Bently Nevada 21505-00-60-05-02 Proximity Probe Vibration Sensor

Technical Specifications Breakdown

Key parameters for the 21505-00-60-05-02 are listed below for quick reference:

Industry Applications

The 8 mm tip and 80 mil calibrated range suit standard bearing clearance measurements. The stainless steel armor and corrosion resistance allow direct contact with lube oil and common industrial chemicals, reducing probe degradation in wet or aggressive environments. The frequency response up to 10 kHz captures both slow-speed shaft runout and high-frequency vibration events.

Installation & Setup Guidance

Mount the probe with the 3/8-24 threaded tip into a pre-drilled hole in the bearing housing or machine casing. Ensure the probe face is clean and the target surface is smooth. The calibrated range begins at approximately 10 mils (0.25 mm) from the probe face, so set the initial gap within this zone. Use the miniature male coaxial connector to attach the extension cable, and verify the power supply delivers -17.5 Vde to -26 Vdc at 12 mA maximum. Avoid bending the lead armor sharply to prevent internal wire damage.

Maintenance & Reliability

Periodically inspect the probe tip for buildup of oil, dirt, or debris that could affect the gap measurement. The stainless steel armor resists corrosion, but check for cracks or wear in high-vibration areas. The probe and extension cable operate reliably from -30°F to +350°F, making them suitable for hot bearing environments. For the Proximitor, ensure ambient temperature stays within -60°F to +212°F. No field calibration is required if the system was calibrated as an unit; however, verify the scale factor and linearity during scheduled outages.

Precision Vibration Monitoring with the Bently Nevada 21505-00-60-05-02

Industrial rotating machinery demands reliable vibration sensing to prevent catastrophic failures. The Bently Nevada 21505-00-60-05-02 is a 8 mm proximity probe designed for continuous monitoring of shaft vibration and position in critical assets such as turbines, compressors, and pumps. This component is part of the trusted 7200 Proximity Transducer Systems and delivers accurate, repeatable measurements in harsh environments.

Compatibility & Integration

The 21505-00-60-05-02 integrates with Bently Nevada 7200 series monitors and rack systems. The 200 mV/mil output signal is compatible with most vibration data collectors and distributed control systems (DCS) that accept analog voltage inputs. The miniature coaxial connector ensures a secure, shielded connection for signal integrity over long cable runs.

Selection Guide & Purchasing Advice

When selecting a replacement probe, verify the total length (0.5 metre) and connector type (miniature male coaxial) match your existing system. The 8 mm diameter and 3/8-24 thread are standard for many Bently Nevada installations. At AutoDCSTech, this unit is available new and original in factory packing with a 12-month warranty. Please verify current lifecycle status and availability with AutoDCSTech before ordering.