21504-08-20-10-02 Bently Nevada 7200 Proximity Standard Mount Probe

Description

Bently Nevada 21504-08-20-10-02 Proximity Vibration Sensor – New Factory Packed

What It Does

This sensor checks machine vibration in factories. It’s new, original, and comes in factory packaging. Good for turbines, pumps, and motors. 12-month factory warranty.

Part Number Breakdown

• Full Part Number: 21504-08-20-10-02
• Base Model: 21504 (7200 Proximity Transducer Systems)
  
• Unthreaded Length: 08 = 80 mm
  
• Case Length: 20 = 2.0 inches
  
• Total Length: 10 = 1.0 meter (+0.25m/-0.10m allowed)
  
• Connector: 02 = Small male coaxial

Key Features

• Measure Range: 80 mils (2.0 mm), starts ~10 mils (0.25 mm) from probe
  
• Output: 200 mV/mil (7.87 V/mm), ±4% accurate (when calibrated)
  
• Frequency: 0-10 kHz (0-600,000 cpm), -5% at 10 kHz
  
• Temp Limits: Proximitor (-60°F to +212°F); Probe/Cable (-30°F to +350°F)
  
• Power: -17.5Vdc to -26Vdc, max 12mA

How to Install

Easy setup. Probe has 3/8-24 threads (no armor). Keep 10 mils min gap from target. Use the small male coaxial connector.

Where to Use

Power plants (turbines), factories (motors/pumps), oil/gas (compressors).

Care & Life

Clean probe often. Check cables. Lasts 5+ years if cared for. Avoid unknown chemicals.

Safety Tips

Don’t use beyond temp limits.
Avoid strong acids (except 10% sulfuric).
Use correct power to prevent damage.

Common Questions

Q: Need pro calibration?
A: Yes, for best accuracy (±4%). System calibration included.

Q: Works in wet areas?
A: Yes—handles 95% humidity (no water drops).