Velomitor piezo velocity sensors measure absolute bearing housing, casing, or structural vibration relative to free space. Mar 02, 2012 velomitor piezo velocity sensor bently nevada asset condition specifications and ordering information part number 14163201 rev. Unlike movingcoil velocity transducers, such as the ge bently nevada seismoprobe family of velocity transducers, velomitor piezo velocity. A few sensor types used for vibration measurements 6 the velocity probe reference. The 330500 is a specialized piezoelectric accelerometer that incorporates embedded integrated electronics in a solidstate design. Ge bently nevada 3305000300 velomitor piezovelocity sensor easy clickquotebuy today. Velomitor piezovelocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. By contrast, a normal vibration probe such as bentlynevada proximitor probes generate a signal proportional to distance gap between the probe tip and the rotating machines shaft. Can add on certificate of origin coo mounting thread adapter option. A 0407 page 1 of 11 330505 low frequency velocity sensor description the bently nevada low frequency velocity sensor is designed to measure absolute relative to free space bearing housing, casing, or structural vibration.
It is also rated for cenelec zone 1, group iic hazardous area applications. The standard 330500 velomitor piezovelocity sensor has a limited temperature range it can be exposed to, due to its signal conditioning electronics being located in the same case as the sensing element. Bentlynevadas velomitor is actually an accelerometer with a builtin integrator circuit to generate a voltage signal proportional to velocity v dxdt. The ge bently nevada 330500 series velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. In order to read low frequency signal we need to decrease the cutoff frequency. Unlike movingcoil 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 solid state design. Accepts from 1 to 4 velocity or acceleration transducer signals.
Velocity transducer housing cenelec approved 107770aabb this version is a combination of the 330500 velomitor sensor and a 21128 housing preinstalled at the factory. Description velomitor piezovelocity sensors are designed to measure absolute relative to free space bearing housing, casing, or structural vibration. In many cases the accelerometer is the most critical link in the measurement chain. Unlike movingcoil velocity transducers, such as bently nevada s seismoprobe family of velocity transducers, velomitor piezo. Sensor getaran atau vibration sensor coretan tanganku. Sensor compatibility 330500 velomitor piezovelocity sensor 330525 velomitor xa piezovelocity sensor 190501 velomitor ct velocity transducer 330400 accelerometer acceleration transducer 330425 accelerometer. Velomitor piezovelocity sensor bently nevada asset condition monitoring velomitor piezovelocity sensors measure absolute relative to free space. Bently nevada velomitor piezo velocity sensors are designed to measure absolute relative to free space bearing housing, casing, or structural vibration.
The twowire current loop operating principle permits very long interconnecting cables to be used where neccessary and at minimum expense since standard screened pair or multipair cables may be used. The velomitor ct velocity transducer is a lowfrequency version of velomitor piezovelocity sensor. Ge bently nevada 330500 series velocimitor piezovelocity. Piezo sensor coupled with a load resistor acts like a high pass filter. Ges bently nevada offers a very wide variety of seismic sensors and accelerometer systems, each designed to handle the rigors of industrial environments and many capable of being installed in hazardous areas when appropriate barriers are used. Ge bently nevada 3305000300 velomitor piezovelocity.
Operation the active element of the accelerometer is a piezoelectric material. Velomitor piezovelocity sensors measure absolute relative to free space bearing. Sensor yang digunakan adalah sensor seismic transduser, yaitu sensor yang digunakan untuk mengukur kecepatan dan percepatan. Bently nevada seismic sensor systems nvms solutions. E 0608 page 1 of 8 bently nevada asset condition monitoring velomitor piezo velocity. Bentley velomitor electrical connector electrical engineering. Untuk mengukur kecepatan menggunakan velocity probe dan velomitor probe, sedangkan untuk mengukur percepatan menggunakan sensor acceleration probe. Similar to sa6200a, but with an internal integration circuit that provides an output directly proportional to velocity instead of acceleration. Specifications and ordering information piezovelocity sensor velomitor. Specifications and ordering information part number 16987201 rev. Radiation resistant velomitor piezo velocity sensor.
The velomitor xa extended application sensor is a ruggedized version of bently nevadas 330500 velomitor sensor. Bently nevada velomitor piezovelocity sensors are designed to measure absolute relative to free space bearing housing, casing, or structural vibration. The velomitor ct velocity transducer is a lowfrequency version of our standard velomitor piezovelocity sensor. Based on the portable or permanent needs of your condition monitoring routine, piezo velocity sensors offer a choice of hermetic connector, integrally molded polyurethane cable or integrally attached armor protected cabling. Piezo velocity sensors are available with a dual output for both vibration and temperature monitoring. Unlike our seismopr obe sensor and other moving coil velocity transducers, velomitor piezo velocity sensors are specialized solid state piezoelectric accelerometers with embedded integration electronics. The velomitor xa sensor cable assembly is suitable for use in moist environments, and the velomitor xa sensor. A piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in pressure, acceleration, temperature, strain, or force by converting.
To obtain precise vibration signals some basic knowledge about piezoelectric accelerometers is required. Velomitor piezo velocity sensor bently nevada asset condition monitoring velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Piezoelectric sensor design university of minnesota. Velomitor incorporate embedded integrated electronics in a solidstate design do not suffer from mechanical degradation and wear simple type. Description velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Accelerometers and piezo velocity sensors all ctc accelerometers feature a welded stainless steel construction for survival in harsh factory environments. Specifications and ordering information velomitor piezovelocity sensor bently nevada made in u. Unlike movingcoil velocity transducers, such as the bently nevada seismoprobe family of velocity transducers, velomitor piezo velocity sensors. Voltage divider for adding offset voltage we can only transmit positive voltage signal so we need to add an offset voltage to the circuit. Velomito pn mvins 4 mvmms description velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration.
Its 316l stainless steel case and unique, weatherproof connector and cable assembly permit mounting without a housing. It primarily is used for modulating fan control in primary plants to set the basic volume flow. Product tested velomitor ct piezo velocity transducer certificate holder bently nevada corp. Experienced expert engineers that specialize in your application. Because the 330500 incorporates solidstate electronics and. Specifications and ordering information part number 14163201 rev. Velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Ge bently nevada 3305000300 velomitor piezovelocity sensor. Its design specifically measures casing vibration velocity on cooling tower and aircooled heatexchanger fan. Appropriate for most generalpurpose machinery monitoring applications. Some velocity transducers are made with principle of operation is the saaccelerometer with a builtin electaccounts superior to the classic seismic velocity probeme. Unlike movingcoil velocity transducers, such as the bently nevada seismoprobe family of velocity. The velomitor ct velocity transducer is a lowfrequency version of our standard velomitor piezo velocity sensor.
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