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.
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.
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
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
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.
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