

Technical Specifications

Model: Bently Nevada 990-05-70-01-00
Device Type: Vibration transmitter, two-wire, loop-powered
Measurement Range: 0–5 mils peak-to-peak (0–125 µm peak-to-peak)
Output Signal: 4–20 mA proportional to vibration amplitude
System Length: 7.0 meters total probe and extension cable length
Probe Compatibility: Bently Nevada 3300 NSv proximity probes
Mounting Option: 35 mm DIN rail clips
Target Material for Calibration: AISI 4140 steel
Agency Approval: Not required

Typical Applications

This vibration transmitter is widely applied on small rotating machines operating at high speeds and critical duty cycles.
For instance, it supports condition monitoring programs for centrifugal pumps, electric motors, and process compressors.
Moreover, it integrates seamlessly into existing automation systems without requiring dedicated vibration monitoring racks.
Therefore, plants can extend machinery protection capabilities using standard analog infrastructure and proven sensor technology.

FAQ

Q: What type of vibration does the 990-05-70-01-00 measure?
A: It measures shaft vibration using proximity probe signals and converts displacement into a proportional current output.

Q: Can this transmitter connect directly to a PLC or DCS?
A: Yes, the 4–20 mA loop-powered output connects directly to standard industrial control system inputs.

Q: Which probes are compatible with this model?
A: It is designed specifically for use with Bently Nevada 3300 NSv proximity probes and matching cables.

Q: Is external power required for operation?
A: No, the device operates as a two-wire loop-powered transmitter using the signal loop supply.

Q: What machines typically use this vibration transmitter?
A: It is commonly installed on motors, pumps, and compressors where compact, reliable vibration monitoring is required.