Bently Nevada 80917-01 Keyphasor Conditioner & Power Supply

Product Overview

The Bently Nevada 80917-01 (TK15) is a compact, field-deployable Keyphasor® conditioning instrument designed to supply power to Keyphasor® transducers while converting raw pickup signals into stable, analysis-ready phase reference outputs. It supports simultaneous processing of two independent Keyphasor channels, making it suitable for both on-site troubleshooting and controlled bench diagnostics.

This instrument is commonly used alongside Bently Nevada portable diagnostic platforms and monitoring systems to establish accurate shaft phase, speed reference, and once-per-revolution signals for rotating machinery analysis.

Functional Description

The 80917-01 (TK15) integrates regulated transducer excitation and signal conditioning within a single portable enclosure. It accepts inputs from optical Keyphasor pickups as well as proximity probe-based Keyphasor configurations, filtering and shaping these inputs into consistent logic-level or analog outputs suitable for advanced vibration and rotor dynamics analysis.

Its portable form factor allows engineers to deploy it directly in the field without relying on permanent rack-mounted infrastructure.

Technical Specifications

System Compatibility

The 80917-01 (TK15) is typically used with:

• Bently Nevada ADRE® diagnostic systems

• Portable vibration analyzers requiring external Keyphasor conditioning

• Offline rotor dynamics and balancing setups

• Machinery monitoring environments where a temporary phase reference is required

It complements permanently installed monitoring systems such as the 3500 Series by providing a flexible diagnostic alternative.

Typical Applications

• Establishing phase reference for turbine vibration and orbit analysis

• Rotor dynamic testing during commissioning or maintenance outages

• Shaft speed and phase verification on compressors and pumps

• Field diagnostics for motors and generators

• Temporary Keyphasor signal conditioning during troubleshooting

Frequently Asked Questions

Q: Can the TK15 be used with proximity probes instead of optical sensors?
Yes. The 80917-01 (TK15) supports both optical Keyphasor pickups and Proximitor®-based Keyphasor probe configurations.

Q: Is this unit intended for permanent installation?
No. It is designed as a portable instrument for temporary field use or bench-top diagnostics rather than continuous rack-mounted operation.

Q: How many phase reference signals can be processed at the same time?
The unit provides two fully independent channels, allowing simultaneous conditioning of two Keyphasor signals.