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  • Radar Level Gauge·Three Typical Installation Mistakes

    Radar Level Gauge·Three Typical Installation Mistakes

    Advantages in the use of radar 1. Continuous and accurate measurement: Because the radar level gauge is not in contact with the measured medium, and it is very little affected by temperature, pressure, gas, etc. 2. Convenient maintenance and simple operation: The radar level gauge has fault alar...
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  • Introduction of Dissolved oxygen meter

    Introduction of Dissolved oxygen meter

    Dissolved oxygen refers to the amount of oxygen dissolved in water, usually recorded as DO, expressed in milligrams of oxygen per liter of water (in mg/L or ppm). Some organic compounds are biodegraded under the action of aerobic bacteria, which consumes the dissolved oxygen in the water, and th...
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  • Technical troubleshooting tips for common faults of ultrasonic level gauges

    Technical troubleshooting tips for common faults of ultrasonic level gauges

    Ultrasonic level gauges must be very familiar to everyone. Because of the non-contact measurement, they can be widely used to measure the height of various liquids and solid materials. Today, the editor will introduce to all of you that ultrasonic level gauges often fail and solve tips. The firs...
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  • Detailed knowledge—Pressure measuring instrument

    Detailed knowledge—Pressure measuring instrument

    In the chemical production process, pressure not only affects the balance relationship and reaction rate of the production process, but also affects the important parameters of the system material balance. In the industrial production process, some require high pressure much higher than atmospher...
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  • Introduction of ph meter

    Introduction of ph meter

    Definition of ph meter A pH meter refers to an instrument used to determine the pH value of a solution. The pH meter works on the principle of a galvanic battery. The electromotive force between the two electrodes of the galvanic battery is based on Nerns’s law, which is not only related to...
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  • Definition and difference of gauge pressure, absolute pressure and differential pressure

    Definition and difference of gauge pressure, absolute pressure and differential pressure

    In the automation industry, we often hear the words gauge pressure and absolute pressure. So what are gauge pressure and absolute pressure? What is the difference between them? The first introduction is atmospheric pressure. Atmospheric pressure: The pressure of a column of air on the earth’...
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  • Automation Encyclopedia-Introduction to Protection Level

    Automation Encyclopedia-Introduction to Protection Level

    The protection grade IP65 is often seen in the instrument parameters. Do you know what the letters and numbers of “IP65″ mean? Today I will introduce the protection level.IP65 IP is the abbreviation of Ingress Protection. The IP level is the protection level against the intrusion of f...
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  • Automation Encyclopedia-the development history of flow meters

    Automation Encyclopedia-the development history of flow meters

    Flow meters have a wide range of applications in the automation industry, for the measurement of various media such as water, oil, and gas. Today, I will introduce the development history of flow meters. In 1738, Daniel Bernoulli used the differential pressure method to measure water flow based ...
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  • Automation Encyclopedia-Absolute Error, Relative Error, Reference Error

    Automation Encyclopedia-Absolute Error, Relative Error, Reference Error

    In the parameters of some instruments, we often see accuracy of 1% FS or 0.5 grade. Do you know the meaning of these values? Today I will introduce the absolute error, relative error, and reference error. Absolute errorThe difference between the measurement result and the true value, that is, ab...
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  • Introduction of Conductivity meter

    Introduction of Conductivity meter

    What principle knowledge should be mastered during the use of the conductivity meter? First, in order to avoid electrode polarization, the meter generates a highly stable sine wave signal and applies it to the electrode. The current flowing through the electrode is proportional to the conductivit...
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  • How to choose the Level Transmitter?

    How to choose the Level Transmitter?

    Introduction Liquid level measuring transmitter is an instrument that provides continuous liquid level measurement. It can be used to determine the level of liquid or bulk solids at a specific time. It can measure the liquid level of media such as water, viscous fluids and fuels, or dry media s...
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  • How to Calibrate a Flowmeter

    How to Calibrate a Flowmeter

    Flowmeter is a kind of test equipment used to measure the flow of process fluid and gas in industrial plants and facilities. Common flowmeters are electromagnetic flowmeter, mass flowmeter, turbine flowmeter, vortex flowmeter, orifice flowmeter, Ultrasonic flowmeter. Flow rate refers to the spee...
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