21504-000-032-05-02 | Bently Nevada 8 mm Probe Proximity Vibration

What Is the Bently Nevada 21504-000-032-05-02?

When rotating machinery demands precise vibration monitoring, the 21504-000-032-05-02 from Bently Nevada provides a trusted solution. This 8 mm probe proximity vibration sensor is part of the 7200 Proximity Transducer Systems family. It is engineered to deliver accurate displacement measurements in harsh industrial environments. With a calibrated range of 80 mils (2.0 mm) and a scale factor of 200 mV/mil (7.87 V/mm), this sensor ensures reliable data for predictive maintenance.

Key Features and Technical Specs

• Diameter: 8 mm probe with 3/8-24 threads for secure mounting.
• Calibrated range: 80 mils (2.0 mm), beginning at approximately 10 mils (0.25 mm) from probe face.
• Scale factor: 200 mV/mil (7.87 V/mm), ±4% when calibrated as a system.
• Linearity: Within 0.8 mils (0.02 mm) of a 200 mV/mil straight line if calibrated as a system.
• Frequency response: 0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz.
• Power: -17.5 Vdc to -26 Vdc at 12 mA maximum consumption.
• Operating temperature: Proximitor -60°F to +212°F (-51°C to +100°C); probe and extension cable -30°F to +350°F (-34°C to +177°C).
• System weight: 1.3 lbs. (0.59 kg).

Installation and Setup Guidance

Installing the 21504-000-032-05-02 requires careful attention to mounting and wiring. The probe uses a standard 3/8-24 thread for secure attachment. Ensure the probe face is positioned correctly to achieve the calibrated gap range. The unthreaded length is 0 mm, and the overall case length is 3.2 inches. The total cable length is 0.5 metre (20 inches) with a tolerance of +0.13 metre, -0.05 metre. The connector option includes a miniature male coaxial connector. Follow Bently Nevada's installation manual for precise gap setting and cable routing.

Maintenance and Reliability

For long-term reliability, inspect the 21504-000-032-05-02 periodically. Check the probe tip and cable for physical damage. The sensor is designed for 95% noncondensing relative humidity and resists corrosion from air, water, lube oil, ammonium hydroxide, sulfuric acid (10%), MEK, or DMF. Regular verification of the scale factor and linearity ensures consistent performance. A 12-month factory warranty backs each unit from Petro Auto Tech.

Compatible Systems and Integration

The 21504-000-032-05-02 integrates with Bently Nevada 7200 Proximitor systems. It is compatible with standard monitoring racks and data acquisition platforms. For detailed integration guidelines, refer to the official Bently Nevada documentation. Petro Auto Tech can assist with compatibility questions.

Frequently Asked Questions

Q: What is the scale factor of the 21504-000-032-05-02?

A: The scale factor is 200 mV/mil (7.87 V/mm), ±4% when calibrated as a system.

Q: What is the operating temperature range for the probe?

A: The probe and extension cable operate from -30°F to +350°F (-34°C to +177°C).

Q: What is the calibrated range of this sensor?

A: The calibrated range is 80 mils (2.0 mm), beginning at approximately 10 mils (0.25 mm) from the probe face.

Q: What power supply does the 21504-000-032-05-02 require?

A: It requires -17.5 Vdc to -26 Vdc at 12 mA maximum consumption.

Q: Is the probe resistant to corrosive environments?

A: Yes, for 8 mm probes, operation is not affected by direct contact with air, water, lube oil, ammonium hydroxide, sulfuric acid (10%), MEK, or DMF.

Product Support and Availability

The 21504-000-032-05-02 is in stock and ready to ship from Petro Auto Tech. Each unit is new and original in factory packing. For lifecycle status or ordering assistance, contact Petro Auto Tech directly.