It is suitable for the measurement of 400 ℃ high temperature, high viscosity, corrosiveness, easy crystallization and other fluid media;

　　Suitable for differential pressure, pressure and liquid level measurement;

　　Filling fluid: silicone oil, high temperature silicone oil, ultra-high temperature silicone oil, vegetable oil;

　　Liquid film: stainless steel 316L, Hastelloy C, tantalum, stainless steel 316L, EFP, pea and PTFE.