... of ball really flowmeter, no joint structure of leakage,Metal table cover, high voltage,Online, convenient maintenance removed form, reduce ... 0.01 ° C,Main function:Adopted non-touch data exchange of IC CARDS, a table,After heat pre-book IC ... set with hot; overdrawHas the battery voltage, magnetic disturbances alarm protection function, magnetic interference valve shut down automatically,RLY - 1 type ...