Bently Nevada 177230-02-02-05 Shaft Displacement Sensor

Product Overview

The 177230-02-02-05 represents a high-integrity signal conditioning solution within the Bently Nevada 3300 XL series. While often categorized under seismic monitoring suites, this specific 177230-02-02-05 unit functions as a Proximitor* Sensor designed to convert complex eddy current signals from proximity probes into linear voltage outputs. These outputs directly correspond to shaft vibration and radial position, providing essential data for API 670 machinery protection systems. By utilizing advanced surface-mount technology, the 177230-02-02-05 minimizes signal noise and maintains tight calibration tolerances across wide temperature variances, ensuring the safety of critical turbines, compressors, and high-speed pumps.

Technical Specifications

The 177230-02-02-05 is engineered for precision and rapid field integration within industrial monitoring racks.

• Model/Order Number: 177230-02-02-05

• Transducer Compatibility: Compatible with 3300 XL 5mm and 8mm proximity probes

• System Length: Calibrated for specific total electrical lengths (Probe + Extension Cable)

• Output Signal: Linear voltage (typically 200 mV/mil or 7.87 V/mm)

• Input Voltage: -18 Vdc to -26 Vdc

• Current Consumption: Less than 12 mA

• Connector Type: Gold-plated ClickLoc coaxial connectors

• Material: Rugged aluminum housing for EMI/RFI shielding

• Dimensions: 13.0 cm x 1.9 cm x 19.1 cm

• Weight: 0.2 kg (0.44 lbs)

• Operating Temperature: -52°C to +100°C (-62°F to +212°F)

Engineering Advantages and System Integration

The 177230-02-02-05 Proximitor Sensor utilizes a proprietary ClickLoc connection system. This mechanical locking mechanism prevents the coaxial cables from loosening in high-vibration environments, which is a frequent cause of false trips in legacy systems. Furthermore, the 177230-02-02-05 allows for complete interchangeability. This means engineers can replace the sensor without the need for time-consuming field recalibration, provided the total system length remains consistent. The compact 1.9 cm width enables high-density mounting on DIN rails or within 3500 series machinery protection racks, optimizing cabinet space.

Frequently Asked Questions

• Can I use the 177230-02-02-05 with a non-XL proximity probe?While some cross-compatibility exists, we strongly recommend pairing the 177230-02-02-05 only with 3300 XL series probes and cables to ensure the linear scale factor (200 mV/mil) remains within factory specifications.

• Does this unit require a separate power supply?Yes, the 177230-02-02-05 typically receives power (-24 Vdc nominal) from the monitor module or a dedicated instrument power supply within the control system.

• What happens if my total system length is incorrect?If the combined length of your probe and extension cable does not match the calibration of the 177230-02-02-05, the voltage output will shift, resulting in inaccurate vibration readings. Always verify the "System Length" noted on the sensor label.