GLOBAL UNITED TECHNOLOGY SERVICER CO., LTD
GTS professional automotive components engine authoritative third party testing laboratory
Automotive materials and parts
Provide various kinds of automotive materials and parts inspection certification
Automobile is an electromechanical hybrid system composed of tens of thousands of parts. Auto parts inspection can help auto manufacturers and parts manufacturers get detailed reports on the quality of parts, so as to improve the performance of parts.Testing covers environmental reliability testing of auto parts,Electrical performance test, functional test, EMC test,Material testing, green environmental testing and chemical compliance services.
Product range
1 Appearance and general requirements
1.1 The detector should have a clear nameplate indicating the name, model, manufacturer, factory serial number and date of delivery.
1.2 In good shape and structure; Complete with accessories; All parts are working properly.
1.3 Data and waveform should be clearly displayed, and the retention time of test results should be no less than 8 seconds.
2 Technical Specifications
2. L engine speed: measurement range 100-7200r /min. The value error is less than 1%.
2.2 Ignition advance Angle: Measurement range 0-50 °C, indicating value error is not more than ±1. (CAM Angle).
2.3 Platinum closure Angle: measurement range 0-90 °C, the value error is not more than ±1. (CAM Angle).
2.4 Starting voltage, charging voltage: measurement range 8-30V, the value error is not more than ±2%± 0.LV.
2.5 Starting current and charging current: when the measurement range is 50-500A and 10-30A, the error of indicating value is not more than ±5%±1A.
2.6 Cylinder pressure and oil supply pressure: When the measurement range is 0-4mpa and 0-3omPa, the error of the indicating value is not more than ±5%.
2.7 Acceleration time: measurement range 200-200oms show value error is not more than ±5%.
2.8 The repeatability error of the above test parameters shall not be greater than the error value of the indicated value.
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3. L sensitivity: the input signal amplitude is 1Omv, at the center frequency F0, the output signal amplitude should not be less than 1/3 of the height of the osctor window.
A. The center frequency f0 is 640, 1200, 2200, and 9700Hz.
B. Center frequency F0 shall be adjustable.
C. Frequency range 400--400 ohz and 9000--120OOHz.
3.2 Attenuation characteristics
Af0 / A0.5 f0 p 2 (1)
Af0 / A2f0 acuity 2 (2)
Where: Af0-- amplitude at center frequency f;
A0.5f0-- amplitude at frequency 0.5FO;
A2f0-- amplitude at frequency 2FO.
Note: 0.5 FO is 320Hz spot detection.
3.3 Horizontal scanning synchronization range: when the engine speed is 700-- 2400R /min, horizontal scanning should be synchronized.
3.4 Ignition waveform: It should be able to truly reflect the ignition waveform of the starter.
4. Anti-interference ability: When the detector is 1m away from the interference source and the high-voltage spark length is 2-3 mm, it should be able to work normally.
5 security
5.1 The insulation resistance of the detector power cable to the ground point of the shell must be greater than 2 omohm.
5.2 The electric strength shall not be less than 1.5kV.
6 Environmental Conditions
6.1 Ambient temperature: 5-35°C
6.2 Relative humidity: no more than 85%
6.3 Atmospheric pressure: 86-106kpa
6.4 Power supply voltage: ~220 V±10%
6.5 Verification shall be carried out in an environment where pollution, vibration, noise and electromagnetic interference will not affect the work.
2. Certification services
CCC, CQC, CQM, CB, CE, GS, EMF, ErP, UL, ETL, FCC, CEC, DOE, SAA, RCM
We are committed to the testing and international certification of information technology, audio and video, home appliances, lamps, wireless communications, power tools and machinery, electronic instruments, medical instruments and other types of products. We have obtained the qualification recognition of UL, Intertek, CSA, MET, TUV-RH, TUV-SUD, SGS, NEMKO, FCC, IC and many other international certification bodies. We can provide customers with professional and authoritative one-stop testing and certification services.
The test report issued by Global Zhongyi has legal effect and can be used in scenarios such as the entry of supermarkets, product appeals, anti-malicious rights protection, and auctions (appeals and auctions must meet Party A's testing requirements).
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