... 1.5%,1.0%,0.5% 3.no zero point deviation 4.rapid response,high sensitivity SpecificationsLiquid flow meter ... 1>Hi-accuracy:0.2%,0.5%,1.0% 2>LCD display,output:pulse,4 ... -20mADC 3>Explode-proof:Ex d11 BT4/Ex ib ... .030.16-20~+120(150*)(Degree Centigrade)6.3-25~+55(Degree Centigrade)0.124A0.040.256A0. ...