... 2.5, 4.0, 6.3Medium: crude oil, high wax oil, high watery crude oil and petroleum and chemical products with low, midst ... : pulse, 4~20mA signalFlow conversion coefficient: 0.1L/P, 1L/PExplosion proof: EX d II BT4Safety grade: IP65Connection ... and hygiene, national defense and military industryApplication: oil depot, fuel station, oil vessel, petroleum and chemical products store and transportation ...