330500-00-20 Bently NEVADA

Multiple approvals for hazardous areas certified by 

Canadian Standards Association (CSA) in North 

America and by LCIE in Europe.

Description

Velomitor* Piezo-velocity Sensors measure absolute (relative to free space) 

bearing housing, casing, or structural vibration. Unlike moving-coil velocity 

transducers, such as the Bently Nevada Seismoprobe* family of velocity 

transducers, Velomitor Piezo-velocity sensors are specialized piezoelectric 

accelerometers that incorporate embedded integrated electronics in a solidstate design. Because they incorporate solid-state electronics and have no 

moving parts, they do not suffer from mechanical degradation and wear, and 

can be mounted vertically, horizontally, or at any other angle of orientation. 

Application Advisory

If you plan to make housing measurements for overall machine protection, 

consider the usefulness of the measurement for each application. Most 

common machine malfunctions (imbalance, misalignment, etc.) originate at 

the rotor and cause an increase (or at least a change) in rotor vibration. For 

any housing measurement to be effective for overall machine protection, 

the machine must faithfully transmit a significant amount of rotor vibration 

to the bearing housing or machine casing, or more specifically, to the 

mounting location of the transducer. In addition, you should exercise care 

in the physical installation of the transducer. Improper installation can 

degrade the transducer’s performance, and/or generate signals that do not 

represent actual machine vibration. Integration of the output to 

displacement can make this worse. Exercise extreme caution if integrating 

to displacement in any case.

Upon request, we can provide engineering services to determine the 

appropriateness of housing measurements for the machine in question and/or 

to provide installation assistance.

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You are welcome to make an inquiry

E-mail:

free@fenoux.com

Tel.:

+86 133 7698 4225

Skype:

+86 133 7698 4225

WhatsApp:

+86 133 7698 4225