2023-05-05 
238
The Delivery of A Vibration Test System To An East Europe Customer
Model :JQA-202-335
Frequency: 5~3000Hz
Max.Displacement :51mm(2 inches )
Max.acceleration :100g or 980m/s2
Test standard : GOST 33466-2015 ( Global navigation satellite system ROAD ACCIDENT EMERGENCY RESPONSE SYSTEM
Test methods for verification of in-vehicle emergency call device/system conformity to requirements of electromagnetic compatibility, environmental and mechanical resistance)
7.2.2 Checking IVDS immunity to sinusoidal vibration
Expose the switched-on IVDS to sinusoidal vibration of the following parameters:
- frequency range: from 10 to 70, Hz;
- acceleration amplitude: 39.2 m/s 2 (4 g);
- duration of exposure: 30 min.
7.2.2.6 The IVDS is deemed to have passed the immunity test to sinusoidal vibration if no mechanical defects are found in the IVDS body (bodies of IVDS components), connectors and connecting cables,, and all checks of normal IVDS operation during and after the test have succeeded.
7.2.3 Checking IVDS strength under exposure to sinusoidal vibration
7.2.3.1 The test is performed in three mutually orthogonal positions.
7.2.3.2 Inspect the IVDS under test visually and secure it to the vibration bench platform in one of the three mutually orthogonal positions.
7.2.3.3 Make use of the wiring diagrams (see Figure A.2 in Appendix A) to check normal IVDS operation in accordance with the technique of 5.2.3.
7.2.3.4 The IVDS vibration strength is checked with the power supply switched off and the following parameters of exposure selected:
- frequency range: from 10 to 70, Hz;
- acceleration amplitude: 39.2 m/s 2 (4 g);
- duration of exposure: 160 min.
During the test, change the vibration frequency periodically from the upper to lower limits of the frequency range.
