– 21504: Base 7200/3300 XL proximity probe series.

– 00: No unthreaded section.

– 16: ~160 mm overall case length.

– 05: ~0.5 m (20″) integrated cable.

– 02: Miniature coaxial connector interface.

Sensing Range: 0.25–2.0 mm (10–80 mils)

Frequency Response: Sensing up to ~10 kHz

Operating Temperature:‑40 °C to +100 °C

The Bently Nevada 21504‑00‑16‑05‑02 is a high‑precision industrial proximity (eddy‑current) probe from the Bently Nevada 7200/3300 XL Proximity Transducer System. It is designed for non‑contact measurement of shaft vibration, position, and displacement in rotating machinery such as turbines, compressors, pumps, and generators. The probe’s sensing tip detects the distance to a conductive surface and generates a signal that, when paired with a compatible proximitor or monitor, enables accurate dynamic and static monitoring for condition‑based maintenance and machine protection systems. Its rugged stainless‑steel housing, integrated coaxial connector, and industrial‑temperature design make it suitable for harsh industrial environments.

Frequently asked questions：

Q1: How does the 21504‑00‑16‑05‑02 probe work?

A: It uses eddy‑current sensing, producing a voltage proportional to the distance between the probe tip and a metallic target.

Q2: What range can it measure?

A: Typically a linear range of about 0.25–2.0 mm (10–80 mils) relative to the monitored surface.

Q3: What environments can this probe operate in?

A: It is designed for industrial conditions, with stainless steel construction and environmental ratings (e.g., IP67) for robustness.

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