Bently Nevada 3300/48-01-01-01-00 Case Expansion Monitor Module

Overview

The Bently Nevada 3300/48-01-01-01-00 Reliable Case Expansion Monitor Module is designed to track casing expansion and contraction in rotating machinery, providing real-time protection against thermal growth and structural stress. By monitoring axial case movement, it prevents misalignment, rotor contact, and mechanical damage, ensuring continuous and safe operation of turbines, compressors, and generators.

Technical Specifications

• Model Number: 3300/48-01-01-01-00

• Product Type: Case Expansion Monitor Module

• Manufacturer: Bently Nevada (GE Energy)

• Measurement Function: Casing expansion detection

• Input Channels: Dual independent channels

• Sensor Compatibility: 3300 Series Proximitor® or proximity probes

• Measurement Range: Configurable full-scale options depending on machinery requirements

• Signal Output: 4–20 mA analog for integration with PLC/DCS

• Response Time: Less than 1 millisecond

• Alarm Configuration: Adjustable alert and danger setpoints

• Power Supply: 24 VDC

• Operating Temperature: -40°C to +70°C (-40°F to +158°F)

• Construction: EMI/RFI-shielded industrial-grade housing

• Compliance: API 670 and ISO 10816

• Country of Origin: USA

Key Features

• High-Accuracy Measurement: Detects small axial movements to prevent misalignment or rotor contact.

• Dual-Channel Monitoring: Provides redundant monitoring for enhanced safety.

• Rapid Response: Sub-millisecond detection ensures immediate alert on thermal expansion events.

• Seamless Integration: Compatible with 3300 series racks and analog monitoring systems.

• Industrial Reliability: Designed for continuous operation in harsh temperature and vibration conditions.

• Configurable Alarm Logic: Digital adjustment allows precise fault detection thresholds.

Application Scenarios

The Bently Nevada 3300/48-01-01-01-00 is ideal for:

• Steam and gas turbines

• Compressors and generators

• Pumps and large rotating machinery

• Equipment requiring precise case expansion supervision to prevent mechanical interference

FAQ

Q1: What does a case expansion monitor measure?
It measures axial casing growth relative to the rotor to prevent contact or misalignment due to thermal expansion.

Q2: Is this module compatible with existing 3300 systems?
Yes, it integrates seamlessly with standard 3300 racks and Proximitor® probe systems.

Q3: What is the response speed of this module?
The module responds in less than 1 millisecond for real-time monitoring and protection.