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. Velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Appropriate for most generalpurpose machinery monitoring applications. Specifications and ordering information piezovelocity sensor velomitor. The velomitor ct velocity transducer is a lowfrequency version of velomitor piezovelocity sensor. Experienced expert engineers that specialize in your application. The velomitor ct velocity transducer is a lowfrequency version of our standard velomitor piezovelocity sensor. Piezo velocity sensors are available with a dual output for both vibration and temperature monitoring.
Bently nevada velomitor piezo velocity sensors are designed to measure absolute relative to free space bearing housing, casing, or structural vibration. Specifications and ordering information velomitor piezovelocity sensor bently nevada made in u. Accelerometers and piezo velocity sensors all ctc accelerometers feature a welded stainless steel construction for survival in harsh factory environments. Bentlynevadas velomitor is actually an accelerometer with a builtin integrator circuit to generate a voltage signal proportional to velocity v dxdt.
Unlike movingcoil velocity transducers, such as the bently nevada seismoprobe family of velocity transducers, velomitor piezo velocity sensors. It primarily is used for modulating fan control in primary plants to set the basic volume flow. 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. Unlike movingcoil velocity transducers, such as the ge bently nevada seismoprobe family of velocity transducers, velomitor piezo velocity. 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.
A piezoelectric sensor is a device that uses the piezoelectric effect to measure changes in pressure, acceleration, temperature, strain, or force by converting. Untuk mengukur kecepatan menggunakan velocity probe dan velomitor probe, sedangkan untuk mengukur percepatan menggunakan sensor acceleration probe. Bentley velomitor electrical connector electrical engineering. In many cases the accelerometer is the most critical link in the measurement chain. Similar to sa6200a, but with an internal integration circuit that provides an output directly proportional to velocity instead of acceleration. 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. Can add on certificate of origin coo mounting thread adapter option. Description velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Piezoelectric sensor design university of minnesota. Ge bently nevada 3305000300 velomitor piezovelocity.
E 0608 page 1 of 8 bently nevada asset condition monitoring velomitor piezo velocity. The velomitor xa sensor cable assembly is suitable for use in moist environments, and the velomitor xa sensor. Sensor compatibility 330500 velomitor piezovelocity sensor 330525 velomitor xa piezovelocity sensor 190501 velomitor ct velocity transducer 330400 accelerometer acceleration transducer 330425 accelerometer. Its design specifically measures casing vibration velocity on cooling tower and aircooled heatexchanger fan. Ge bently nevada 3305000300 velomitor piezovelocity sensor. Bently nevada seismic sensor systems nvms solutions. Unlike movingcoil velocity transducers, such as the bently nevada seismoprobe family of velocity. Because the 330500 incorporates solidstate electronics and. Voltage divider for adding offset voltage we can only transmit positive voltage signal so we need to add an offset voltage to the circuit. Ge bently nevada 3305000300 velomitor piezovelocity sensor easy clickquotebuy today. To obtain precise vibration signals some basic knowledge about piezoelectric accelerometers is required.
In order to read low frequency signal we need to decrease the cutoff frequency. Accepts from 1 to 4 velocity or acceleration transducer signals. 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. Ge bently nevada 330500 series velocimitor piezovelocity. 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 bently nevada s seismoprobe family of velocity transducers, velomitor piezo. Velomitor piezovelocity sensor bently nevada asset condition monitoring velomitor piezovelocity sensors measure absolute relative to free space. Velomito pn mvins 4 mvmms description velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Product tested velomitor ct piezo velocity transducer certificate holder bently nevada corp.
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. Bently nevada velomitor piezovelocity sensors are designed to measure absolute relative to free space bearing housing, casing, or structural vibration. The velomitor xa extended application sensor is a ruggedized version of bently nevadas 330500 velomitor sensor. Sensor yang digunakan adalah sensor seismic transduser, yaitu sensor yang digunakan untuk mengukur kecepatan dan percepatan. Sensor getaran atau vibration sensor coretan tanganku. A few sensor types used for vibration measurements 6 the velocity probe reference. Velomitor piezovelocity sensors 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 piezo velocity sensor.
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. Velomitor piezovelocity sensors measure absolute relative to free space bearing. Velomitor piezo velocity sensors measure absolute bearing housing, casing, or structural vibration relative to free space. Radiation resistant velomitor piezo velocity sensor. Its design specifically measures casing vibration velocity on cooling tower and aircooled heatexchanger fan assemblies that operate at or above 90 rpm 100 to 300 rpm typical. The ge bently nevada 330500 series velomitor piezo velocity sensors measure absolute relative to free space bearing housing, casing, or structural vibration. Description velomitor piezovelocity sensors are 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. Some velocity transducers are made with principle of operation is the saaccelerometer with a builtin electaccounts superior to the classic seismic velocity probeme. Velocity transducer housing cenelec approved 107770aabb this version is a combination of the 330500 velomitor sensor and a 21128 housing preinstalled at the factory. Its 316l stainless steel case and unique, weatherproof connector and cable assembly permit mounting without a housing. 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. 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.
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