330500-03-04 Bently Nevada Velomitor

330500-03-04 Velomitor Piezo-velocity Sensor | Bently Nevada

330500-03-04 Velomitor Piezo-velocity Sensor | Bently Nevada

Availability: 10 left in stock

The Bently Nevada 330500-03-04, also cataloged as the 330500-03-04 Velomitor sensor, operates as a dedicated hardware component for sensing seismic...

SKU: 330500-03-04

Manufacturer: Bently Nevada
Product No.: 330500-03-04
Product Type: Piezo-velocity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330500-03-04, also cataloged as the 330500-03-04 Velomitor sensor, operates as a dedicated hardware component for sensing seismic vibration velocity within machinery protection platforms.

Hardware Specifications

Parameter	Specification
Model	330500-03-04
Brand	Bently Nevada
Weight	2.20 lbs
Dimensions	Standard 330500 series housing
Operating Temp	Standard industrial range
Power Consumption	Loop-powered via vibration monitor
Mounting Thread	1/4-28 UNF

Mechanical Monitoring and TSI Characteristics

The 330500-03-04 utilizes a piezoelectric element to generate an electrical signal proportional to casing vibration velocity. Unlike eddy-current displacement sensors that require gap voltage validation (-10 VDC targets) to determine shaft position, this sensor provides a continuous output for seismic monitoring. To ensure data accuracy, proper cross-talk suppression must be maintained by routing interface cabling away from high-power AC lines or variable frequency drive conductors to prevent electromagnetic noise induction. Rotor dynamics analysis is contingent upon the rigidity of the mounting interface; ensure the transducer is seated firmly against a flat, clean surface to prevent high-frequency attenuation.

Frequently Asked Questions

Q: Does the 1/4-28 UNF mounting thread require a specific installation procedure?

A: Yes. The mounting stud must be tightened to ensure a rigid, metal-to-metal connection with the machine casing. A secure installation is mandatory to prevent resonance errors and degradation of the high-frequency response.

Q: Is this sensor suitable for hazardous area installations?

A: The -04 suffix indicates compliance with CSA and ATEX agency approvals. Ensure all installation practices, including the use of intrinsic safety barriers, align with the specific regulatory documentation for the target hazardous location.

Field Installation Guidelines

Machine the mounting surface to a flat, smooth finish to optimize vibration energy transfer.
Apply a thin layer of light machine oil or silicone coupling grease to the transducer base to eliminate air gaps at the interface.
Thread the sensor into the prepared 1/4-28 UNF mounting hole and tighten until the base is fully seated.
Secure the coaxial cable at close intervals to minimize mechanical strain and vibration-induced "cable whip."
Perform a system loop check and verify the bias voltage level at the monitor input terminals before machine startup.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.