Bently Nevada 21504-00-40-10-02 7200 8mm Standard Mount Probe

Product Overview

The Bently Nevada 21504-00-40-10-02 is a high-performance proximity probe designed as part of the trusted 7200 Series. It features an 8mm probe tip and comes with a 40-inch integral cable, making it ideal for installations requiring extended distance between the sensing point and the proximitor. This standard mount probe is engineered for continuous monitoring of rotating machinery, providing precise non-contact measurements of shaft vibration and position.

Built to comply with API 670 guidelines, this probe is widely used in the oil & gas, petrochemical, power generation, and heavy industrial sectors. It works in conjunction with a proximitor sensor and extension cable to form a complete eddy-current proximity measurement system. Its rugged design, superior stability, and ease of installation make it a long-term solution for machinery protection systems.

Technical Specifications

Applications

The Bently Nevada 21504-00-40-10-02 proximity probe is suitable for a broad range of industrial and critical applications:

• Steam Turbines: Monitoring shaft vibration and axial displacement.

• Gas Compressors: Shaft behavior analysis in high-speed rotating systems.

• Centrifugal and Reciprocating Pumps: Detecting imbalance and misalignment.

• Electric Motors and Generators: Rotor position tracking and vibration detection.

• Gearboxes and Couplings: Early fault detection via shaft displacement signals.

• Refineries and Chemical Plants: Integration into condition monitoring and safety systems.

Its 40-inch cable length makes it especially useful where access to the target surface is limited, or routing constraints are present.

Product Advantages

• Extended Cable Length: 1.0 meter integrated cable supports flexible installation without compromising signal quality.

• Robust Mechanical Design: Stainless steel body and high-temperature rated tip ensure durability in aggressive environments.

• Industry Compliance: Conforms to API 670 standards, ensuring compatibility with critical rotating equipment monitoring specifications.

• Excellent Signal Integrity: Delivers stable 200 mV/mil output across the full measurement range.

• Non-Contact Operation: Provides accurate vibration and displacement data without physical wear on machinery.

• Fast Response Time: Wide frequency response enables detection of rapid machinery behavior changes.

• IP65 Rated Housing: Offers reliable protection against dust and moisture when properly installed.

• Field Replaceable: Designed for ease of maintenance and field replacement with minimal downtime.

• Global Support: Backed by Bently Nevada’s comprehensive service network for technical assistance.

• Long Operating Life: Built to withstand extreme industrial operating conditions for continuous usage.

Frequently Asked Questions (FAQ)

1. Q: What distinguishes the 21504-00-40-10-02 from other 8mm probes?
   A: The key distinction is its 1.0 meter total length, which allows for installations where longer reach is required.

2. Q: What system does this probe belong to?
   A: It is part of the Bently Nevada 7200 proximity transducer system.

3. Q: Is this probe compatible with the 3300 XL proximitor?
   A: No, it is designed specifically for use with 7200 series proximitor sensors.

4. Q: How should this probe be mounted?
   A: It should be thread-mounted using the standard 3/8-24 UNF threads.

5. Q: What type of output signal does this probe generate?
   A: The probe outputs a linear voltage signal of 200 mV/mil, typically processed through a proximitor.

6. Q: Can the probe withstand oil and steam exposure?
   A: Yes, the housing and probe tip materials are resistant to most industrial chemicals and high humidity.

7. Q: What is the recommended gap voltage?
   A: Typically, the system is adjusted to -10 VDC at a 1.0 mm (40 mils) gap.

8. Q: Does the longer cable affect measurement accuracy?
   A: No, the cable length is matched to the proximitor system to maintain calibrated accuracy.

9. Q: Is this probe field-replaceable?
   A: Yes, the probe is designed to be replaced in the field with minimal disassembly.

10. Q: What kind of maintenance is required?
    A: Periodic visual inspections and verification of calibration during scheduled maintenance intervals are recommended.

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Frequently Asked Questions (FAQ)

1. Q: What distinguishes the 21504-00-40-10-02 from other 8mm probes?
   A: The key distinction is its 40-inch cable length, which allows for installations where longer reach is required.

2. Q: What system does this probe belong to?
   A: It is part of the Bently Nevada 7200 proximity transducer system.

3. Q: Is this probe compatible with the 3300 XL proximitor?
   A: No, it is designed specifically for use with 7200 series proximitor sensors.

4. Q: How should this probe be mounted?
   A: It should be thread-mounted using the standard 3/8-24 UNF threads.

5. Q: What type of output signal does this probe generate?
   A: The probe outputs a linear voltage signal of 200 mV/mil, typically processed through a proximitor.

6. Q: Can the probe withstand oil and steam exposure?
   A: Yes, the housing and probe tip materials are resistant to most industrial chemicals and high humidity.

7. Q: What is the recommended gap voltage?
   A: Typically, the system is adjusted to -10 VDC at a 1.0 mm (40 mils) gap.

8. Q: Does the longer cable affect measurement accuracy?
   A: No, the cable length is matched to the proximitor system to maintain calibrated accuracy.

9. Q: Is this probe field-replaceable?
   A: Yes, the probe is designed to be replaced in the field with minimal disassembly.

10. Q: What kind of maintenance is required?
    A: Periodic visual inspections and verification of calibration during scheduled maintenance intervals are recommended.

Related Models (Same Series or Function)

Popular Bently Nevada Models (Same Brand)

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