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IP protection level is composed of two numbers. The first number represents the level of dust prevention and prevention of foreign invasion; The second number indicates the tightness against moisture and water intrusion. The larger the number, the higher the protection level. The protection level represented by the two marked numbers is described as follows
Stainless steel pressure gauges are widely used in petroleum, chemical industry, chemical fiber, metallurgy, power station, food and other industrial departments to measure the pressure of various fluid media in the process flow with high requirements for corrosion resistance and high temperature resistance. The gauge adopts direct contact connector and pressure sensing element materials, icr18ni9t, ocr18ni12mo2ti and SUS316. The structure is fully sealed.
The innovation from mechanical flowmeter to electronic flowmeter is one of the most important development trends of flowmeter. Target flowmeter, electromagnetic flowmeter, ultrasonic flowmeter, vortex flowmeter and V-cone Flowmeter (orifice flowmeter) work based on electrical principle, so as to avoid the moving parts that need to be replaced in the work of mechanical flowmeter.
1. First observe the measuring range, graduation value and 0 point, and the measured liquid temperature shall not exceed the measuring range; 2. All the glass bubbles of the thermometer shall be immersed in the measured liquid and shall not touch the bottom or wall of the container; 3. Wait for a while after the thermometer glass bubble is immersed in the measured liquid, and read after the indication of the thermometer is stable;
