BENTLY Bentley sensor 330103-00-06-05-02-00

BENTLY Bentley sensor 330103-00-06-05-02-00

BENTLY Bentley sensor 330103-00-06-05-02-00In the core area of large centrifugal compressors, every micro scale vibration of the rotor affects the nerves of the entire production line. As the "gold standard" in the field of industrial monitoring,BENTLY Bentley sensor 330103-00-06-05-02-00With its 8mm eddy current technology, it has become the "golden eye" guarding the safe operation of these high-speed rotating equipment. It can not only accurately capture the early fault characteristics of rotor imbalance and misalignment, but also provide sub micron level accurate data for the shaft vibration and axial displacement of the compressor under harsh working conditions such as high temperature, high pressure, and strong electromagnetic interference, transforming invisible mechanical hazards into visualized safety defenses.

The "330103" in the 330103-00-06-05-02-00 model represents the core identity of the Bentley 3300 XL 8mm probe system. This probe uses high-frequency current to generate an alternating magnetic field in the probe coil. When it approaches the metal shaft surface, eddy currents are induced on the shaft surface. This physical effect causes a change in the impedance of the probe coil, and this change is strictly linearly related to the distance from the probe to the axis surface. Its sensitivity is usually set at 7.87V/mm (200mV/mil), and its resolution can reach sub micron level. For compressors, this means that even tiny oil film oscillations or vibration characteristics in the early stages of surge can be accurately captured and converted into voltage signals by the system, which are transmitted to the 3500 monitoring framework or DCS system.

In the practical application of compressors, this type of sensor usually undertakes a dual mission. Firstly, radial vibration monitoring is usually installed in pairs near the bearing seat in the X/Y direction (at a 90 ° angle to each other) to reconstruct the axis trajectory and determine the dynamic balance state of the rotor. Next is axial displacement monitoring, which is a key protection against rotor movement caused by wear of thrust bearings and friction between moving and stationary components. During installation, it is necessary to accurately adjust the probe gap to the midpoint of the linear range (corresponding to the output voltage of the preamplifier of about -10V DC) to ensure that the monitoring data is always in the linear range when the rotor undergoes bidirectional displacement, avoiding clipping distortion.

The suffix "00-06-05-02-00" of the model reveals its specific physical configuration, where "05" usually represents a standard electrical length of 5 meters, suitable for the installation distance of most compressors. The probe adopts a fully welded stainless steel shell and PPS material, with IP67 protection, and can work stably for a long time in temperature and oil pollution environments ranging from -51 ℃ to+177 ℃. For petrochemical and energy companies pursuing zero unplanned equipment shutdowns, the BENTLY 330103 series sensors are not only a standard configuration in spare parts inventory, but also a solid foundation for achieving predictive maintenance and extending unit life.

BENTLY Bentley sensor 330103-00-06-05-02-00Shanghai Taoran spot sales

Bently Nevada (BN) is a brand under General Electric (GE) and a global leader in the field of rotating machinery condition monitoring. Its sensor product line is very large, mainly focusing on three core technologies: eddy current displacement sensors, velocity sensors, and acceleration sensors.

To help you select more accurately, I have classified the mainstream models of Bentley sensors in detail according to their functional series:

1. 3300 XL series eddy current sensor (core focus)

This is Bentley's classic series, mainly used for measuring shaft vibration, shaft displacement, rotational speed (key phase), and differential expansion. It converts the probe signal into a standard voltage signal through a preamplifier.

8mm probe system (universal type)

Probe models: 330101, 330103, 330104, 330105, 330106, etc.

Features: The linear range is usually 2mm or 4mm, suitable for measuring shaft vibration and displacement of most steam turbines and compressors.

Example: 330104-00-09-05-02-00.

25mm probe system (large stroke)

Probe models: 330703, 330704, 330708, 330709, etc.

Features: Large linear range (up to 25mm or even 50mm), specifically designed for measuring differential expansion or large displacement applications.

Example: 330708-20-50-10-02-00.

Proximitors

Model: 330180, 330780, 330850, etc.

Function: Signal conditioning, usually installed on DIN rails or panels.

Extension cable

Model: 330130, 330730, 330930, etc. (used to connect probes and preamplifiers).

2. Velomitor series speed sensor

Mainly used for measuring shell vibration (tile vibration). Bentley's Velomitor uses piezoelectric crystal technology and has no moving parts, making it more durable than traditional mechanical speed sensors and supporting installation at any angle.

330500 series

Features: A standard speed sensor used to measure the vibration of bearing housings or structures.

Example: 330500-02-00.

330525 series

Features: Durable and sturdy, with stainless steel casing and integrated cable, high protection level (IP65), suitable for harsh environments.

Example: 330525-00, 330525-01.

330505 series

Features: Compact design, suitable for installation positions with limited space.

3. Acceleration sensor

Mainly used for high-frequency vibration measurement, especially suitable for monitoring rolling bearing faults and gear meshing problems.

330400 series

Features: Universal accelerometer, typically with a sensitivity of 100mV/g, used for monitoring shell vibration in critical machinery.

Example: 330400-02-00.

330425 series

Features: Similar to 330400, but typically with different certification or installation thread options (such as M8 thread).

Example: 330425-00.

4. 9200 series speed sensor

This is a two-wire speed sensor commonly used for continuous monitoring or portable fault diagnosis.

Features: Corrosion resistance, no need for additional protection, widely used in auxiliary equipment such as fans, pumps, motors, etc.

Common models:

9200-06-05-10-00

9200-01-01-10-00

9200-06-02-10-00

5. Special applications and composite sensors

26530 composite probe

Function: An eddy current probe (measuring relative shaft vibration) and a Velomitor velocity sensor (measuring housing vibration) are integrated into a probe housing for calculating absolute shaft vibration.

Example: 26530-12-10-00-000-074-21-00-00.

3300 REBAM System

Function: Specially used for measuring small deformations of the outer ring of rolling bearings, with sensitivity.

Model: 3300 REBAM.

990 series vibration transmitter

Used to convert sensor signals into standard 4-20mA signals and directly connect them to PLC or DCS systems.

Features: Accept 3300 NSv probe input and output a current signal proportional to the peak to peak vibration value.

Common models: 990-05-70-02-00, 990-10-50-01-00.

Key selection tips

Bentley models typically consist of a long string of numbers and hyphens (such as 330104-00-09-05-02-00), with each code representing a specific configuration:

Probe diameter: 5mm, 8mm, 11mm, 25mm, etc.

Cable length: usually measured in meters or feet (e.g. 05 represents 5 meters, 10 represents 10 meters).

Connector types: ClickLoc, FluidLoc (oil leak proof), etc.

Certification: Whether it is explosion-proof (ATEX, CSA, etc.).

Suggestion: When purchasing or replacing, please be sure to provide the complete part number, as even within the same series, differences in cable length or connector type can result in installation failure.

BENTLY Bentley sensor 330103-00-06-05-02-00

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