Bently 990-10-XX-01-05 165353-01 Vibration Transmitter - Image 1

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Bently 990-10-XX-01-05 165353-01 Vibration Transmitter

Product Overview
The Bently 990-10-XX-01-05 is a two-wire loop-powered vibration transmitter designed for continuous monitoring of mechanical vibrations in rotating equipment. It converts vibration signals from Bently 3300XL proximity probes into standardized 4-20 mA industrial signals, enabling integration with control systems for protection, alarming, and logic control.

Category: Bently

Description

Technical Specifications

Input Signal: Accepts signals from Bently 3300XL proximity probes with matched extension cables (5 m or 9 m system length options).
Output Signal: Provides a proportional 4-20 mA signal representing peak-to-peak vibration amplitude in engineering units.
Power Supply: Two-wire loop-powered design (24 VDC nominal).
Accuracy: High-precision signal conditioning for reliable vibration measurement.
Environmental Rating: Suitable for high-humidity environments (up to 100% condensing).
Mounting Options: DIN rail clip or bulkhead mounting screws for simplified installation.
Compliance: Compatible with Bently 3300XL proximity probes, ensuring reliable performance in centrifugal compressor applications.

Functional Features

Integrated Proximitor Sensor: Eliminates the need for external devices, reducing system complexity.
Diagnostic Outputs: Non-isolated “PROX OUT” and “COM” terminals, plus a coaxial connector, provide dynamic vibration and gap voltage signals for diagnostics.
Zero and Span Adjustment: Non-interactive zero and span potentiometers under the transmitter label support loop calibration without external tools.
Test Input Pins: Enable rapid verification of loop signal output using a function generator as input.
Power-Up Inhibition Circuit: Prevents signal errors caused by line voltage transients during startup.
Abnormal/Signal Failure Detection: Protects against high output or false alarms due to probe faults or loose connections.

Application Scenarios
The Bently 990-10-XX-01-05 is ideally suited for:

Centrifugal Compressors: Monitors vibration in air compressors or small pumps, motors, and fans.
Original Equipment Manufacturers (OEMs): Provides a simple 4-20 mA vibration signal for mechanical control systems in OEM applications.
Industrial Rotating Machinery: Ensures reliable vibration monitoring in turbines, blowers, reciprocating compressors, generators, and other critical equipment.
Harsh Environments: Withstands high humidity and condensing conditions, making it suitable for outdoor or process-related installations.

Key Advantages

Simplified Integration: Directly interfaces with PLCs and control systems using a standard 4-20 mA signal.
Robust Design: High-reliability components ensure long-term stability and minimal maintenance.
Cost-Effective Solution: Reduces the need for complex vibration monitoring systems by providing a straightforward, scalable option.
Global Compliance: Meets international standards for industrial vibration monitoring, ensuring compatibility with diverse applications.

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