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How do sensors do UL certification?-UL 60730-1 / UL 60730-2-6

SRF 2024-10-11 16:42

In the world of the Internet of Things, sensors are more and more widely used. How do sensors do UL certification? Which UL standard do they do? From which dimensions does UL evaluate whether sensors are safe and reliable? Let's briefly analyze.

Standards: Current Standards UL 60730-1 / UL 60730-2-6

note: Currently UL and IEC are drafting IEC/UL 60730-2-23 after the standard comes into effect, the sensor standard will be classified as IEC/UL 60730-2-23, and UL 60730-1 / UL 60730-2-6 is still valid.

Structure and test judgment:

because of the low-voltage products in the sensor structure, there is generally no problem. UL certification is mainly focused on testing. If the sensor is UL certified, what tests will be done?
PROTECTION AGAINST INGRESS OF WATER AND DUST (IPXX): IP Test-If IP is declared, an IP test is required.
Gasket and Seal tests-seal ring test. If there is a seal ring in the sensor, ensure that there is no problem with the sealing performance.
PROTECTION AGAINST HUMID CONDITIONS-humidity test to ensure that a certain humidity environment, the sensor performance is no problem.
The dielectric strength of the sensor was evaluated ELECTRIC the STRENGTH TEST-Electrical Strength Test.
ENVIRONMENTAL STRESS OF TEMPERATURE-High and low temperature test, to ensure that the performance of the pressure sensor at high and low temperatures is no problem.
STRENGTH of PARTS-Overvoltage test to ensure that the sensor is under abnormal input and there will be no safety risk.

LEAKAGE/AEROSTATIC STRENGTH TEST/ RUPTURED DIAPHRAGM LEAKAGE TEST / STRENGTH OF PARTS/HYDROSTATIC STRENGTH TEST-Medium leakage test, if there is refrigerant or other flammable and explosive substances in the pressure sensor, this test evaluation is required.

The above is the introduction of UL certification of sensors by Ankejie testing and certification. It is for reference only and does not represent the viewpoint of Ankejie testing technology and is responsible for its authenticity. If you are involved in the content of the work, copyright and other issues, please contact us within 30 days, we will delete the content in the first time!

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