What is 21504-000-012-05-02 ?

21504-000-012-05-02 is a Proximity Transformer

Which system does 21504-0000-012-05-02 belong to?

It belongs to the 7200 Transducer Series but is fully compatible with 3300 and 3500 monitoring racks.

How to install the 21504-0000-012-05-02?

Thread it into the tapped hole on the machine bearing housing and set the correct gap based on the Proximitor’s voltage output.

What connector does 21504-0000-012-05-02 support?

The "02" at the end indicates it is equipped with a miniature male coaxial connector.

Is the 21504-0000-012-05-02 still in production?

The 7200 series is in its late life cycle and is typically replaced by the 3300 XL 8mm series.

21504-000-012-05-02

Name: 21504-000-012-05-02
Brand: Bently Nevada
SKU: 21504-000-012-05-02

Proximity Transducer

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Proximity Transducer
high-accuracy, non-contact sensor
designed to monitor
shaft displacement

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Technical specifications for 21504-000-012-05-02

Manufacturer:

Bently Nevada
Product Category:

Machinery Monitoring Systems
Spare Part Number:

21504-000-012-05-02
Estimated shipping dimensions:

1.6x1.3x69cm
Weight:

0.05 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Probe Tip Diameter:

8 mm
System Length:

1.2 m
Measurement Range:

0–4.0 mm
Sensitivity:

3.94 V/mm
Linearity:

±1% of full scale
Supply Voltage:

-24 V DC
Operating Current:

≤ 15 mA

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Information

Overview Manuals Common Applications Product Precautions

21504-000-012-05-02 Proximity Transducer
A high-precision vibration probe designed for Bently Nevada monitoring systems
It provides accurate non-contact vibration and displacement measurement, ensuring reliable performance for critical rotating and reciprocating machinery applications

The Bently Nevada 7200 5 mm / 8 mm Series Proximity Transducer Systems are noncontacting, gap-to-voltage transducer systems designed to measure both static and dynamic distances between the probe tip and the observed target. They are widely used wherever accurate, noncontacting displacement measurement is required, with the most common applications being shaft position and vibration monitoring.

These systems are suitable for use with virtually any type of machinery, including gas and steam turbines, compressors, pumps, centrifuges, electric motors, and generators. They provide a linear measuring range of 80 mils (2 mm) and are designed to be compatible with API 670 requirements, ensuring reliable performance in critical rotating and reciprocating machinery applications.

A system consists of a probe with integral coaxial cable, an extension cable, and Proximitor. All 7200 proximity transducer systems are compatible with 3300 and 9000 Monitoring Systems.

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Bently Nevada 21504-0000-012-05-02 7200 Series 8mm Proximity Probe Manuals, Datasheets, Drivers, Link

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Oil & Gas

Monitoring shaft orbit to prevent bearing damage caused by surge conditions.

Power Generation

Measuring radial vibration and axial thrust of the main shaft to prevent rotor-to-stator contact.

Steel & Metallurgy

Monitoring bearing vibration of large blowers to avoid unplanned downtime due to imbalance.

Paper & Pulp

Monitoring bearing wear conditions in high-temperature and high-humidity environments.

Cement Industry

Measuring excessive shaft vibration caused by dust accumulation or wear on the impellers.

Nuclear Power

Ensuring highest reliability monitoring for core power components of the cooling system.

When using the 21504-0000-012-05-02 proximity probe, the priority is to precisely calibrate the mounting gap via the Proximitor’s output voltage to ensure it remains within the 80-mil linear range. During installation, strictly adhere to minimum target size and side clearance requirements to prevent cross-talk or sensitivity distortion, while protecting coaxial connectors from oil contamination and excessive cable bending. Due to its electromagnetic nature, ensure the shaft material matches the probe's calibration (typically 4140 steel), and regularly inspect cable insulation to prevent signal interference or nuisance trips caused by environmental wear.

FAQ View All FAQ

What is 21504-000-012-05-02 ?

21504-000-012-05-02 is a Proximity Transformer
Which system does 21504-0000-012-05-02 belong to?

It belongs to the 7200 Transducer Series but is fully compatible with 3300 and 3500 monitoring racks.
How to install the 21504-0000-012-05-02?

Thread it into the tapped hole on the machine bearing housing and set the correct gap based on the Proximitor’s voltage output.

What connector does 21504-0000-012-05-02 support?

The "02" at the end indicates it is equipped with a miniature male coaxial connector.
Is the 21504-0000-012-05-02 still in production?

The 7200 series is in its late life cycle and is typically replaced by the 3300 XL 8mm series.

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