Bently Nevada 21504-12-28-10-02 Proximity Vibration Probe – Premium Performance for Industrial Monitoring

Description

The Bently Nevada 21504-12-28-10-02 is a high-precision 8mm proximity vibration probe designed for critical machinery monitoring. New & original with factory packaging, it ensures reliable gap measurement in turbines, compressors, and rotating equipment. Features 120mm unthreaded length, 1.0m cable, and miniature male coaxial connector for easy integration.

Technical Data

• Brand: Bently Nevada (GE Subsidiary)
• Model: 7200 Series – 21504-12-28-10-02
• Suffix Breakdown: 12=120mm Unthreaded, 28=2.8" Case, 10=1.0m Cable, 02=Coaxial Connector
• Range: 80 mils (2.0 mm) | Accuracy: ±4% (system-calibrated)
• Output: 200 mV/mil (7.87 V/mm) | Frequency: 0-10 kHz
• Temperature: Probe: -34°C to +177°C | Electronics: -51°C to +100°C
• Power: -17.5V to -26V DC | Weight: 0.59 kg

Why Choose This Probe?

• Corrosion-resistant – Works in oil, water, and mild acids.
• Factory warranty – 12 months coverage.
• Fast shipping – Available via FedEx, UPS, DHL.

Installation Guide

1. Mount probe at 3/8-24 threads with recommended gap (10 mils minimum).
2. Connect coaxial cable to compatible Bently Nevada monitors like 3300/3500 systems.
3. Calibrate using 200 mV/mil scale factor for optimal accuracy.

Compatible Systems

Works with Bently Nevada 7200, 3300, 3500 series. Compare with similar models:

• 21504-20-32-10-02 (Longer 2.0m cable)
• 21505-12-40-10-02 (Different case length)
• 21504-08-32-10-02 (Shorter unthreaded section)

Industrial Solutions

Ideal for:

• Preventing bearing failures – Detects shaft vibration early.
• Gas turbine monitoring – Withstands high temperatures.
• API 670 compliance – Meets machinery protection standards.

FAQ

Q: Is calibration required?
A: Yes, for ±4% accuracy. Interchangeability tolerance is ±9.5%.

Q: Cable length options?
A: Standard 1.0m (39"). Custom lengths available.

Q: Warranty details?
A: 12 months from shipment date.