Model: TK-3E 177313-02-02-00
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
The TK-3E series represents the third-generation eddy-current proximity transducer system from Bently Nevada (now a Baker Hughes company). Early Bently Nevada proximity systems (Series 7200 and 3300) established the foundational signal conditioning architecture: a driver oscillates at a fixed radio frequency, the probe tip generates an electromagnetic field, and target proximity modulates the field to produce a DC voltage output proportional to gap distance. The TK-3E system was developed as a calibration and verification toolkit for this transducer chain, enabling field technicians to simulate probe-target gap conditions without physical access to rotating machinery.
Compatibility considerations are critical: TK-3E test kits are designed for use with 3300 XL, 3300 NSv, and 7200 series transducer systems. They are not interchangeable with the newer 3500 rack-based monitoring system without adapter hardware. As the 3300 series has entered end-of-life status with Bently Nevada, the TK-3E test kit has transitioned from a standard maintenance tool to a long-term lifecycle support instrument — essential for facilities that cannot justify a full platform migration to the 3500 or Orbit 60 series.
The following SKUs represent the verified TK-3E series component range. Each entry reflects a discrete functional role within the proximity transducer verification and calibration workflow.
177313-02-02-00: TK-3E proximity system test kit, standard configuration, 2m extension cable included.
177313-01-02-00: TK-3E test kit, 1m cable variant, for confined-space panel installations.
177313-03-02-00: TK-3E test kit, 3m extension cable, for remote driver-to-probe configurations.
177313-02-01-00: TK-3E test kit, single-channel output, reduced I/O variant.
177313-02-02-01: TK-3E test kit, revision 01, updated connector termination standard.
330130-040-00-00: 3300 XL 8mm proximity transducer probe, compatible TK-3E verification target.
330180-X1-05: 3300 NSv proximity transducer, 5m integral cable, TK-3E compatible.
330101-00-06-10-02-00: 3300 XL standard proximity transducer, 6mm tip, TK-3E test chain compatible.
330104-00-12-10-02-05: 3300 XL proximity transducer, 12mm tip, extended range.
330500-02-00: 3300 XL extension cable, 2m, standard TK-3E pairing cable.
330500-05-00: 3300 XL extension cable, 5m, for long-run proximity installations.
330500-10-00: 3300 XL extension cable, 10m, maximum standard run length.
330180-X1-10: 3300 NSv proximity transducer, 10m integral cable, high-temperature variant.
3300/16-02-01-01-00-00-00: 3300 series proximity monitor module, dual-channel, rack-mount.
3300/20-01-01-00-00-00: 3300 series proximitor driver, single-channel, DIN-rail mount.
3300/55-01-01-00-00-00: 3300 series I/O module, analog output, 4–20 mA signal conditioning.
3300/65-01-01-00-00-00: 3300 series relay output module, SPDT, trip function integration.
3300/46-01-01-00-00-00: 3300 series power supply module, 24 VDC, redundant input capable.
The Bently Nevada 3300 series — the primary platform for which the TK-3E test kit is designed — has been formally discontinued by Baker Hughes. New production of TK-3E kits and associated 3300 series modules is no longer available through OEM channels. Facilities operating legacy 3300-based machinery protection systems must source replacement components through authorized aftermarket distributors with verified inventory of genuine or equivalent-specification parts.
The TK-3E proximity system test kit contains precision resistive and capacitive elements that simulate the electrical characteristics of a physical probe-target gap. Verification of these components requires calibrated impedance measurement equipment traceable to national standards. DriveKNMS applies the following test protocol to all TK-3E units prior to dispatch:
Each unit undergoes DC output voltage verification across the full simulated gap range (0–2.54 mm equivalent). Extension cable continuity and shield integrity are tested at both ends using a four-wire resistance measurement method. Connector pin-out is verified against Bently Nevada wiring documentation for the applicable 3300 series driver. Units exhibiting output deviation greater than ±0.5% from nominal specification are quarantined and not released for sale. Final inspection includes physical examination of the cable jacket, connector body, and labeling for compliance with the original part number revision.
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