The maximum system response may be as high as twice the magnitude of the shock pulse. With the meter s autoscale feature, the pulse scale is set according to the cvt amperage, removing the need for manual configuration. The magnitude of these pulses are dependent upon the surface condition and the peripheral velocity of the bearing r. For vibration measurement, one normally stops measuring far below the resonance frequency of the trans ducer. Connect to either the ky or kz terminals and then input to the test.
The shock pulse method for determining the condition of anti. Depending upon the spm readings, the spm meter shows the bearing condition in green dbm upto 20, yellow dbm from 21 to 34 or red dbm 35 or. Shock pulse analyzing case study machinery lubrication. Unless an individual is involved with some form of machinery vibration analysis, the term shock pulse monitoring is unknown and somewhat foreign. Doing tests with both, i found the following differences. For example, highfrequency shock pulse signals used to. Spm instrument tester t30 advanced machine condition. They are installed in countersunk mounting holes on the bearing housings. Baltech vp3450 device for bearing diagnostics using shock. The actual kfactor for your meter is marked on the data sheet included with the meter.
Since the incorporation of our organization, we are offering shock pulse monitoring system to our clients. Shock pulse meter spm measurement procedure 3 youtube. I have to mention some elementary physics to explain what we are doing. Variant of fft analysis used for machines with variable rpm. The pulse outputs can interface to monitoring or data logging hardware without concerns about interference, ground loops, shock. As the duration of the shock pulse increases, sustained oscillations get shorter in time but larger in amplitude.
Brass bar machine propagating elastic wave multiple re. If pressure surges or hydraulic shock of any kind is possible, the system upstream of the meter. Spm instrument shock pulse tester t2000 with manual shape for. See section 9 specifications for recommended conductor gage and terminal tightening torque. The em pulse supports the use of all senva cvt sensors. Contents 1 portable instruments for condition monitoring 2 continuous monitoring systems 3 software 4 shock pulse transducers, adapters and tools 5 vibration transducers and transmitters 6 accessories for remote monitoring 7 cables, connectors and tools 8 precut shims 9 instruments approved for potential explosive atmosphere spm instrument ab box 504 se645 25 strangnas sweden. The shock pulse meter then calculates an index number and applies it to the raw shock pulse signal.
It provides easytounderstand condition evaluation in a greenyellowred scale, as well as. Spm hd high definition shock pulse method spm instrument. The approximate flow volume per one pulse kfactor is shown at right. The benefits of this technology allow precise flow measurement and dispensing of most clean liquids irrespective. The shock pulse meter counts the rate of occurrence in coming shock pulses. Spm vibration tra78 shock pulse transducer tequipment.
Together, these two values can be directly translated into bearing condition information by utilizing the bearing bore diameter and rpm. The shock pulse method for determining the condition of. However, the incompatibility may overheat the sensor, causing. Shock pulse method is a signal processing technique used to measure metal impact and rolling noise such as those found in rolling element bearings and gears. When using the micro usb connection, do not apply ac or dc power to the meter. Every time the spm sensor is exposed to an elastic wave shock pulse, the. Principle use and purpose 1 supplementary operating manual 4 of 8 shock pulse measurement. Spm hd is a patented further development of the shock pulse method spm used for a fast, easy, and reliable diagnosis of the operating condition of rolling element bearings. The shock pulse transducer is carefully designed with this important fact in mind.
Shock pulse method spm is a technique for using signals from rotating rolling bearings as the basis for efficient condition monitoring of machines. Skin integrity issues associated with pulse oximetry p ulse oximeters, devices which estimate the oxygen saturation of arterial blood, have been in. Trends for both lubrication condition and bearing damage are. Selecting accelerometers for and assessing data from.
Ramboz,charlesfederman vibrationsection,mechanicsdivision. From the innovation of the method in 1969 it has been further developed and broadened and is a worldwide accepted philosophy for condition monitoring of rolling bearings and machine maintenance. Spm sensors shock pulse transducer manufacturer from hyderabad. Request pdf bearing condition monitoring based on shock pulse. For shock pulse measurement, hdmhdc method of analysis is capable of. Remove the old pulse meter and install the new one, observing the original wiring polarity. The original shock pulse method, patented by eivind sohoel in 1969, has been.
Rph, rphb, rphdsupplementary operating manual shock pulse. Looking for bearing checker, shock pulse 9 to 9 dbsv. A shock pulse transducer converts the shock pulses emitted by the bearing into electric signals. Vibration phase as the impact continues to develop, the metal surfaces are compressed and deflected. It causes the reference mass of the shock pulse transducer to vibrate at its own resonance frequency of 32 khz. Cleaning of the installed meter is restricted as it shall only be done by trained personnel. It is multifunctional and can be used as shockpulse tester, vibration meter and as a.
The pulse outputs can interface to monitoring or data logging hardware without concerns about interference, ground loops, shock hazard, etc. The flow meter will send an output pulse for each gear tooth that passes the sensor. The easiest and quickest way to program your provu meter is to use the free meterview pro programming software. Shock pulse measurement vibration analysis ksb webshop.
Spm bearing checker, shock pulse 9 to 9 dbsv 4pjv6. The fingertip pulse oximeter is a portable noninvasive device intended for spotchecking of oxygen saturation of arterial hemoglobin spo 2 and pulse rate of adult and pediatric patients at home and in hospital including clinical use in internistsurgery, anesthesia. These electrical values are further analyzed to give spm readings. The shock pulses generated by the bearing is picked by the transducer of spm meter and thereafter converted into electrical values. The magnitude is then compared with prestabilished limits. Make sure that the distance between the coupling and the meter is sufficient during measuring. Once the glow plug triggers combustion, a pressure wave is released into the boiler. Here, we will talk about t2000 series type of shockpulse tester. Energy meter by sliding them into the slots from the inside. Refer to the option in the meter model number and relevant instrument manual.
Shock pulse 30 meter range damage 20 power instant requires melee weapon. The meter can be powered from the micro usb connection. Em pulse the em pulse is a 3 channel pulse meter with two pulse inputs and two pulse outputs. This report describes a system newly designed to facilitate shock calibration. Evaluation and calibration of mechanical shock accelerometers. To prevent horizontal shifting across the din rail, use two av02 end stop clips. All generations of shock pulse meters give readouts of both the magnitude of the peaks maximum value dbm and of the signal level between peaks carpet value dbc. The shock pulse meter counts the rate of occurrence incoming shock pulses per second and varies the measuring threshold until two amplitude levels are determined. Checking bearing condition vibchecker 2018 shock pulse meter spm. Remove the protective caps from the measuring nipples. The em pulse is compatible with all sizes of currentvoltage transducers cvts.
Mechanical shock can be specified in either the time, andor frequency domains, or by its associated shock response spectrum. It provides easytounderstand condition evaluation in a greenyellowred scale, as well as crystalclear spectrums and time signals for further analysis. Put the protective caps on the measuring nipples if necessary. I n s t r u c t i o n m a n u a l gpi flow meters for water. T30 is a machine condition tester designed for a reliable preven tive maintenance of industrial. Skin integrity issues associated with pulse oximetry. A shock pulse meter is very sensitive to detecting any defects in the bearing, but cant analyze the vibration created after the initial shock pulse. The shock pulse method for determining the condition of antifriction bearings. Spm supplies different versions of shock pulse transducers with several adapters and tools for installations anywhere. The result is a normalized shock pulse reading that can be compared from machine to machine. This level is displayed as dbc decibel carpet value. The em pulse meter base is a class ii low voltage device for mounting flexibility. I am comparing shock pulse measurements with the spm bearing checker bc100 and the pruftechnik vibscanner trying to decide what instrument is better for this method. Maintenance on board, vibration and shock pulse monitoring.
Shock pulse tempest warrior abilities database rift. Shock pulse measurement on rolling bearings supplies data on bearing damage, lubrication condition and the effects of alignment and load. The bearing checker is a shock pulse meter based on the well proven spm method for quick and easy identification of bearing faults. Spm bearing checker, shock pulse 9 to 9 dbsv 4pjv6bc100. So, in the manner of you require the books swiftly, you can straight get it. The instrument has a builtin microprocessor programmed to analyze shock pulse patterns from all types of ball and roller bearings and display evaluated information on the operating condition of the bearing. April 8th, 2018 pdf download shock pulse tester t2015 manual shock pulse tester. Much more refined than other high frequency measurements, shock pulse is widely used throughout the world as a basis for predictive maintenance. Prior to proceeding, the mains power must be disconnected, and the manual. The standard spm shock pulse transducer is the 44 000. The shock pulse meter counts the rate of occurrence in coming shock pulses per second and varies the measuring threshold. Supplementary operating manual shock pulse measurement vibration analysis.
This shock or pressure wave is what we are interested in measuring using the shock pulse method. Bearing condition monitoring based on shock pulse method and. The outside edge of the clip must be flush with the outside edge of the energy meter. Shock pulse goes spectrum lou morando, managing director of the spm office in the u.
The shock methods are applicable for amplitude range from as low as 10 g to above 10,000 g, and a pulse duration range of less than 0. The pulse output can be wired directly to process control and monitoring equipment or can be used as an input to instruments supplied with or fitted directly to the meter. A shockpulse tester is a very useful test equipment for determining the bearings inner state, especially when it is not possible to open it. Dec 01, 2016 the series of events in a shock pulse cycle includes dosing containers being filled with o 2 and ch 4. Waste heat boiler cokenergy, chicago usa 1 waste heat boiler with 48 th 107 klbsh steam capacity processing waste heat from heat recovery coke. Where to download shock pulse tester t2000 manual shock pulse tester t2000 manual as recognized, adventure as without difficulty as experience about lesson, amusement, as skillfully as accord can be gotten by just checking out a books shock pulse tester t2000 manual in addition to it is not directly done, you could take even more in the region of this life, re the world. Spm shock pulse meter 43a w spm 10777 transducer for sale.
Shock pulses generated by a bearing increase up to times from when the bearing is in good condition to. This essential element sets shock pulse apart as a reliable gauge of machinery condition. See over oval gear gpi flow meters for water and fuel. Device for bearing diagnostics using shock pulse method operation manual 10 section 3 technical description the shock pulse method uses several decibel values figure 33. See diagram of the underside of the energy meter below. This software is loaded into the meter and connects and installs directly to your pc with a usb cable. Em pulse meter offers 2 pulse outputs and 2 pulse inputs to maintain flexibility during installation and operation. Called the spm spectrum, it is the result of an fft on the time signal recorded with an spm shock pulse transducer from a rolling element bearing. Nbsir74480 evaluationandcalibrationof mechanicalshockaccelerometersby comparisonmethods johnd. Clean the display and front body of the meter with a soft lint free cloth. Accelerometer shock sensitivity calibration using a pneumatic.
Officially, and accurately, it is a technology relying on the physical principle that sound travels undiminished through metal objects for great distances. The shock pulse transducer with tmu is used in permanent spm installations for bearing monitoring, in cases where the cable length between transducer and measuring unit exceeds 4 m. Time response of a shock excitation of a single degreeoffreedom system. Measuring shock pulse another approach to front line. Plants and small hydroelectric power plants, gives an impulse for carrying out work on the.
It is specifically tuned and is used for measurement of pulses on db scale. A wide variety of shock pulse meter options are available to you, such as material. Disconnect the cable from the pulse module, taking note of the wiring polarity. Product catalogue spm instrument pdf catalogs technical. Pulse outputs the wattnode meter generates pulse outputs using one or more optoisolators also called photocouplers. Installation must only be performed by qualified personnel and in accordance with these.
Since the incorporation of our organization, we are offering shock pulse transducer to our clients. The resulting voltage is a function of the vibration ami. Permanentlyinstalled sensors offer the most reli able transmission. To reduce risk of electric shock, always open or disconnect the monitored circuit from powerdistribution system or service of building before servicing currentsensors. The shock pulse method was the start of condition monitoring and condition based maintenance, targeting the machine part that causes most breakdowns, the. A spm instrument can be used after about 12 days training and is more sensitive to bearing defects than the vibration pen. Spm is an abbreviation for the shock pulse method, which is a patented technique for using signals from rolling element bearings as the basis for efficient condition monitoring of machines. Prior to proceeding, the mains power must be disconnected and the manual consulted for safety information. This pulse is used as an input to test sleds, to enable qualification of head and neck constraint. Spm sensors shock pulse transducer manufacturer from.
1539 655 468 1333 866 927 1458 1171 1113 633 179 1081 1509 1132 12 1411 1269 1563 1718 934 1268 1429 68 675