... as turbine, electromagnetic, ultrasonic, mass, volumetric,orifice, differential pressure flow meter. It was widely used in fields of gas, natural ... type (ExiallBT4)Protection classIP65; IP67;IP68Characteristics:1. l Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums ... .8. l Able to adopt hang weight method to test the flow meter.9. l Measurement range can be changed by ...