... oxygen, nitrogen, coal gas, natural gas, chemical gas and so on), liquid (water, high temperature water, oil, food liquid, chemical ... liquid and so on), steam (saturated steam, overheated steam);Measurable medium temperature: -40° ... ; Field LCD display: -25°C—+55°C;Material of meter body: 1Cr18Ni9Ti (other materials supplied by agreement). Vortex flow ...