BENTLY 3300/20-12-01-03-00-00

Description

Detailed parameter table

BENTLY 3300/20-12-01-03-00-00

Product introduction

The 3300/20-12-01-03-00-00 from Bently Nevada is a precision-engineered dual thrust position monitor, representing a key component in the 3300 series of machinery protection systems. Designed specifically for monitoring axial shaft position in critical rotating machinery, this rack-mountable device provides continuous, real-time measurement of thrust bearing movement—an essential parameter for preventing catastrophic machinery failures.

As a specialized monitoring solution, 3300/20-12-01-03-00-00 serves as the critical interface between proximity sensors and control systems, converting raw sensor data into actionable 4-20 mA outputs that integrate seamlessly with DCS, PLC, and SCADA systems. Its dual-channel design allows simultaneous monitoring of two independent thrust positions, making it ideal for complex machinery where multiple thrust bearings require protection.

In automation systems, 3300/20-12-01-03-00-00 plays a vital role in early fault detection, providing timely alerts when thrust position exceeds safe thresholds. This capability not only protects expensive machinery but also enables predictive maintenance strategies, reducing unplanned downtime and optimizing operational efficiency in industrial facilities.

Core advantages and technical highlights

Dual-channel precision monitoring: 3300/20-12-01-03-00-00 features two independent monitoring channels that deliver accurate thrust position measurements with exceptional stability. Each channel maintains consistent performance across the entire operating range, ensuring reliable detection of even subtle axial movement changes that could indicate bearing wear or misalignment. This dual-channel design eliminates the need for multiple single-channel devices, reducing installation complexity and system cost.

Industrial-grade reliability: Built to withstand harsh industrial environments, 3300/20-12-01-03-00-00 operates reliably in temperatures ranging from -20°C to +60°C and humidity levels up to 95% non-condensing. Its rugged construction resists vibration, electromagnetic interference, and voltage fluctuations, ensuring consistent performance in turbine halls, compressor stations, and manufacturing plants where environmental conditions can be extreme.

Seamless system integration: The monitor’s 4-20 mA analog outputs provide straightforward integration with existing control systems, while its compatibility with 3300 series proximity probes ensures a complete, factory-matched measurement chain. 3300/20-12-01-03-00-00 includes diagnostic LEDs that provide instant visual status updates, simplifying system troubleshooting and reducing maintenance time. This combination of standard outputs and diagnostic features makes it easy to incorporate into both new installations and retrofit projects.

Configurable alarm functionality: 3300/20-12-01-03-00-00 offers configurable alarm thresholds that can be tailored to specific machinery requirements, allowing operators to set appropriate alert and danger levels for different operating conditions. This customization ensures optimal protection by preventing nuisance alarms while ensuring timely notification of genuine fault conditions, balancing machinery protection with operational availability.

Typical application scenarios

In power generation facilities, 3300/20-12-01-03-00-00 plays a critical role in turbine protection by monitoring thrust bearing position in steam and gas turbines. The dual channels allow simultaneous monitoring of both high-pressure and low-pressure turbine thrust bearings, providing early warning of axial movement that could indicate rotor imbalance or bearing degradation. This capability is essential for preventing costly turbine rubs and ensuring continuous power generation.

Oil and gas processing plants utilize 3300/20-12-01-03-00-00 to monitor centrifugal compressor thrust positions, where axial movement can signal impeller wear, seal degradation, or process instability. By providing precise, real-time measurements, the monitor enables operators to make informed decisions about process adjustments or maintenance interventions before catastrophic failure occurs, protecting critical compression equipment in pipeline and refining operations.

In large manufacturing facilities, 3300/20-12-01-03-00-00 is installed on high-power motors and generators, monitoring thrust bearing movement to detect issues such as rotor misalignment, coupling wear, or foundation problems. The monitor’s reliable performance in industrial environments ensures continuous protection of these essential assets, supporting uninterrupted production in automotive, chemical, and pulp and paper manufacturing operations.

BENTLY 3300/20-12-01-03-00-00

Related model recommendations

330106-05-30-10-02-00: Proximity probe system that provides input signals to 3300/20-12-01-03-00-00 for thrust position measurement.

3300/16-11-01-03-00-00-01: Complementary vibration monitor that works with 3300/20-12-01-03-00-00 for comprehensive machinery protection.

133323-01: Shielded extension cable used to connect proximity probes to 3300/20-12-01-03-00-00 while maintaining signal integrity.

3500/40M 140734-01: Higher-channel count monitoring module compatible with 3300/20-12-01-03-00-00 in larger 3500 system architectures.

3500/25 184684-01: Relay output module that receives alarm signals from 3300/20-12-01-03-00-00 to trigger protective actions.

3500/05-01-02-00-00-00: Communication module that integrates data from 3300/20-12-01-03-00-00 into plant-wide control systems.

3300/07: Signal conditioner that enhances measurement accuracy when used with 3300/20-12-01-03-00-00 in noisy environments.

3500/60 163179-01: Display module that provides visual status of measurements from 3300/20-12-01-03-00-00 for operator monitoring.

Installation, commissioning and maintenance instructions

Installation preparation: Before installing 3300/20-12-01-03-00-00, ensure the mounting rack is properly grounded and secured to prevent vibration-induced errors. Verify the power supply meets the 20-28 VDC requirement and use a multimeter to check for voltage fluctuations that could affect performance. Prepare shielded cables (such as 133323-01) for connecting to proximity probes, ensuring cable lengths do not exceed recommended limits. During installation, maintain a minimum clearance of 150 mm around the unit for proper ventilation and access.

Maintenance suggestions: For optimal performance, inspect 3300/20-12-01-03-00-00 quarterly by checking LED status indicators and verifying output signals with a calibrated meter. Clean ventilation openings periodically to prevent dust accumulation that could cause overheating. Annually, verify alarm setpoints and calibration using a precision signal generator. If channel faults occur, first check probe connections and cable integrity before replacing the module. Store spare units in a dry environment within the -40°C to +85°C storage range to ensure readiness for quick replacement if needed.

Service and guarantee commitment

Bently Nevada stands behind the quality and reliability of 3300/20-12-01-03-00-00 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions. Our technical support team provides expert assistance for installation, configuration, and troubleshooting, ensuring optimal system performance from initial commissioning through the product lifecycle.

We offer comprehensive training programs specific to 3300/20-12-01-03-00-00 operation and maintenance, empowering customers to maximize the value of their investment. Beyond the warranty period, our service agreements include calibration verification, performance testing, and expedited replacement services to minimize downtime. Bently Nevada’s global network of service professionals ensures timely support, demonstrating our commitment to customer success and the long-term reliability of your machinery protection systems.