... other alkaline pH liquids -abrasive liquidsNorminal bore diameter (mm): DN25~300inaccuracy: ±0.2%,±0.3%,±0.5%flow rate (m3/h) : 2~1000medium ... tempreture (): -30~50°CNominal pressure (Mpa): 1.0, 1.6, 2.5, 4.0, 6.3medium: petroleum, high water-content crude oil ... pointer to zero, counter to zerooutput: impulse 4-20mATransfer coefficient:0.1L/P, 1L/Pburst proof: Ex dBT4grade: IP65connect: flange GB ...