3500/53 133388-01 Bently Nevada Industrial Overspeed Detection Module

Overview

The 133388-01 Bently Nevada 3500/53 Overspeed Detection Module delivers rapid and reliable protection for high-speed rotating machinery. It is designed to meet API Standards 670 and 612, offering redundant tachometer inputs for robust overspeed monitoring and diagnostic capabilities.

Key Features

• High Reliability & Fast Response: Provides immediate detection of overspeed events for critical equipment protection.

• Redundant Tachometer System: Dual-sensor design ensures continuous monitoring even if one input fails.

• API Compliant: Meets the American Petroleum Institute standards for machinery protection.

• Precise Output Control: Supplies conditioned analog and relay signals for external control systems.

• Durable Construction: Engineered for reliable operation in industrial environments.

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Model: 3500/53

• Part Number / Order Number: 133388-01

• Product Type: Overspeed Detection Module

• Signal Input Range: +10 V to -24 V

• Input Impedance: 20 kΩ

• Power Consumption: 8 W typical

• Transducer Supply: -24 V DC, 40 mA max

• Recorder Output: 4–20 mA proportional to full-scale RPM

• Voltage Compliance: 0–12 V DC across load

• Resolution: 0.3662 µA per bit, ±0.25% error at room temp, ±0.7% across operating range

• Relay Type: Single-Pole Double-Throw (SPDT)

• Contact Ratings:

• DC Max Power: 120 W

• AC Max Power: 600 VA

• Max Current: 5 A

• Min Current: 100 mA @ 5 V DC

• Max Voltage: 30 V DC / 250 V AC

• Contact Life: 100,000 cycles at 5 A, 24 V DC or 120 V AC

Applications

• Monitoring turbine, compressor, and generator overspeed conditions

• Redundant tachometer input for high-reliability industrial systems

• Integration with 3500 Series machinery monitoring racks for complete protection

FAQ

Q: Can the 133388-01 module provide fast overspeed response?
A: Yes, it is engineered for immediate detection of overspeed conditions.

Q: Does this module comply with API standards?
A: Yes, it meets API Standards 670 and 612 for machinery protection.

Q: What type of outputs does it support?
A: Both analog 4–20 mA outputs and SPDT relay outputs are provided for system integration.