Bently Nevada 991-25-50-01-00 Thrust Transmitter

Product Overview

The Bently Nevada 991-25-50-01-00 Thrust Transmitter delivers precise axial shaft position measurement for turbines, compressors, and pumps. It integrates seamlessly with Bently Nevada proximity probes to ensure reliable monitoring of axial thrust and machinery protection. Moreover, its rugged design withstands harsh industrial environments while providing consistent accuracy over extended operation periods. This transmitter is trusted worldwide in power generation, oil & gas, and heavy industrial applications.

Key Features

• Direct 4–20 mA Output: Provides a simple interface for control and monitoring systems.

• High Accuracy: Measures axial shaft position within ±0.01 mm for dependable protection.

• Durable Design: Operates reliably under extreme temperatures and industrial conditions.

• Full System Compatibility: Works with Bently Nevada 3300 NSv proximity probes and extension cables.

• Simplified Installation: Standard 35 mm DIN rail mounting reduces setup time.

• Maintenance-Friendly: Minimal calibration requirements, supporting preventive maintenance programs.

Technical Specifications

Electrical

• Input: Signal from non-contacting 3300 NSv Proximity Probe

• Output: 4–20 mA DC proportional to axial position

• Power Requirements: 12–35 Vdc

• Accuracy: ±1% of full-scale range

• Resolution: <0.01 mA

Environmental

• Operating Temperature: -35°C to +85°C (-31°F to +185°F)

• Storage Temperature: -51°C to +100°C (-60°F to +212°F)

• Relative Humidity: 100% non-condensing

Physical

• Weight: 245 g

• Dimensions: 81 mm x 45 mm x 95 mm

• Mounting: Standard 35 mm DIN rail

Part Number Breakdown

• 991: Thrust Transmitter

• 25: Full-scale Range 25-0-25 mils

• 50: System Length 5.0 meters

• 01: 35 mm DIN rail mounting

• 00: Standard, no agency approvals

Typical Applications

• Steam and Gas Turbines: Monitor axial shaft movement to prevent excessive thrust.

• Compressors and Pumps: Protect bearings from axial misalignment or wear.

• Oil & Gas, Power Generation: Integrate into condition monitoring for predictive maintenance.

• Industrial Machinery: Enhance safety and reliability through precise thrust measurement.

FAQ

Q1: What probes are compatible with this transmitter?
A1: It works with Bently Nevada 3300 NSv proximity probes and standard extension cables.

Q2: What is the transmitter’s measurement accuracy?
A2: The transmitter provides ±0.01 mm typical accuracy, ensuring reliable axial position monitoring.

Q3: Can this transmitter operate in extreme temperatures?
A3: Yes, it operates between -35°C and +85°C, and can be stored from -51°C to +100°C.

Q4: How is it mounted?
A4: The transmitter uses standard 35 mm DIN rail mounting for easy installation.