The standard orifice is a circular perforated sheet obtained by machining. The cylinder face of the throttle orifice is perpendicular to the upstream end face of the orifice plate, its edge is sharp,

Thermal resistance is the most commonly used temperature detector in low and medium temperature area. Its main characteristic is high precision and stable performance. Among them, the measurement acc

All kinds of instruments have their own characteristics, there is no perfect flow meter. Flow meter (meter) use of the success of selection of instrument often plays a very important role, due to the