Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 3500/33-01-00 149986-01 |
| Manufacturer | BENTLY NEVADA |
| Product category | Vibration monitor module |
| Electrical performance | 24V DC power supply; 8-channel input; 4-20mA output per channel; Power consumption: 10W max |
| Physical size | Width: 24.4mm, Height: 241.3mm, Depth: 242mm |
| Interface type | BNC connectors for vibration sensor inputs; Terminal blocks for power and analog outputs; Backplane connector for system communication |
| Communication protocol | Integrates with 3500 series system bus; Supports analog output for DCS/SCADA integration |
| Environmental requirements | Operating temperature: -40°C to +70°C; Humidity: 5% – 95%, non-condensing; Vibration resistance: 10g peak (10-2000Hz) |
| Installation method | Rack-mountable in 3500 series racks; Occupies 1 standard slot |
| Performance indicators | Measurement range: 0-50mm/s RMS; Accuracy: ±1% of reading; Frequency response: 10Hz – 1kHz; Sampling rate: 5kHz per channel |
BENTLY 3500/33-01-00 149986-01
Product introduction
The BENTLY NEVADA 3500/33-01-00 149986-01 is a high-performance 8-channel vibration monitor module, a key component of the 3500 machinery protection system. It is engineered to provide comprehensive vibration monitoring for rotating machinery in industrial environments, serving as a critical element in predictive maintenance and machinery protection strategies.
This module processes signals from accelerometers, velocity sensors, and proximity transducers, converting raw vibration data into meaningful measurements such as overall vibration amplitude and peak-to-peak values. The 3500/33-01-00 149986-01 delivers standardized 4-20mA outputs for each channel, enabling seamless integration with control systems. In automation architectures, it acts as a central hub for vibration data, detecting early signs of machinery issues like bearing degradation, rotor imbalance, and misalignment to prevent unplanned downtime.
Core advantages and technical highlights
High channel density: With 8 independent monitoring channels, the 3500/33-01-00 149986-01 provides exceptional monitoring coverage in a single rack slot. This high channel density reduces the number of modules required for complex machinery trains, such as multi-stage compressors or turbine-generator sets, minimizing rack space usage and system complexity while lowering overall installation costs.
Advanced signal processing: The module incorporates sophisticated filtering algorithms to isolate relevant vibration frequencies, ensuring accurate measurement even in noisy industrial environments. Its 5kHz sampling rate per channel captures transient vibration events that might indicate incipient faults, while the 10Hz – 1kHz frequency response range covers the critical vibration spectrum for most rotating machinery.
Flexible alarm configuration: Operators can configure dual alarm thresholds (warning and danger) for each channel of the 3500/33-01-00 149986-01, with non-volatile memory preserving settings during power cycles. Alarm outputs can be linked to protective actions or integrated with plant control systems, allowing customized response strategies from simple alerts to automatic shutdowns based on machinery criticality.
Seamless system integration: Designed for the 3500 series architecture, the 3500/33-01-00 149986-01 communicates effortlessly with other 3500 modules via the system backplane. It works in harmony with communication gateways like the 3500/92 to share data with plant-wide monitoring systems, enabling centralized analysis and reporting while maintaining local protection functionality for enhanced system reliability.
Typical application scenarios
In power generation plants, the 3500/33-01-00 149986-01 monitors steam turbine-generator sets, with channels dedicated to bearing housing vibration, rotor vibration, and exciter vibration. It detects early signs of rotor imbalance or stator rubs, providing data to the plant DCS that helps operators optimize turbine performance and schedule maintenance during planned outages, avoiding costly unplanned shutdowns.
Within chemical processing facilities, the module monitors critical pumps and agitators. It tracks vibration levels on pump bearings and motor housings, identifying issues like impeller wear or cavitation. By integrating with the 3500/45 position monitor, it provides a comprehensive view of machinery health, enabling maintenance teams to address problems before they affect production quality or cause equipment failure.
In steel mills, the 3500/33-01-00 149986-01 operates in harsh, high-temperature environments to monitor rolling mill motors and gearboxes. Its rugged design withstands the dusty conditions and temperature fluctuations typical of steel production, ensuring reliable vibration monitoring of critical drives. The module’s outputs trigger alerts when vibration levels exceed safe thresholds, preventing catastrophic failures that could halt production lines.
BENTLY 3500/33-01-00 149986-01
Related model recommendations
3500/32 125712-01: A 4-channel vibration monitor, a sibling model to the 3500/33-01-00 149986-01 for applications requiring fewer monitoring points, offering similar performance in a more compact configuration.
330730-080-00-00: An accelerometer perfectly paired with the 3500/33-01-00 149986-01, providing high-quality vibration signals for accurate measurement of bearing housing vibration.
3500/92-04-01-00 136180-01: A communication gateway that transmits vibration data from the 3500/33-01-00 149986-01 to Ethernet-based systems, enabling remote monitoring and analysis.
3500/20: A rack interface module that facilitates communication between the 3500/33-01-00 149986-01 and other modules in the 3500 rack, ensuring seamless data sharing within the system.
3500/15: A redundant power supply module that provides stable 24V DC power to the 3500/33-01-00 149986-01, ensuring uninterrupted operation in critical applications.
149992-01: A shielded BNC cable assembly used to connect vibration sensors to the 3500/33-01-00 149986-01, preserving signal integrity in electrically noisy environments.
3500/50: A display module that visualizes vibration data from the 3500/33-01-00 149986-01, allowing operators to monitor machinery health at the rack location.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing the 3500/33-01-00 149986-01, power off the 3500 rack and verify proper grounding. Ensure the installation environment meets the specified temperature and humidity ranges. Required tools include a torque wrench (set to 0.5-0.7Nm), Phillips screwdriver, and anti-static wrist strap. Inspect the module for physical damage and clean BNC connectors with isopropyl alcohol. Align the module with the rack guides and gently insert until the backplane connector fully engages, then secure with mounting screws.
Maintenance suggestions: Perform monthly visual inspections of the 3500/33-01-00 149986-01 to check for loose connections, dust accumulation, or signs of overheating. Clean the module surface with a dry, lint-free cloth. Calibrate annually using BENTLY NEVADA’s calibration kit to maintain measurement accuracy. If erratic readings occur, check sensor connections and cable integrity—replace damaged 149992-01 cables with genuine parts. For fault codes, refer to the 3500 system diagnostics via the rack interface. Keep a maintenance log documenting calibrations, alarm events, and repairs to track module performance over time.
Service and guarantee commitment
The 3500/33-01-00 149986-01 comes with a 12-month warranty covering manufacturing defects. During this period, we provide free repair or replacement for faulty units. Our technical support team offers 24/7 assistance for installation, configuration, and troubleshooting via phone, email, and online chat. We supply comprehensive documentation, including calibration procedures and integration guides, to ensure optimal performance.
For critical applications, optional extended warranties (up to 3 years) are available, including on-site support and priority service. Backed by BENTLY NEVADA’s extensive experience in machinery protection, the 3500/33-01-00 149986-01 is guaranteed to deliver reliable vibration monitoring, helping you maintain machinery health and maximize production uptime.
