High pressure flow meterFeature:1.Hi-Accuracy 0.2%,0.5%,1% optional.2.Wearable Tungsten carbonized shaft and bearing,be the same with medium of sully.3.Erode-resistant Be the same with sea water,ammonia,acetometer,etc4.Bi-direction Pulse,4~20mADC,total and rate display in the field5.Power supply 5~24VDC6.Explode-proof Ex d11 BT4/Ex ib..