AnHui TianKang RTD(Thermal Resistance) Safety Integrity Level Certificate SIL3
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	No. 3U180831.ATKTD69 
	Technical Construction File no. SIL-TKWZ-(18)-08 
	No.20 South Renhe Road, Tianchang City, Anhui Province,China 
	Product: Thermal Resistance 
	Model(s): WZ Series 
	Standard: Has been assessed per the relevant requirements of:IEC 61508:2010 Parts 1-2 
	And meets requirements providing a level of integrity to: 
	Systematic Capability: SC 3 (SIL3 Capable) 
	Random Capability: Type A Element, Route 1H (See Annex I for details) PFDAVG and Architecture Constraints must be verified each application 
	Safety Function: 
	The WZ Thermal resistance will measure temperature within the stated safety accuracy in effective measurement range. 
	* Is suitable to be safety function according to the description and the 
	configuration defined in Annex I  
	
 
	