Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 133388-01 (standard variant of 3500/53) |
| Manufacturer | Bently Nevada |
| Product category | Machinery Protection System Transient Data Monitor |
| Channel configuration | 4 monitoring channels (supports vibration, position, and speed measurements) |
| Sampling rate | Up to 12,800 samples per second per channel |
| Data capture capacity | 16 MB non-volatile memory for transient data storage |
| Frequency range | 0.1 Hz to 10 kHz |
| Accuracy | ±0.5% of full scale |
| Operating voltage | 5 VDC, ±15 VDC (from 125744-02 rack backplane) |
| Power consumption | 9 W typical, 12 W maximum |
| Operating temperature | 0°C to +60°C (32°F to +140°F) |
| Form factor | 3500 system rack mount (2 slot width) |
| Dimensions | 266 mm (H) × 72 mm (W) × 229 mm (D) (10.5″ × 2.8″ × 9.0″) |
| Compatibility | 125744-02 racks, 136180-01 configuration modules, 136711-01 cables |
| Certification | UL, CE, RoHS compliant, IEC 61010-1 approved |
BENTLY 133388-01
Product introduction
The 133388-01 from Bently Nevada is the standard production variant of the 3500/53 transient data monitoring series, serving as a specialized data acquisition module in 3500 Machinery Protection Systems. This 2-slot module is engineered to capture high-resolution dynamic machinery behavior during transient events—such as startup/shutdown sequences, load changes, and fault conditions—that provide critical diagnostic insights beyond standard continuous monitoring. As the most widely deployed variant of the 3500/53 series, 133388-01 acts as the bridge between real-time protection and detailed diagnostic analysis, enabling proactive machinery health management in critical industrial applications.
Bently Nevada’s 133388-01 module is designed to address the unique challenges of monitoring dynamic machinery conditions. Unlike conventional monitoring modules focused on steady-state operations, it specializes in capturing short-duration events that often reveal early-stage faults. Installed in 125744-02 racks and configured via 136180-01 modules, 133388-01 records high-fidelity data from sensors connected via 136711-01 cables, providing maintenance teams with the detailed information needed to detect emerging issues, track machinery degradation, and optimize maintenance strategies across power generation, oil and gas, and manufacturing sectors.
Core advantages and technical highlights
High-speed transient capture: 133388-01 features a 12,800 samples per second sampling rate per channel, enabling it to capture high-frequency vibration components and rapid machinery events that standard monitoring systems might miss. This capability is critical for detecting early-stage bearing faults, gear mesh issues, and resonance conditions that primarily manifest during transient operations like turbine acceleration or compressor load changes.
Intelligent event triggering: Equipped with configurable trigger mechanisms, 133388-01 automatically captures transient data when predefined conditions are met—such as exceeding alarm thresholds, detecting machinery startup, or receiving external trigger signals. This targeted recording optimizes memory usage while ensuring critical events are captured, providing focused data for diagnostic analysis without requiring continuous high-speed storage.
Reliable data preservation: With 16 MB of non-volatile memory, 133388-01 securely stores transient records through power cycles and system shutdowns. This ensures valuable pre-fault and event data is preserved for post-incident investigation, supporting root cause determination and preventing recurrence of machinery issues—particularly valuable for understanding unexpected shutdowns or performance degradation.
Seamless ecosystem integration: The module integrates fully with the 3500 platform through the 125744-02 rack backplane, receiving configuration parameters from 136180-01 modules and sharing data with 140734-01 communication gateways. This integration allows transient data to be correlated with continuous monitoring data and process variables, providing a comprehensive view of machinery health.
Typical application scenarios
In power generation facilities, 133388-01 modules installed in turbine protection racks capture critical transient data during startup and shutdown sequences. Configured via 136180-01 modules, they record vibration signatures as turbines accelerate through critical speeds, capturing resonance conditions that could indicate emerging issues. This data is invaluable for comparing startup behavior over time, identifying subtle changes that precede machinery faults, and optimizing startup procedures to minimize mechanical stress.
Oil and gas compressor stations utilize 133388-01 to monitor transient conditions during load changes and surge events. The module captures high-resolution vibration data from compressor bearings connected via 136711-01 cables, storing pre- and post-event records that help diagnose surge causes and assess machinery damage. Its integration with 125712-01 I/O modules allows correlation of transient vibration with process parameters like discharge pressure and flow rate, providing a complete picture of event conditions.
Manufacturing plants deploy 133388-01 on critical production line machinery such as large motors and gearboxes. The module captures transient data during equipment startups, stops, and load variations, helping maintenance teams identify alignment issues, bearing defects, or lubrication problems that manifest during these dynamic conditions. When integrated with 3500/60 163179-01 display modules, it provides operators with visualizations of transient events, supporting quicker diagnosis of production interruptions.
BENTLY 133388-01
Related model recommendations
3500/53: Base transient monitoring series that includes the 133388-01 variant.
125744-02: Rack assembly that houses and powers the 133388-01 module.
136180-01: Configuration module that programs monitoring parameters for 133388-01.
136711-01: Vibration sensor cable providing input signals to 133388-01.
140734-01: Communication gateway that transmits transient data from 133388-01.
3500/60 163179-01: Display module that visualizes transient events captured by 133388-01.
125712-01: I/O module whose process data complements 133388-01 measurements.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing 133388-01, verify compatibility with the target 125744-02 rack firmware version and ensure two adjacent slots are available. Confirm the system power supply can accommodate the 12 W maximum load. Gather required tools including torque screwdriver, oscilloscope (for calibration verification), and configuration laptop with 3500 software. Inspect the module for shipping damage, particularly checking input connectors and backplane pins.
Maintenance suggestions: Include 133388-01 in quarterly system inspections, verifying status LEDs indicate normal operation and checking memory usage levels. Download and archive transient data regularly to prevent memory overflow. During scheduled maintenance, verify trigger settings and calibration using configuration software via 136180-01 interfaces. Clean input connectors annually with approved electronic contact cleaner. Update firmware during major system upgrades to ensure compatibility with latest configuration features and communication protocols.
Service and guarantee commitment
Bently Nevada provides 133388-01 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions, including transient capture accuracy, memory functionality, and communication capabilities. Our technical support team offers expert guidance on configuration, trigger setup, and data analysis integration with 136180-01 modules and other system components.
We offer specialized training on transient data analysis, module programming, and diagnostic interpretation specific to 133388-01. Beyond the warranty period, our service agreements include technical support, calibration verification, and expedited replacement services to minimize downtime. Bently Nevada’s commitment to quality ensures reliable performance of 133388-01 throughout its operational lifecycle, backed by our global network of service professionals.
