... 3>Display:LCD,LED 4>Power supply:5-24VDC Water meterFeature:1.Hi-Accuracy 0.2%,0.5%,1% ... sully.3.Erode-resistant Be the same with sea water,ammonia,acetometer,etc4.Bi-direction Pulse,4~20mADC,total ... .6or2.516*25*0.02550A64064044080A161001610010100100A2516025160202001.62.5150A604005030040400200A10060080800250A160100012012001.6300A26016001801800Note:Mark "*" means special order Water meter