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Testmethods Overview
Sense of Rotation |  | Principle of the test methodA static hall-element probe is used to detect the sense of rotation of the magnetic field a stator. This test is reliable for three-phase and single-pase stators. What we offer .......
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Substitute-Leakage Current |  | Principle of the test methodThe substitute leakage current test can be applied at devices of both protection class I and protection class II. It is checked, whether, through the i....
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Functional Test |  | Principle of the test methodAt the functional test, the electrical and, if required, the mechanical and physical characteristics of the device to be tested are measured and evaluated. For this purpose, the device is usually operated under operating conditions. I.e. the tester supplies the device with a test voltage.This test voltage can come directly from the mains,....
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High Voltage AC |  | Principle of the test methodThe high voltage test AC (alternating voltage) serves for testing the electric insulation capability and voltage proof of clearance and leakage paths at electric components, modules, machines, devices and systems according to various national and international regulations. The level of the t....
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High Voltage DC |  | Principle of the test methodThe high voltage test DC (direct voltage) serves for testing the electric insulation capability and voltage proof of clearance and leakage paths at electric components, modules, machines, devices and systems according to various national and international regulations. If the standards allow it, the high-vol....
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Inductivity |  | Principle of the test methodThe inductivity can be measured and evaluated with various methods. For an automatic evaluation, the set value of the inductivity and the allowed +- tolerance is given.We supply ...combination testers in con....
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Insulation Resistance |  | Principle of the Test MethodThe insulation resistance test can be performed at devices of protection class I and protection class II. It is checked, whether the ohmic insulation resistance exceeds the limit value laid down in the standards. The test is to detect, whether too high a leakage current could occur in the test object.
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Capacity |  | Principle of the test methodThe capacity can be measured and evaluated with various methods. For an automatic evaluation, the set value of the capacity and the allowed +- tolerance is given.We supply ...combination testers in connec....
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Mechanical Dimensions |  | Principle of the test methodAt this test, the operator uses an electronic caliper gauge to check whether certain dimensions are OK. By directly reading out the measured value from the caliper gauge, the test result is transmitted to the testing device. This can be done, for example, by depression of key. Various start options are available.
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Neutral Zone |  | Principle of the test methodThe neutral zone is detected at armatures. At armatures it is tested, whether the armature winding is in the correct angular offset to the collector or to the collector lamella. At an assembled DC motor or generator it is checked, whether the brush holder has the correct angle.The test is extremely fas....
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Physical Values |  | Principle of the test methodFor the physical test, physical signals are converted into electrical signals. Afterwards, they are measured and automatically evaluated. There are many different physical values that can be used:temperaturepressurevibrationr.p.m.torquelengthpulse repetitionetc.....
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Residual Voltage |  | Principle of the test methodThe residual-voltage test serves to detect the residual voltage at various touchable connections of the test object according to standards. According to the standards, after a certain time, the level of the residual voltage is measured. Residual voltages occur, for example, inside the test object through charging.
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Ground Continuity |  | Principle of The Test MethodThe ground-continuity test is performed at devices of protection class I. It is checked, whether the PE resistance is below a limit value defined in the standards. The test is to detect whether possible leakage currents inside the test object are grounded correctly. If the PE connection is not OK, this could result in too hi....
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Visual Check |  | Principle of the test methodThis is an optical examination of the test object by the operator. The result is entered into the testing device - normally via an operating panel with "GO" / "NO GO" button. For entereing the result, various options are available. Depending on the type of tester,&nb....
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Surge Test |  | Principle of the test methodThe surge test is ideal for detecting shorts and insulation faults in windings. No other test method delivers test results on the insulation of a winding system that are as comprehensive.This test can be supplemented with a partial-discharge test.Owing to the automatic evaluation methods of the test r....
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Partial Discharge |  | Principle of the test methodA characteristic of the partial discharge is that not the complete isolating distance breaks down but only a part of it. In the course of time, however, these partial discharges in part of the isolating system will lead to an increasing defect. After hours, days, weeks, months or years, the isolating system will b....
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Inductive Resistance |  | Principle of the test methodThe inductive resistance can be measured and evaluated by means of various methods. For an automatic evaluation, the set value of the resistance and the allowed +- tolerance is given.We supply ...combination testers ....
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Ohmic Resistance |  | Principle of the test methodThe ohmic resistance is measured and evaluated. For an automatic evaluation, the set value of the resistance and the allowed +- tolerance is given.The resistance test can be performed both with....
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Turn-To-Turn Test |  | The turn-to-turn test can be performed together with the surge test or with a turn-to-turn test probe. With the MotorAnalyzer or the surge testers MTC2 and MTC3, can be detected ideally. Principle of the surge testThe turn-to-turn test is ideal for detecting shorts and insulation faults in windings. No other test method delivers test results on the in....
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Turn Counter |  | The number of turns is measured at a coil or at a part of a coil.We supply ...combination testers with resistance test
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