Matters needing attention in installation of stainless steel seismic table

Stainless steel shock-resistant pressure gauge shell and internal components are made of stainless steel. The valve body is filled with silicone oil, so that the pressure gauge pointer plays a role in shock absorption and earthquake resistance.

The stainless steel shock-resistant pressure gauge has both the impact resistance and the corrosion resistance of the stainless steel pressure gauge. Stainless steel shockproof pressure gauge is suitable for industrial and mining places with large vibration and corrosive medium.

1. The ambient temperature of this instrument is-40 ~ 70℃, and the relative humidity does not exceed 80%. If it deviates from the normal temperature by 205℃, additional temperature error should be included

2. The instrument must be installed vertically and try to keep level with the measuring point. If the difference is too large, the additional error caused by the liquid column will be included, so it is not necessary to consider it when measuring gas. When installing, the explosion-proof port on the back of the box should be blocked to avoid affecting the explosion-proof performance.

3. The measuring range of the instrument in normal use: 3/4 of the upper measuring limit under static pressure and 2/3 of the upper measuring limit under fluctuation. Under the above two pressure conditions, the minimum measured value of the large pressure gauge should not be less than 1/3 of the lower limit, and all vacuum components should be used when measuring vacuum.

4. If the instrument pointer fails or the internal parts are loose or can't work normally, it should be repaired or contacted with the manufacturer for repair.

The shock-resistant pressure gauge is composed of pressure guiding system (including connector, spring tube, current-limiting screw, etc.), gear transmission mechanism, digital indicating device (pointer, dial) and shell (including shell, cover, glass, etc.).

The shell of shock-resistant pressure gauge is of airtight structure. Damping liquid (usually silicone oil or glycerin) is filled in the shell, which can resist the vibration of working environment and reduce the pulsation effect of medium pressure. The accuracy grade of pressure gauge refers to the percentage of allowable error in full scale of pressure gauge. For example, if the full range of a pressure gauge is 100MPa and the accuracy grade is 1.6, the allowable error is 100mpa× 1.6% = 1.6mpa.. When the accuracy level is 1.5, the allowable error is 100mpa× 1.5% = 1.5mpa.. According to the current standard GB/t1226-2001 "General Pressure Gauge", its accuracy level is 1.6, and the allowable error of 1.5 kinds of pressure gauges in use is 1.6, and the accuracy is etc.

Digital pressure gauge is a multifunctional pressure gauge with high measurement accuracy, stable function and simple operation.

According to the fluctuation of pressure source, this appearance selects three measuring methods: laboratory, standard working condition and disorderly working condition, and has the functions of temperature display and data automatic recording, which is widely used in the measurement of positive pressure, negative pressure and differential pressure of gas. With the leather storage appearance, the wind pressure and speed of pipeline can be measured, and it is an ideal testing appearance for environmental monitoring stations, fan pipelines, purification workshop, laboratories, air conditioning heating and fire safety inspection.

Pressure gauges are not equivalent to digital output pressure sensors. Half of digital pressure gauges are used to measure the positive pressure, negative pressure and differential pressure of the atmosphere, and they can be used together with other sensors to measure a variety of data, which is very convenient.

As a battery-powered high-precision appearance, digital pressure gauge can be used in both field and laboratory.

As for laboratory application, there is generally no demand for the protection level of digital pressure gauges. However, when it is used on site, there will be many demands. If the industrial site is messy, the protection level above IP65 is required, because the working conditions at the site are very bad. If the protection is above IP65, users will encounter other problems when operating the digital pressure gauge.

Many manufacturers at home and abroad have put a lot of effort into the display panel when designing the shell, so as to meet the requirements of protection level and facilitate the user's operation. Another protection method is to add a protective sleeve outside the shell, which can not only prevent earthquakes but also play a protective role.

Pressure gauges are widely used in petroleum, chemical industry, metallurgy, light industry, chemical fiber, food and other industrial sectors. The pressure gauge can measure the pressure of corrosive medium, and can be used in situations with severe vibration and harsh working environment. Mayante selects parts made in Germany, which are durable, novel in structural design and exquisite in technology. The stainless steel pressure gauge has high measurement accuracy, lasting stability and strong application adaptability.

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