Description

The BENTLY 133396-01​is a high-performance vibration transmitter manufactured by Bently Nevada(Baker Hughes),designed for continuous monitoring of rotating equipment in demanding industrial environments.This robust transducer converts mechanical vibration into standardized 4-20mA signals,providing reliable data for condition monitoring and predictive maintenance programs.The BENTLY 133396-01​features industrial-grade construction that withstands harsh operating conditions,making it ideal for critical applications where equipment reliability directly impacts operational safety and productivity.

Application Scenarios

In a large petrochemical refinery in Texas,the BENTLY 133396-01​monitors critical gas compressors operating in high-vibration environments.The transmitter’s 4-20mA output integrates seamlessly with the plant’s distributed control system(DCS),providing real-time vibration data that enables operators to detect developing bearing wear weeks before failure.During a recent compressor surge event,the BENTLY 133396-01​provided clear vibration trending that allowed operators to safely shut down the unit before catastrophic damage occurred,preventing an estimated$2 million in repair costs and production losses.

At a hydroelectric power facility in Canada,multiple BENTLY 133396-01​units monitor turbine-generator bearings in high-humidity conditions.The transmitters’sealed enclosures and corrosion-resistant materials withstand the challenging environment,while their consistent performance provides accurate data for the plant’s reliability-centered maintenance program.The BENTLY 133396-01​units have operated continuously for over five years without requiring calibration,demonstrating exceptional long-term stability in demanding service conditions.

Parameter

Main Parameters

Value/Description

Product Model

BENTLY 133396-01

Manufacturer

Bently Nevada(Baker Hughes)

Product Type

Vibration Transmitter

Measurement Range

0-2 in/s(0-50 mm/s)peak

Frequency Response

4.5 Hz to 1000 Hz(±3dB)

Output Signal

4-20mA two-wire

Power Supply

12-30V DC loop powered

Accuracy

±2%of full scale

Operating Temperature

-40°C to+85°C

Housing Material

316 Stainless Steel

Enclosure Rating

IP67(dust and water resistant)

Mounting

¼-28 UNF threaded stud

Weight

0.5 kg(1.1 lb)

Certifications

ATEX,IECEx,cULus

Technical Principles and Innovative Values

Advanced Sensing Technology:The BENTLY 133396-01​utilizes a precision MEMS accelerometer that provides excellent linearity and temperature stability across the entire operating range.The integrated electronics package conditions the raw vibration signal,applying sophisticated filtering to eliminate high-frequency noise while preserving critical machine information.This signal processing ensures accurate representation of true machine vibration,free from electrical interference or resonance effects.

Robust Industrial Design:Engineered for harsh environments,the BENTLY 133396-01​features a fully welded stainless steel housing that provides complete environmental protection.The transmitter’s internal components are potted with industrial-grade epoxy to withstand shock and vibration,while the integral cable gland maintains IP67 integrity even after repeated installation and removal.This construction ensures reliable operation in conditions where moisture,chemicals,and mechanical stress would compromise conventional sensors.

Intelligent Signal Conditioning:The two-wire 4-20mA output provides inherent fault detection,with output signals below 4mA indicating sensor or wiring faults.The BENTLY 133396-01’s electronics include reverse polarity protection and surge suppression,preventing damage from installation errors or electrical transients.The unit’s wide power supply range(12-30V DC)accommodates various control system interfaces without requiring external signal conditioners.

Application Cases and Industry Value

Case Study:Pipeline Compressor Station Monitoring

A natural gas pipeline operator installed BENTLY 133396-01​transmitters on sixteen centrifugal compressors across five compressor stations.The transmitters provided reliable vibration data that enabled the implementation of a predictive maintenance program,reducing unplanned downtime by 45%in the first year of operation.The BENTLY 133396-01​units withstood extreme temperature variations from-35°C to+45°C while maintaining measurement accuracy,demonstrating exceptional reliability in remote,unmanned locations.

Case Study:Mining Operation Crusher Monitoring

In a large copper mining operation,the BENTLY 133396-01​monitors primary crusher bearings subject to heavy shock loads and abrasive dust.The transmitters’robust construction survived installation in areas where previous vibration sensors failed within months.The continuous monitoring provided by the BENTLY 133396-01​enabled maintenance planners to schedule crusher liner changes during planned maintenance windows,increasing equipment availability by 18%while reducing emergency repair costs by over$500,000 annually.

Related Product Combination Solutions

BENTLY 3300 XL​-Proximitor sensor systems for displacement monitoring

BENTLY 3500​-Machinery protection system for critical equipment

BENTLY System 1​-Software platform for data analysis and diagnostics

BENTLY 1900/65​-Two-wire velocity transmitters for general purpose monitoring

BENTLY 330500​-Accelerometer modules for high-frequency vibration analysis

BENTLY 146031​-Communication gateways for system integration

BENTLY 1701​-Data collectors for portable vibration measurements

Installation,Maintenance,and Full-Cycle Support

Installation and Commissioning:The BENTLY 133396-01​mounts directly to machine bearing housings using the provided stud.Surface preparation is critical-ensure mounting surface is clean,flat,and free of paint or corrosion.Use a torque wrench to tighten the mounting stud to 20-25 N·m(15-18 ft-lb)to ensure proper mechanical coupling.For optimal measurements,orient the transmitter so the sensing axis aligns with the primary vibration direction.During commissioning,verify the 4-20mA output correlates with known vibration levels using a calibration source or portable vibration analyzer.

Maintenance and Support:The BENTLY 133396-01​requires minimal maintenance due to its robust design.Perform annual visual inspections for physical damage or corrosion.Verify signal integrity by comparing against portable vibration measurements during routine machinery surveys.Our technical support team provides comprehensive assistance with installation best practices,troubleshooting,and integration with monitoring systems.We maintain adequate inventory to support emergency requirements,with most orders shipping within 24 hours.

Contact us today to discuss how the BENTLY 133396-01​can enhance your machinery monitoring strategy.Our vibration specialists can provide application engineering support to ensure optimal sensor selection and placement for your specific monitoring requirements.

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