134938-01 | Bently Nevada | 3500/50 Tachometer Monitoring Module

Overview

The 134938-01 Bently Nevada 3500/50 Tachometer Module is engineered for precise monitoring of rotating machinery. It tracks shaft speed, rotor acceleration, and rotational direction while providing configurable overspeed and underspeed alarms. Designed for dual-channel operation, this module ensures reliable performance and redundancy for critical machinery diagnostics.

Key Features

• Dual-Channel Input: Monitors two independent tachometer signals for multi-point tracking or backup redundancy.

• Overspeed & Underspeed Protection: Real-time detection and alarm generation to prevent operational hazards.

• Flexible Sensor Compatibility: Works with both proximity probes and magnetic pickups.

• Continuous Data Processing: Calculates rotor speed, acceleration, and direction in real time.

• Seamless System Integration: Fully compatible with Bently Nevada 3500 Series racks for complete diagnostics.

• Compact, Rack-Mountable Design: Slim profile enables efficient space utilization in industrial racks.

• Industrial-Grade Durability: Built for continuous operation under harsh environmental conditions.

• Ready-to-Ship: In-stock and prepared for immediate global deployment.

Technical Specifications

• Manufacturer: Bently Nevada

• Model: 3500/50

• Part Number / Order Number: 134938-01

• Product Type: Dual-Channel Tachometer Module

• Channels: 2

• Sensor Inputs: Compatible with proximity probes and magnetic pickups

• Functionality: Measures shaft speed, rotor acceleration, and direction

• Alarm Capability: Configurable overspeed and underspeed alarms

• System Compatibility: Integrates with 3500 Series monitoring racks

• Dimensions (H × W × D): 241.3 mm × 24.4 mm × 241.8 mm

• Weight: 0.91 kg

• Country of Manufacture: USA

• Warranty: One-year manufacturer warranty

Applications

• Monitoring critical rotating machinery such as turbines, compressors, and generators

• Detecting overspeed conditions for preventative maintenance and operational safety

• Integrating with Bently Nevada 3500 Series systems for comprehensive machinery diagnostics

FAQ

Q: Can 134938-01 handle multiple sensor types?
A: Yes, it is compatible with both proximity probes and magnetic pickups.

Q: Does the module support dual-channel operation?
A: Yes, it can monitor two independent signals simultaneously for redundancy or multi-point tracking.

Q: Can it generate overspeed alarms?
A: Yes, alarms are configurable based on user-defined setpoints for both overspeed and underspeed.