Bently Nevada 3300/46-XX-XX-01-00 Differential Expansion Monitor

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The Bently Nevada 3300/46 Differential Expansion Monitor is a specialized rack-based module engineered to track the relative axial movement between...

رمز المنتج: 3300/46-XX-XX-01-00

Manufacturer: Bently Nevada
Product No.: 3300/46-XX-XX-01-00
Product Type: Vibration Monitor Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

The Bently Nevada 3300/46 Differential Expansion Monitor is a specialized rack-based module engineered to track the relative axial movement between a machine rotor and its casing. By monitoring this critical thermal growth, the module helps prevent catastrophic mechanical interference in steam turbines and large rotating equipment. It provides continuous, real-time signal processing and compares measured values against user-defined Alert and Danger setpoints to ensure timely machinery protection.

Features

Designed for integration within the 3300 monitoring system rack.
Provides continuous measurement of rotor-to-casing differential expansion.
Includes dedicated Alert and Danger relay logic for reliable machine shutdown or warning.
Front-panel LED indicators provide immediate visual status for OK, Bypass, Alert, and Danger states.
Compatible with standard Bently Nevada proximity probe/Proximitor sensor configurations.

Applications

Thermal expansion monitoring in industrial steam turbines.
Protection of large rotating machinery against axial displacement damage.
Machinery condition monitoring systems where rotor-casing interference is a primary risk.

Technical Specifications

Model	3300/46-XX-XX-01-00
Brand	Bently Nevada
Series	3300
Operating Temperature	0 to 60 degC
Power Consumption	1.5 W
Sensitivity	200 mV/mil or 100 mV/mil (probe dependent)
Signal Accuracy	±0.33% typical (at 25 degC)
Analog Outputs	4-20 mA, 1-5 VDC, 0 to -10 VDC

Installation Guidelines

Ensure the 3300 rack is properly grounded according to site safety standards to prevent signal noise.
Always power down the rack before inserting or removing the monitor module to prevent electrical arcing or damage to the backplane connectors.
Route sensor signal cables away from high-voltage lines and sources of electromagnetic interference (EMI) to maintain measurement integrity.
Verify that the configured measurement range and probe type match the physical installation parameters before applying full system power.

FAQ

What does the 01 relay option indicate?

The 01 suffix designates that the module is equipped with a single relay output configuration, which is utilized for triggering machine protection or alarm systems when setpoints are exceeded.

Is this module compatible with existing 3300 racks?

Yes, the 3300/46 is designed to fit into standard 3300 series rack slots, maintaining consistency with existing Bently Nevada infrastructure.

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