21504-00-40-50-02 – Bently Nevada Probe Proximity Vibration

Bently Nevada 21504-00-40-50-02 Proximity Vibration System

What It Does

A brand-new, factory-sealed vibration system from Bently Nevada. Designed to check machine vibrations accurately in industrial settings like turbines and pumps.

Model Suffix Breakdown

21504-00-40-50-02

00: Unthreaded length – 0mm (no extra unthreaded part)
40: Case length – 4.0 inches
50: Total length – 0.5m (20 inches) (can be +0.13m/-0.05m)
02: Connector – Small male coaxial

Key Tech Specs

Main Measurements

Range: 80 mils (2mm), starts ~10 mils (0.25mm) from probe tip
Scale: 200mV/mil (7.87V/mm), ±4% (when set up as a system)
Linearity: Within 0.8 mils (0.02mm) (system set up), 2.3 mils (0.06mm) with swaps

Power & Signal

Power needed: -17.5Vdc to -26Vdc (max 12mA)
Output: Steady analog signal for clear vibration data

Work Conditions

Proximitor temp: -60°F to +212°F (-51°C to +100°C)
Probe & cable temp: -30°F to +350°F (-34°C to +177°C)
Humidity: Up to 95% (no water drops)
Resists: Air, water, oil, 10% sulfuric acid, MEK, DMF (8mm probe only)

Physical Details

Probe size: 8mm diameter
Threads: 3/8-24 (standard case)
Weight: 1.3 lbs (0.59kg)

Install & Fit

Easy to install with 3/8-24 threads and small coaxial connector.
Fits Bently Nevada 3500/42M modules and 7200 monitors.

What’s in the Box

Factory-sealed package has: Probe, extension cable, and connector (as per model).
Download PDF file here:7200 Proximity Transducer Systems