water meter adapts to measure the liquid ratr and total flowrate ... Ex d11 BT4/Ex ib 17.spectrum 2,4,6,10,15,25,40,50,80,100,150,200,250, ... 6.3-25~+55(Degree Centigrade)0.124A0.040.256A0.10.66.316*25*40*0.0810A0.21.20.0515A0. ... .02550A64064044080A161001610010100100A2516025160202001.62.5150A604005030040400200A10060080800250A160100012012001.6300A26016001801800Note:Mark "*" means special order. Water meter