LV covers tests for electric and electronic components for use in motor vehicles up to 3,5 t with a 12 V electric mOhm. Tolerances & standard values. LV Automotive test standard bij Hielkema Testequipment. The LV includes several mechanical, climatic and life tests, such as the K damp heat. ISO , Road vehicles—Environmental conditions and electrical testing for electrical and electronic equipment, is an ISO standard which provides guidance .
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Other definitions Ri Terminal designations f Internal resistance of the voltage source Acc. All E-tests can be executed fully automated, individually stadard completely and in any desired order.
Temperature profile L Life test – temperature cycle test The test serves to verify the quality and reliability of the component with respect to faults that occur due to thermomechanical load, e. An adaptation of the system to other standards and other DUTs stsndard also possible. The temperature spectrum acc.
These undervoltages are simulated by means of this test. Each contact must be tested individually in the case of multiple-contact relays and multiple-contact switches. In addition, a parameter test functional test must be carried out every 7 days.
Voltage- and current control
The purchaser reserves the right to check the laboratories and the laboratory procedures. The Component Performance Specifications stipulate how these changes are defined. The respective ramp times between Tmax and Top, max are not included in the test duration.
Then the condensation phase begins. This encoding must only be used if the component cannot be classified in the stanxard a, c or d.
No part of this document may be transmitted or reproduced without prior permission of a Standards Department of standwrd Volkswagen Group. The tolerances refer to the required measured value. This results in a total test duration on the basis of equation 6 of: Other resistors on T.
Intermitting 55 min operating mode II. The measured values must meet the specifications. If required, the necessity of the test must be specified in the Performance Specifications. The test serves to verify the resistance of the component to malfunction under salt load, e. For temperature cycle tests, the DUTs must additionally be kept in the condition in which the temperature is maintained at the specified temperature basic values for a defined time, so that tensions in the component can be transferred to elongations.
Information by e-mail Consultation by phone On-site presentation.
LV Test equipment at SIBO Electronic
Salt spray test with operation, interior – spray phases 9. The reverse polarity resistance to be tested applies to any voltage standarf between 0 V and the maximum values described in Table 28 and Table From Wikipedia, the free encyclopedia. Overview of installation location, typical spectrums standafd temperature rises Installation location of the component Spectrum no. There are many ways to control SIBO amplifier systems: Test pulse E Jump start 4.
Test parameters for general vibration DUT operating mode Superimposed temperature profile Frequency sweep time for sinusoidal excitation Vibration profile A for engine-mounted parts Repeating, acc.
LV-124/ LV-148 tests with the eTS one
Test pulses E Short interruptions Figure Variable Waveform Generation Meanwhile, many car manufacturers extend the standard waveforms with many variable parameters in time and amplitude. At least 6 Figure 7: Acceptance of the test reports does not automatically result in a release.
Hereby additional electronic switches are necessary. It is possible to connect additional system components e. Control input is Safety instructions and warnings for the chemicals must be observed. Details concerning the operating modes, operating loads e. Other possible voltage sources such as T. Test pulse E Transient undervoltage 4. Temperature difference during a test cycle: At least 6 Figure