1.liquid,oil,gas hc4 gas analyzer RS485output 2.Accuracy:0.2 -1. ... gas flowmeter hc4 gas analyzerCharacteristicsl Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal or high ... ~DN15002) Categoryl Liquid: high and normal temperaturel Gas: high temperature steam and normal gas(The details are included in “Guide to ...