Bently Nevada 3300/47-XX-XX-02-00 Differential Expansion Monitor

Availability: 5 left in stock

DescriptionThe Bently Nevada 3300/47 Differential Expansion Monitor is a specialized rack-mount module engineered to track the relative thermal expansion between...

SKU: 3300/47-XX-XX-02-00

Manufacturer: Bently Nevada
Product No.: 3300/47-XX-XX-02-00
Product Type: Vibration Monitor Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Bently Nevada 3300/47 Differential Expansion Monitor is a specialized rack-mount module engineered to track the relative thermal expansion between a turbine rotor and its casing. By monitoring this critical displacement, the module helps prevent mechanical interference and catastrophic failure in steam turbines and large-scale rotating machinery. The unit provides continuous signal processing and real-time comparison against configured alarm setpoints to ensure operational safety.

Features

Precise measurement of relative rotor-to-casing thermal expansion.
Integrated signal conditioning for proximity probe inputs.
Dual relay outputs designated for Alert and Danger alarm conditions.
Front-panel status monitoring via LEDs for OK, Bypass, Alert, and Danger states.
Standardized 3300 series rack-mount form factor for seamless system integration.

Applications

This module is primarily utilized in power generation and heavy industrial sectors for the protection of steam turbines and large rotating equipment. It is essential for monitoring thermal growth during startup, shutdown, and steady-state operations to mitigate the risk of rotor strikes against internal casing components.

Technical Specifications

Model	3300/47-XX-XX-02-00
Brand	Bently Nevada
Series	3300
Operating Temperature	0 to 60 deg C
Power Consumption	1.5 W
Input Signal	Proximity probe (via Proximitor)
Sensitivity	200 mV/mil or 100 mV/mil (config dependent)
Signal Accuracy	±0.33% typical (at 25 deg C)
Output Signals	+4 to +20 mA, +1 to +5 VDC, 0 to -10 VDC

Installation Guidelines

Ensure the 3300 rack is powered down before inserting or removing the monitor module.
Handle the module using proper ESD-safe practices to prevent damage to sensitive internal circuitry.
Verify that the module is fully seated in the rack slot to ensure reliable backplane communication.
Route signal cables away from high-voltage lines or sources of significant electromagnetic interference (EMI) to maintain signal integrity.
Ensure adequate ventilation around the rack to maintain the operating temperature within the 0 to 60 deg C range.

FAQ

What does the 02 suffix represent in this model?

The 02 suffix indicates that the module is equipped with dual relay outputs, specifically configured to manage Alert and Danger alarm logic.

Is this module compatible with standard proximity probes?

Yes, the 3300/47 monitor is designed to accept inputs from standard proximity probes connected through Proximitor sensors, with sensitivity settings adjustable based on the specific probe configuration.

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.