330500-03-04 Velomitor Piezo-velocity Sensor

Overview

Place of Origin:	USA
Brand Name:	Bently Nevada
Model Number:	330500-03-04
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 330500-03-04 Velomitor Piezo-velocity Sensor is a robust vibration measurement device engineered for industrial automation and machinery condition monitoring systems. Designed to measure absolute vibration velocity of bearing housings, machine casings, and structural components, this Velomitor sensor converts mechanical vibration directly into a calibrated velocity output, simplifying signal processing in automated monitoring architectures. The 330500-03-04 model, featuring a 1/4-28 UNF mounting thread adaptor and a 316L stainless steel hermetically sealed case, is optimized for long-term deployment in harsh industrial environments where reliability and signal stability are critical.

Utilizing a solid-state piezoelectric design with integrated electronics, the 330500 Velomitor sensor contains no moving parts, eliminating mechanical wear and ensuring consistent performance over time. It delivers excellent amplitude accuracy with ±2% linearity up to 152 mm/s (6 in/s) peak, while maintaining a dynamic output impedance below 2400 Ω for stable signal transmission to PLC, DCS, or machinery protection systems. With an extended operating temperature range from -55°C to 121°C, 5,000 g shock survivability, and immunity to magnetic fields below 51 min/s/gauss, the 330500-03-04 is well suited for demanding automation applications across power generation, oil and gas, and heavy manufacturing. Multiple CSA and ATEX approvals further enable safe use in hazardous-area automation installations.

Applications

Application 1: Bearing Housing Vibration Monitoring

In rotating machinery automation systems, the 330500-03-04 Velomitor sensor measures absolute bearing housing vibration velocity with ±2% amplitude linearity, enabling early detection of imbalance, misalignment, and looseness before vibration levels exceed alarm thresholds.

Application 2: Industrial Motor and Pump Condition Monitoring

Mounted on motor and pump casings, this piezo-velocity sensor operates reliably across -55°C to 121°C, supporting continuous vibration monitoring in outdoor and high-temperature process areas connected to centralized automation platforms.

Application 3: Gas and Steam Turbine Structural Vibration Measurement

For turbine casings and support structures, the 5,000 g shock survivability and hermetically sealed design ensure accurate velocity measurements during startup, shutdown, and transient load events without sensor degradation.

Application 4: Hazardous Area Automation Systems

With CSA and ATEX approvals, the 330500-03-04 Velomitor sensor is suitable for vibration monitoring in classified areas such as refineries and chemical plants, providing compliant vibration data to safety-instrumented automation systems.

Application 5: Retrofit and Distributed Monitoring Projects

The 1/4-28 UNF mounting interface and wide orientation flexibility allow easy retrofitting on existing machinery, enabling cost-effective upgrades of legacy automation systems without extensive mechanical modifications.

Specifications

Competitive Advantage

Competitive Advantage 1: Direct Velocity Output for Simplified Automation

By measuring vibration velocity directly, the 330500-03-04 reduces the need for external signal integration, lowering automation system complexity and improving data consistency in condition monitoring applications.

Competitive Advantage 2: Exceptional Mechanical Robustness

With 5,000 g peak shock resistance and a 316L stainless steel hermetic enclosure, this Velomitor sensor delivers long service life in high-vibration and high-impact industrial environments.

Competitive Advantage 3: Wide Environmental Operating Range

The -55°C to 121°C temperature capability and 100% non-submerged humidity tolerance enable reliable operation in diverse automation installations, from cold outdoor sites to hot process units.

Competitive Advantage 4: High Measurement Accuracy and Stability

Amplitude linearity of ±2% up to 152 mm/s combined with low base strain sensitivity ensures precise and repeatable vibration velocity measurements for automated diagnostics and trend analysis.

Competitive Advantage 5: Proven Safety and EMI Immunity

Multiple international approvals and low magnetic field susceptibility enhance system reliability in electrically noisy automation environments, reducing false alarms and improving overall machinery protection performance.