Bently Nevada 21504-00-20-10-02 Standard Mount Vibration Probe

The Bently Nevada 21504-00-20-10-02 is a reliable 8mm vibration monitoring probe. This standard mount design features 3/8-24 threading and precise measurement capabilities. It delivers accurate data for industrial machinery protection.

Product Configuration Structure

• Complete Part Number: 21504-00-20-10-02
• Product Family: 5mm and 8mm Standard Mount Probes
• Unthreaded Length: 00 - 0 inches specification
• Case Length: 20 - 2.0 inches overall
• Cable Length: 10 - 1.0 meter (+0.25/-0.10 tolerance)
• Connector Type: 02 - Miniature male coaxial
• Thread Type: 3/8-24 UNF standard
• Probe Diameter: 8mm industrial standard
• Armor Option: No lead armor included
• Manufacturing Origin: Made in U.S.A.
• Warranty Coverage: 12 months full protection
• Shipping Methods: FedEx, UPS, DHL worldwide

Electrical Specifications

• Power Supply: -17.5 Vdc to -26 Vdc range
• Current Consumption: 12 mA maximum draw
• Frequency Response: 0 to 10 kHz bandwidth
• Insulation Resistance: ≥50 MΩ at 500V DC
• DC Resistance: 7.59 ± 0.50 Ω typical
• Cable Capacitance: 21.3 pF per foot
• Output Signal: -1 to -17 Vdc proportional
• Scale Factor: 200 mV/mil standard
• Linearity: ±1% over full range
• Resolution: 0.1 mil typical measurement

Mechanical Specifications

• Case Material: AISI 303/304 stainless steel
• Probe Tip: PPS plastic molded construction
• Weight: 0.3 Kg complete unit
• Vibration Resistance: 20g from 5-2000 Hz
• Shock Survival: 50g operational rating
• Sealing Method: Viton O-ring pressure seal
• Cable Pull Strength: 330N minimum rating
• Thread Engagement: 10mm recommended
• Mounting Torque: 15-20 Nm maximum

Environmental Ratings

• Temperature Range: -34°C to +177°C
• Extended Option: -52°C to +218°C available
• Humidity Tolerance: 93% non-condensing
• Pressure Rating: Differential pressure seal
• Environmental Protection: Dust/moisture resistant
• Storage Temperature: -40°C to +85°C
• Thermal Stability: 0.1%/°C coefficient

Key Advantages

• Standard 3/8-24 thread for universal mounting
• 2.0 inch case length for deep installations
• 1.0 meter cable with generous tolerance
• Miniature coaxial connector for easy connection
• 8mm robust design resists physical damage
• Wide temperature range for harsh environments
• High vibration immunity for reliable operation
• Stainless steel construction for corrosion resistance
• Precision measurement with excellent linearity
• Low power consumption for energy efficiency

Installation Procedure

• Mount using 3/8-24 UNF threaded hole
• Apply proper torque to mounting threads
• Set gap to achieve -9 Vdc output voltage
• Connect miniature coaxial connector securely
• Route cable away from high temperature areas
• Verify insulation resistance before operation
• Check for proper grounding of system
• Test output signal across full range

Package Contents

• One 8mm standard mount vibration probe
• Miniature male coaxial connector installed
• 1.0 meter standard probe cable
• Installation and specification documents

Service Information

• 12-month manufacturer warranty period
• Global shipping via FedEx, UPS, DHL carriers
• Technical support available worldwide
• Replacement parts readily available
• Calibration services offered separately

Application Areas

• Industrial pump vibration monitoring
• Electric motor bearing condition
• Compressor vibration analysis
• Fan and blower protection systems
• Machine tool spindle monitoring
• General industrial machinery

Expert Questions & Answers

• What is the typical installation time required?
  Installation typically takes 30-45 minutes. This includes mounting, gap setting, and connection verification.
• How often should calibration be performed?
  Annual calibration is recommended for critical applications. Standard applications may require less frequent calibration.
• Can this probe be used in outdoor environments?
  Yes, the environmental protection allows outdoor use. Additional weatherproofing may be needed for extreme conditions.
• What is the expected service life?
  Typical service life exceeds 5 years with proper installation and normal operating conditions.
• Is special training needed for installation?
  Basic mechanical and electrical skills are sufficient. No specialized training is required for standard installations.

Contact Information Inquiries:sales@ubestplc.com | +86 18030005825

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