330500-04-01 Velomitor Piezo-velocity Sensor

Overview

Place of Origin:	USA
Brand Name:	Bently Nevada
Model Number:	330500-04-01
Minimum Order Quantity:	1
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Quick Detail

Description

The 330500-04-01 Velomitor Piezo-velocity Sensor is a state-of-the-art, industrially hardened vibration transducer engineered by Bently Nevada for reliable, long-term monitoring of casing vibration on a vast array of rotating machinery. This specific model, distinguished by its 1/4 - 20 UNC mounting thread adapter and robust CSA/US/C agency approval, delivers a pure solid-state measurement solution that directly outputs an absolute velocity signal. Unlike conventional moving-coil velocity sensors that are susceptible to wear and mechanical failure, this Velomitor sensor leverages advanced piezoelectric technology with zero moving parts, ensuring exceptional operational longevity and stability even in the most demanding, high-vibration industrial environments.

A core technological advantage of the 330500-04-01 lies in its internally integrated micro-electronics. Within its compact, 40 mm overall case length, the sensor performs on-board signal conditioning, converting the raw piezoelectric acceleration signal into a standardized velocity output of 3.50 mV/mm/s (105 mV/in/s) ±5%. This internal processing yields a robust, low-impedance voltage signal with a dynamic output impedance of less than 2300 Ω. This characteristic is crucial as it renders the signal highly resistant to degradation, electromagnetic interference (EMI), and cable capacitance effects, guaranteeing data integrity over the included 5.0-meter standard industrial cable. The cable is terminated with a secure miniature coaxial ClickLoc connector with protector, ready for immediate connection to monitoring systems.

Applications

The 330500-04-01 Velomitor Piezo-velocity Sensor is ideally suited for general-purpose casing vibration monitoring across a broad spectrum of industrial machinery, including motors, fans, blowers, and pumps. Its standardized velocity output of 3.50 mV/mm/s provides a direct and meaningful measurement of overall machine health, aligning perfectly with ISO 10816 vibration severity standards. The ease of installation via its 1/4 - 20 UNC thread allows for rapid deployment on bearing housings without requiring internal machine access, enabling efficient setup for plant-wide condition monitoring initiatives and early fault detection.

This sensor excels in monitoring Balance-of-Plant (BoP) and auxiliary equipment where reliability is key but internal shaft access is not feasible. Its completely solid-state, piezoelectric design with no moving coils ensures it is immune to the high-frequency vibration and mechanical shock that often plague traditional sensors on equipment like compressors, gearboxes, and conveyors. The robust 316L stainless steel case and ability to withstand temperatures up to +120°C make it durable enough for harsh environments in power generation, water treatment, and manufacturing plants.

Specifications

Competitive Advantage

1. Solid-State Reliability and Extended Lifespan with Zero Moving Parts

In stark contrast to traditional velocity sensors that rely on fragile coil-spring mechanisms, the 330500-04-01 Velomitor Sensor employs a fully solid-state piezoelectric design, fundamentally eliminating the risks of mechanical wear, sticking, or sensitivity drift. This inherent architecture grants it unparalleled reliability and an exceptionally long service life in persistently high-vibration environments, significantly reducing the sensor's own failure rate and maintenance replacement costs, thereby providing a stable foundation for long-term condition monitoring.

2. Internal Integration and Superior Anti-Interference Signal Output

A core competitive strength of this sensor is its built-in signal conditioning circuitry. It performs the integration from acceleration to a standardized velocity signal directly within the rugged sensor housing, outputting a low-impedance voltage (<2300 Ω). Compared to high-impedance acceleration signals that require external conditioning, this output format offers exceptional immunity to electromagnetic interference (EMI) and signal degradation over long cable runs. This ensures its 3.50 mV/mm/s sensitivity remains highly accurate even in complex industrial electrical settings, delivering trustworthy data to the user.

3. Wide Temperature Tolerance and Rugged Industrial Construction

Built for harsh industrial duty, this sensor features a 316L stainless steel housing for superior corrosion resistance. Its broad operating temperature range from -45°C to +120°C enables reliable performance in diverse extremes, from freezing outdoor sites to high-heat areas adjacent to machinery. Combined with the standard 1/4 - 20 UNC mounting thread and CSA/US/C certification, it offers a ready-to-install, rugged, and code-compliant universal solution. This greatly simplifies the selection, procurement, and installation process across various plant environments.