... No zero point deviation Small permanent pressure lossPrecise machining equioments are employed in ... rate will not be influenced by the pressure,temperature,viscosity and contents of the fluid, ... pressure:1.6Mpa,2.5Mpa,6.3MpaTemperature of fluid:-40°C-250°C(average type),100°C-350°C(high temperature ... communicationElectric interface:M20*1.5Protection grade:IP65Environment temperature:-35°C-60°C(no LCD),- ...