Recently, Sifang photoelectric refrigerant leak monitoring sensors AM4203RM-R454B and AM4203RM-R454C successfully passed the UL60335-2-40/CSA C22.2 No. 60335-2-40 “Special Requirements for the Safety of Household and Similar Appliances” Appendix LL testing at UL (Underwriters Laboratories) North American Laboratory, and obtained official approval from UL, becoming the first Chinese sensor company to obtain this certification.
四方光电冷媒泄漏监测传感器荣获UL认证
Sifang Optoelectronics's refrigerant leak monitoring sensor won UL certification
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