Bently Nevada Trendmaster Pro Enveloping Accelerometer

Discover advanced bearing monitoring with the 200157-23-05 Enveloping Trendmaster Pro accelerometer. This professional-grade sensor excels at detecting roller element bearing faults and cavitation effects. The 200157-23-05 features global safety certifications and specialized enveloping technology for early fault detection in industrial machinery.

Core Performance Specifications

• Sensitivity: 10.2 mV/(m/s²) ±12% at 80 Hz
• Measurement Range: ±245 m/s² (±25 g)
• Frequency Range: 10 to 10,000 Hz
• Resonant Frequency: >20 kHz
• Excitation Voltage: 4.7 to 5.5 Vdc
• Output Bias: +2.5 ± 0.23 Vdc
• Quiescent Current: <800 μA
• Amplitude Linearity: ±2% (1-10g peak)
• Transverse Sensitivity: ≤7%
• Settling Time: ≤300 ms

Environmental Durability

• Temperature Range: -40°C to +105°C
• Storage Temperature: -55°C to +121°C
• Shock Limit: 49,050 m/s² peak (5,000 g)
• Humidity Rating: 100% condensing
• Hermetic Sealing: 5X10⁻⁸ atm•cc/s
• Cure Time: 24 hours

Physical Construction

• Housing Material: 316L Stainless Steel
• Dimensions: 17.5 mm x 45.7 mm
• Weight: 58 grams typical
• Mounting Thread: 3/8-24 female
• Mounting Torque: 2.7 to 6.8 N•m
• Sensing Element: Ceramic shear design
• Stud Option: 3/8-24 to M16x2.0 adapter

Application Specifics

• Primary Use: Roller element bearing monitoring
• Secondary Use: Cavitation effects detection
• Channel Type: Acceleration-to-Velocity with Enveloping
• Compatibility: ProTIM monitoring systems
• Signal Processing: Enveloping technology

Certification & Safety

• Global Approvals: CSA, ATEX, IECEx
• Hazardous Areas: Certified for use
• International Standards: Multiple compliance
• Safety Rating: Industrial grade

Model Configuration Details

• 200157 - Trendmaster Pro Base Model
• 23 - 3/8-24 to M16x2.0 Adapter Stud
• 05 - Multiple Global Certifications

Service & Delivery

• 12-month performance warranty
• FedEx Express worldwide
• UPS Global shipping
• DHL International service
• Quick dispatch available
• Tracking provided

Technical Expertise

What is enveloping technology used for?

Enveloping detects early-stage bearing faults by highlighting impacts in the vibration signal that regular monitoring might miss.

How does the adapter stud benefit installation?

The 3/8-24 to M16x2.0 stud provides mounting flexibility across different equipment and international standards.

What maintenance schedule is recommended?

Annual calibration checks and visual inspections ensure ongoing accuracy in critical monitoring applications.

Can this sensor detect early bearing failures?

Yes, the enveloping function specifically targets early fault detection in roller element bearings before catastrophic failure.

What industries commonly use this accelerometer?

Power generation, manufacturing, and heavy industry rely on this technology for predictive maintenance programs.

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