21504-30-60-05-02 – Bently Nevada Standard Probe

Bently Nevada 21504-30-60-05-02 Proximity Vibration Probe – Reliable Industrial Sensor

What You Get

A brand-new, factory-sealed proximity probe from Bently Nevada. Perfect for checking machine vibration in tough industrial settings—built to last and give accurate data.

Model Numbers Decoded

The full model 21504-30-60-05-02 breaks down like this:

30: Unthreaded length – 3.0 inches
60: Case length – 6.0 inches
05: Total length – 0.5 meters (can vary: +0.13m/-0.05m)
02: Connector – Small male coaxial

Key Features

Brand: Bently Nevada (trusted industrial sensors)
Power: Needs -17.5Vdc to -26Vdc (max 12mA)
Range: Measures up to 80 mils (2.0mm), starting 10 mils (0.25mm) from the tip
Accuracy: 200mV/mil (7.87V/mm), with ±4% error when calibrated
Frequency: Works from 0-10kHz (0-600,000cpm)
Temp Limits: Proximitor (-51°C to +100°C); Probe/Cable (-34°C to +177°C)
Weight: 1.3 lbs (0.59kg)

Install Easily

Comes with 3/8-24 threads for quick setup. No lead armor makes it simple to install. Keep a 10-90 mil gap for best results.

Works With

Resists common industrial liquids: air, water, lube oil, ammonium hydroxide, 10% sulfuric acid, MEK, DMF. Handles wet air (up to 95% humidity, no condensation).

Inside the Box

Factory-sealed package includes the probe, extension cable, and small male coaxial connector.
Download PDF file here:7200 Proximity Transducer Systems