Bently Nevada 125800-01 Keyphasor Module | Shaft Speed Signal Conditioner

Description

Product Overview: The Pulse Generator for Your Machine

This is the Bently Nevada 125800-01 Keyphasor Module. It creates a precise timing signal. It takes input from a shaft probe. And it outputs a clean digital pulse. This pulse happens once per machine revolution. Your monitoring system needs this signal. It is the key for measuring vibration phase and speed.

Complete Technical Specifications

• Core Product Information
  • Brand: Bently Nevada
  • Part Number: 125800-01
  • Description: Keyphasor I/O Signal Conditioning Module
• Electrical Specifications
  • Input: AC Signal from Proximity Probe (Keyphasor)
  • Input Range: Compatible with standard eddy current probes
  • Output: Digital Pulse (TTL/CMOS compatible)
  • Gain Range: Adjustable from 0.1 to 10 times
  • Offset Control: ±5 Volts adjustment
  • Frequency Response: Suitable for high RPM machinery
  • Power Source: 24 VDC (typically from system backplane)
• Mechanical & Environmental Specs
  • Enclosure Rating: IP20 for basic protection
  • Mounting: 35mm DIN Rail
  • Dimensions: 0.89″ W x 3.90″ H x 4.51″ D
  • Weight: 0.44 lb (0.2 kg)
  • Operating Temperature: -40°F to 185°F (-40°C to 85°C)
  • Storage Temperature: -40°C to 100°C
  • Humidity: 5% to 95% non-condensing
  • Terminations: Screw terminal blocks

Package Contents & Support

• What You Get: One factory-new 125800-01 module.
• Quality Guarantee: Comes with a full 12-month manufacturer warranty.
• Fast Shipping: We deliver worldwide via FedEx, UPS, and DHL.

Frequently Asked Questions (FAQ)

Basic Function Questions

• What does a Keyphasor module actually do?
  It creates a precise timing mark for each shaft rotation. This allows vibration analyzers to measure the phase angle of vibrations.
• Where do I connect the input signal?
  Connect the output wires from your Keyphasor proximity probe directly to the module’s input terminals.

Technical Application Questions

• How do I know if my gain is set correctly?
  The output pulse should be clean and stable. If the pulse is missing or irregular, increase the gain slightly until it becomes consistent.
• Can this module work with different probe brands?
  Yes, if the probe outputs a standard AC voltage signal proportional to the gap. The module conditions this signal regardless of brand.

Selection Questions

• Do I need this module if my monitoring system has Keyphasor inputs?
  Most monitoring systems require a conditioned digital pulse. The 125800-01 provides this if your system doesn’t have built-in conditioning for raw probe signals.

Copyright © 2025 PLCDCS HUB Limited https://plcdcshub.com/. All rights reserved.

Partner: Powergear X Automation Limited https://www.powergearx.com/

Oiltech Controls Limited https://www.oiltechcontrols.com/

Contact for Purchase: Phone +86 158 8020 0923