Bently Nevada 3500/65 145988-02 Speed & Keyphasor Module

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The Bently Nevada 3500/65 145988-02 is a dedicated speed and keyphasor monitor module designed for the Bently Nevada 3500 machinery protection system rack. This module measures shaft rotational speed, detects zero-speed conditions, captures keyphasor timing signals, and provides critical speed alarm and trip logic for rotating equipment in heavy industrial plants.

This 3500/65 145988-02 tachometer module accepts input signals from magnetic pickups, eddy current probes or active speed sensors installed on turbine, compressor, pump, fan, generator and other high-speed rotating machinery. It converts pulse signals into accurate RPM readings and sends processed data to the 3500 system backplane for continuous machinery health monitoring, alarming and protection interlock.

The 3500/65 speed keyphasor module supports flexible configuration via the 3500 configuration software. Users can set overspeed, under-speed, zero-speed, loss-of-signal and keyphasor fault thresholds. When measurements exceed predefined limits, the module triggers alarm or relay trip outputs to prevent catastrophic machine failure. The keyphasor channel also supplies once-per-revolution reference pulses for phase analysis, order tracking and rotor dynamic diagnostics, which is essential for vibration spectrum and shaft orbit analysis.

Built to meet industrial vibration and protection standards, the Bently Nevada 3500/65 145988-02 fits into the standard 3500 series rack chassis and communicates through the internal backplane. Hot swap capability allows replacement during system maintenance without shutting down the entire monitoring rack, minimizing plant downtime. It is widely used in oil and gas, power generation, petrochemical, pulp and paper, mining and heavy manufacturing facilities that rely on reliable online machinery protection.

We supply genuine surplus, tested used and refurbished Bently Nevada 3500/65 145988-02 modules. Every unit goes through functional testing, signal input verification, contact inspection and aging screening before delivery. We provide item inspection photos, test reports, packing list and secure export packaging for international orders.

If you need matching accessories including rack power supplies, interface modules, probe cables, transducers or other 3500 series cards such as 3500/40, 3500/42, 3500/50, 3500/92, please send your full part list for consolidated quotation.

Our team supports B2B industrial buyers, system integrators, maintenance contractors and end users worldwide. We offer competitive pricing, clear lead time, DDP or EXW shipping options and professional after-sales communication for automation spare parts.

Submit your inquiry now to check stock, get the latest price and delivery schedule for Bently Nevada 3500/65 145988-02 speed keyphasor monitor module.

Specification Section

Part Number: 3500/65 145988-02 Manufacturer: Bently Nevada Product Type: Speed / Keyphasor Monitor Module System Compatibility: Bently Nevada 3500 Machinery Protection Rack Main Function: Shaft speed measurement, zero speed detection, keyphasor reference, overspeed protection, signal fault diagnosis Sensor Input: Magnetic pickup, eddy current probe, active speed transducer Output: Backplane digital data, configurable alarm and trip relay Installation: Hot-swappable rack slot module Application: Steam turbine, gas turbine, centrifugal compressor, generator, large pump, induced draft fan, rotating machinery protection Industry: Power plant, oil & gas, petrochemical, refinery, heavy industry

350065 145988-02

FAQ

What is Bently Nevada 3500/65 145988-02 used for? The 3500/65 145988-02 is a speed and keyphasor monitor module for the Bently 3500 rack. It measures rotating shaft speed, monitors overspeed and zero-speed status, and provides keyphasor reference pulses for vibration phase and order analysis.

Can 3500/65 145988-02 work with existing 3500 racks? Yes, this card is a standard 3500 series module. It can be configured and recognized by the official 3500 software for normal protection and monitoring functions.

Do you test the Bently Nevada 3500/65 145988-02 before shipment? All available units are fully tested. We verify input channel response, alarm logic, backplane communication and connector condition before packing. Test records and real product photos can be provided upon request.

What shipping terms are available for this module? We support EXW, FOB, CIF and DDP delivery to most countries. We use anti-static packaging, foam protection and safe courier channels for industrial control spare parts.

BENTLY BRAND

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