The water meter ad opts t he latest     do mest ic advanced u ltr ason ic t ime      differ enc e meas ure men t t echno lo gy       dev elop ed by the co mpany, wh ic h has the remarka ble c har acter istics of  high       accur acy, u ltra- lo w p ower  consumpt io n,  wid e ran g e rat io, stab ility and re liab ility. Integrat io n sch eme is a dopted in the structure. IP68 prot ect ion lev el ca n be  ach ie ve d throug h go od sea ling, ev en if   the instrume nt chamber  water intake ca n ens ure lon g-t erm re lia ble work.