Bently Nevada 3300/47-XX-03-01-00 Differential Expansion Monitor

Bently Nevada 3300/47-XX-03-01-00 — image 1

Bently Nevada 3300/47-XX-03-01-00 — image 2

Bently Nevada 3300/47-XX-03-01-00 — image 3

Bently Nevada 3300/47-XX-03-01-00 Differential Expansion Monitor

Availability: 7 left in stock

The Bently Nevada 3300/47 Differential Expansion Monitor is a specialized rack-mounted module engineered to track the axial thermal growth between...

SKU: 3300/47-XX-03-01-00

Manufacturer: Bently Nevada
Product No.: 3300/47-XX-03-01-00
Product Type: Differential Expansion Monitor
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 3300/47 Differential Expansion Monitor is a specialized rack-mounted module engineered to track the axial thermal growth between a turbine rotor and its casing. By monitoring these critical clearance changes, the unit helps prevent mechanical contact and potential catastrophic equipment failure during machine startup, operation, or shutdown cycles.

Features

Continuous monitoring of differential expansion parameters for large rotating machinery.
Integration with proximity probes and Proximitor sensors for high-precision measurement.
Dual relay outputs configured for Alert and Danger alarm logic.
Integrated LED status indicators for visual confirmation of OK, Bypass, Alert, and Danger states.
Signal conditioning designed for high accuracy in demanding industrial environments.

Applications

This monitor is primarily deployed in power generation and heavy industrial facilities to protect steam turbines and other large rotating assets where thermal expansion management is essential for operational integrity.

Technical Specifications

Model	3300/47-XX-03-01-00
Operating Temperature	0 to 60 degC
Power Consumption	1.5 W (typical)
Sensitivity	200 mV/mil (8 V/mm) or 100 mV/mil (4 V/mm)
Signal Accuracy	+/- 0.33% typical, +/- 1% max at 25 degC
Output Signals	4 to 20 mA, 1 to 5 VDC, 0 to -10 VDC

Installation Guidelines

Ensure the 3300 series rack is properly grounded to a clean instrument earth to minimize noise interference.
Power down the rack before inserting or removing the module to prevent electrical damage.
Verify that the probe configuration matches the specific requirements of the XX measurement range and Proximitor sensor interface.
Route signal cables away from high-voltage power lines and sources of electromagnetic interference (EMI).
Maintain adequate ventilation within the cabinet to ensure the ambient temperature remains within the 0 to 60 degC range.

FAQ

What is the primary function of the 3300/47 module? It measures the differential thermal expansion between the turbine rotor and casing to prevent mechanical interference.

Does this module include relay outputs? Yes, this specific model (03-01-00) includes dual relay outputs configured for Alert and Danger alarm conditions.

What input type does it support? It is designed to accept inputs from proximity probes via standard Proximitor sensors.

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.

Lucas Müller

Operations Director, Germany