Structural principle instrument by measuring systems (including joints, bellows, etc.), transmission (including pull-bar mechanism manufacturer of oil-filled pressure gauges, gear mechanism), indicating parts (including pointers and degree) and housing (including Case, bushing and table glass) of the composition. The working principle is the basic instrument fluctuations diaphragm under pressure measured medium, its corresponding free end of the elastic deformation of the oil-filled pressure gauges sales price, and then after pulling the lever - gear drive transmission and to zoom by fixed pointer on the gear will be measured by the value indicated on the dial. Diaphragm structure principle: diaphragm deformation in measured media pressure, sealing liquid is pressed to form a pressure equal to P oil-filled pressure gauge how to sell, transfer to the pressure gauge, display measured media pressure. Temperature effect: because the sealing liquid thermal expansion and the diaphragm stiffness and temperature, in the use of temperature deviation from 20 ℃ ± 5 ℃, affected by temperature, there is an error, it is 0.1% / ℃. Level difference: diaphragm pressure gauge hose connection at installation if the pressure receiving portion and pressure gauges at different locations, the level difference will affect the formation of a pressure difference ΔP, ΔP = proportion × sealing liquid level difference. Corrosion resistance: corrosion resistance properties of the diaphragm pressure gauge corrosion-filled pressure gauges and measuring medium containing environment, according to the conditions of use optional isolation, diaphragm, how much money gasket material oil-filled pressure gauges, oil-filled pressure gauge Anhui Electric Group is provided by Anhui Electric Group Co., Ltd .. Anhui Electric Group Co., Ltd. (www.ahecable.com) strong, credible, in Chuzhou bare wires and bare conductor products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Anhui Electric Group and you hand into the brilliant, for a better future!