Bently Nevada 3500/50M 133442-01 Tachometer Module

The Bently Nevada 3500/50M 133442-01 Tachometer Module is a precision monitoring device designed to measure rotational speed and provide overspeed protection for critical industrial machinery. As part of the 3500 Machinery Protection System, this module delivers accurate speed detection and phase reference signals for vibration monitoring systems, ensuring safe and reliable operation of turbines, compressors, pumps, and generators.

It is widely used in machinery protection systems to trigger overspeed trips, provide redundancy, and support high-speed rotating equipment monitoring in demanding industrial environments.

Key Features

• Dual-channel tachometer inputs for redundant speed monitoring

• Supports multiple sensor types including proximity probes and magnetic pickups

• Overspeed and underspeed protection with configurable alarm thresholds

• Phase reference output for vibration monitoring modules

• Seamless integration with Bently Nevada 3500 racks

• High reliability and accuracy for industrial applications

• Configurable alarm setpoints for speed and acceleration

Technical Specifications

Industry Applications

• Turbine overspeed protection and monitoring

• Compressor speed control and monitoring

• Generator rotational speed monitoring

• Phase reference for vibration analysis

• Pump and fan speed monitoring in industrial plants

• Machinery protection in oil, gas, and power generation sectors

Frequently Asked Questions (FAQ)

Q1: What sensors can be used with the 3500/50M 133442-01?

Supports proximity probes and magnetic pickups.

Q2: Does it provide overspeed protection?

Yes, it includes configurable overspeed and underspeed alarms.

Q3: Is it compatible with other 3500 modules?

Yes, fully compatible with 3500 rack and other monitoring modules.

Q4: How many channels does it have?

It has two independent tachometer channels.

Q5: What is the operating temperature range?

It operates from -30°C to +65°C.

Q6: Does it require external power?

No, it is powered directly from the 3500 rack.

Q7: What is its accuracy?

±0.01% of full-scale measurement.

Q8: Can it provide a phase reference signal?

Yes, it outputs phase reference signals for vibration monitoring.

Q9: Is it configurable for different speed ranges?

Yes, speed ranges are configurable via 3500 configuration software.

Q10: What is the part number?

The part number is 133442-01.