Heavy-Duty Enveloping Accelerometer for Industrial Applications

The Bently Nevada 200157-03-05 provides advanced fault detection capabilities. This 200157-03-05 model features robust UNF thread mounting for secure installations. Specifically designed for roller bearing monitoring and cavitation detection. Carries multiple international safety certifications for global use. American manufacturing ensures reliable performance in demanding conditions.

Product Identification & Configuration

• Manufacturer: Bently Nevada
• Complete Model: 200157-03-05
• Product Series: Trendmaster Pro Enveloping
• Mounting Option -03: 1/2-20 UNF adapter stud
• Safety Approval -05: CSA, ATEX, IECEx Certified
• Hex Plate Size: 1-3/8 inch large format
• Production Origin: Made in USA

Technical Performance Specifications

• Voltage Sensitivity: 10.2 mV/(m/s²) at 80 Hz
• Acceleration Range: ±245 m/s² (±25 g)
• Frequency Response: 10 Hz to 10,000 Hz
• Velocity Measurement: 14.7 mm/s RMS
• Amplitude Linearity: ±2% maximum error
• Transverse Sensitivity: ≤7% cross-axis effect
• Response Time: ≤300 milliseconds settling
• Resonant Frequency: >20 kHz mounted

Electrical Operating Parameters

• Power Supply: 4.7 to 5.5 VDC required
• Current Consumption: <800 μA typical
• Output Bias: +2.5 VDC ±0.23 V
• Signal Output: Analog voltage type
• Polarity Standard: Positive acceleration signal

Mechanical Construction Features

• Housing Material: 316L stainless steel
• Physical Dimensions: 17.5mm × 45.7mm compact
• Unit Weight: 58 grams lightweight
• Base Thread: 3/8-24 female standard
• Mounting Torque: 2.7 to 6.8 N•m range
• Sensing Technology: Ceramic shear design
• Stud Configuration: 1/2-20 UNF adapter

Environmental Durability Ratings

• Operating Temperature: -40°C to +105°C
• Storage Temperature: -55°C to +121°C
• Shock Resistance: 49,050 m/s² peak
• Sealing Performance: Hermetic 5×10⁻⁸ atm•cc/s
• Humidity Tolerance: 100% condensing approved

Global Shipping Options

• FedEx Express worldwide service
• UPS Air and Ground delivery
• DHL International shipping
• Complete tracking provided
• Professional packaging standard

Warranty Protection

• 12-month comprehensive coverage
• Full defect protection included
• Effective from purchase date
• Quality commitment guarantee

Package Contents

• 200157-03-05 Accelerometer unit
• 1/2-20 UNF mounting stud
• Technical documentation
• Optional Certificate of Origin

Technical Support Questions

What applications benefit from 1/2-20 UNF mounting?

Heavy industrial equipment and machinery requiring robust, secure mounting solutions.

How does enveloping technology detect bearing faults?

Amplifies high-frequency bearing defect signals while filtering out lower frequency vibrations.

What is the advantage of faster 300ms settling time?

Provides quicker system response for dynamic monitoring and faster fault detection.

Can this sensor withstand harsh industrial environments?

Yes, 316L stainless steel construction and hermetic sealing ensure durability.

What monitoring systems are compatible?

Works with ProTIM systems using acceleration enveloping channel types for comprehensive monitoring.

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