... volume, instantaneous flow rate or remote monitor with pulse or 4-20mA signal.2.Main technical parameters:Nominal diameter (mm): DN25~300Accuracy ... ): -30~50Nominal pressure (Mpa): 1.0, 1.6, 2.5, 4.0, 6.3Medium: crude oil, engine oil, high watery crude ... and instantaneous flow rate, reset pointer and totalizer.Output: pulse, 4~20mA signalExplosion proof: EX d II BT4Safety grade: IP65Connection: flange ...