149369-01 Bently Nevada Keyphasor Module

Bently Nevada 3500/25 149369-01 125800-01 Keyphasor Module

Bently Nevada 3500/25 149369-01 125800-01 Keyphasor Module

Availability: 10 left in stock

Bently Nevada 3500/25 149369-01 + 125800-01 Keyphasor Module The Bently Nevada 149369-01 + 125800-01, also cataloged as the 3500/25 Keyphasor...

SKU: 3500/25-01-05-05

Manufacturer: Bently Nevada
Product No.: 3500/25-01-05-05
Product Type: Keyphasor Modules
Product Origin: Switzerland
Payment:T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Bently Nevada 3500/25 149369-01 + 125800-01 Keyphasor Module

The Bently Nevada 149369-01 + 125800-01, also cataloged as the 3500/25 Keyphasor Module, operates as a dedicated hardware component for phase reference conditioning and timing pulse distribution within Bently Nevada 3500 Machinery Protection System platforms. This half-height, two-channel assembly accepts raw voltage inputs from non-contacting proximity probes or magnetic pickups across rear internal termination blocks on the 125800-01 I/O card. Main module 149369-01 processes these transducer signals into TTL-compatible digital pulses, routing timing references across the rack backplane to drive synchronous vibration filtering, 1X/2X phase angle tracking, and vector calculation modules.

Hardware Specifications

Parameter	Specification
Model	3500/25 (149369-01 + 125800-01)
Brand	Bently Nevada
Origin	USA
Weight	0.9 kg
Dimensions	228 mm x 50 mm x 289 mm
Operating Temp	-30 to +65 deg C
Power Consumption	Standard backplane power load
Channel Count	2-channel (dual independent inputs)
Termination Type	Internal terminations (125800-01 I/O)
Input Acceptance	Proximity transducers or magnetic pickups
Frequency Range	0.016 Hz to 20 kHz (up to 100 kHz peak)
Signal Output	Raw signal to TTL-compatible digital pulse conversion
Compliance	API 670 machinery protection standards compliant
Certifications	CE, CSA, ATEX

Rotor Dynamics and Gap Voltage Validation Parameters

The 3500/25 149369-01 + 125800-01 module provides precise timing references needed to process rotor dynamics parameters and validate sensor health. As shaft keyways or notches pass proximity probes, eddy-current probe scaling (such as 200 mV/mil or 7.87 V/mm) determines peak voltage thresholds while technicians verify proper probe installation using gap voltage validation (-10 VDC targets). The conditioning electronics integrate cross-talk suppression logic to preserve pulse edge timing across high-frequency ranges up to 100 kHz. By supplying synchronized trigger pulses directly to adjacent vibration monitors, the card enables accurate measurement of shaft unbalance, 1X phase vectors, and orbit orientation across variable-speed machinery trains.

Frequently Asked Questions

Q: How does the 3500/25 module distribute Keyphasor signals to adjacent machinery protection racks?

A: The 125800-01 I/O module includes buffered Keyphasor output terminals that allow technicians to daisy-chain the primary TTL timing pulse to secondary 3500 racks without degrading signal amplitude.

Q: Can magnetic pickups and eddy-current proximity probes connect simultaneously to the dual channels?

A: Yes, each input channel processes raw signals independently, allowing configuration of either a non-contacting eddy-current proximity transducer or an passive magnetic pickup on a per-channel basis via rack software.

Q: What advantage does the internal termination option 125800-01 provide during cabinet installation?

A: The 125800-01 I/O card integrates screw terminal blocks directly onto the rear board assembly, allowing direct landing of field wiring without requiring external interface modules or intermediate DIN-rail terminal blocks.

Field Installation Guidelines

When installing and wiring the Bently Nevada 3500/25 149369-01 + 125800-01 Keyphasor assembly, observe the following physical installation steps:

Insert the 149369-01 main module into the designated upper or lower half-height slot position in the 3500 rack chassis and tighten both captive retaining screws.
Align the 125800-01 internal termination I/O module with the matching rear slot location, seating the backplane edge connectors firmly before securing the rear mounting hardware.
Strip field wiring leads and land signal conductors directly onto the 125800-01 terminal block screws, applying a tightening torque of 0.5 to 0.6 N m.
Route twisted-pair shielded probe cabling through dedicated wire raceways, keeping transducer leads separated from high-voltage AC cables and VFD drive output wiring.
Terminate overall cable shields at the dedicated rack chassis ground point to ensure signal integrity and prevent electromagnetic noise coupling into sensitive trigger circuits.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.