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					 Completely eliminate leakage, long service life.  | 
			
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					 Suitable for communication module, power failure warning, meter RTC, concentrator, etc.  | 
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					 Wide operating temperature range: -40℃~+85℃.  | 
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					 More suitable for water, gas and other moisture-proof, waterproof characteristics of higher requirements, relatively sealed occasions.  | 
			
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						 Suitable for intelligent four meters (electricity meter, water meter, gas meter, heat meter), 
 Concentrator, communication module, power failure warning, meter RTC. 
						 
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