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Digital storage oscilloscope is a kind of digital equipment with storage function, which adopts digital circuit for analog/digital conversion, and realizes the memory of the signal before triggering through the memory. In addition to the functions of an analog oscilloscope, a digital storage oscilloscope also has unique advantages such as waveform triggering, storage, display, measurement, and waveform data analysis and processing.

A height gauge is an instrument placed on a platform, ideally a granite platform, for single-axis measurements. It is a full-featured measurement system that combines a platform with an altimeter. The full-featured altimeter is mainly used for online or batch testing, and can be measured directly on one or a group of machine tools, especially for workpieces with high size requirements. It is very useful for debugging and sampling inspection during production.

The laser level is mainly used to measure the height difference of the ground benchmarking point. The laser level's working principle is to set a horizontal plane and scan the laser on this horizontal plane, and then use the receiving target to receive it. When the center of the receiving target is consistent with the elevation, it can be read according to this level. Out of the elevation; therefore, the laser level can be operated by one person. In the construction industry, the spirit level is an indispensable measuring tool, which can measure the horizontal position, vertical position, and inclination angle of equipment installation.

A particle counter is an instrument that uses the principle of light scattering to count dust particles. Light scattering is related to factors such as particle size, light wavelength, particle refractive index, and particle absorption characteristics of light. However, in terms of the intensity of the scattered light and the size of the particles, there is a basic rule that as the surface area of the particle increases, the intensity of the scattered light of the particle increases.

Carbon dioxide is a carbon oxide compound with a chemical formula of CO2 and a chemical formula weight of 44.0095. It is a colorless, odorless, or colorless and lightly sour gas at normal temperature and pressure. It is also a common greenhouse gas and one of the combinations of air (accounting for 0.03%-0.04% of the total volume of the atmosphere).

The earth resistance tester is a common instrument for testing and measuring grounding resistance, and it is also an indispensable tool for an electrical safety inspection and complete acceptance of grounding projects. Due to the rapid development of computer technology, ground resistance testers have also penetrated a large number of ground resistance tester microprocessor technology, and their measurement functions, content and accuracy are unmatched by general instruments.

Many users don't know how to operate the digital crane scale when they first use it. In the process of use, various problems may occur, which will lead to inaccurate weighing. The inability to display accurate data on the weight of objects will reduce the user's work efficiency. Next, SISCO will introduce in detail how to use the digital crane scale correctly.

Laser levels are a mainstream tool typically used in the construction and surveying industry for leveling and aligning applications. They project a constant red or green line onto a surface on a horizontal or vertical plane and can be used for anything from hanging a picture to professional building work.

The measurement of fluid density, viscosity, temperature, and pressure in the field of use will also affect the measurement accuracy of the flow meter, especially in the case of gas flow measurement, it is obvious that the viscosity change of high-viscosity liquid due to temperature changes affects the measurement accuracy. Factors such as the high center of gravity and eccentricity of the float will cause left and right swings during work, and the rapid rotation of the float off-axis in place will affect the measurement accuracy. (At this time, the flow rate is often too large, that is, the float shakes to make the flow area smaller).

Before using the spectrophotometer, the user should first understand the structure and working principle of the spectrophotometer, as well as the functions of each control knob. Before turning on the power, you should check the safety performance of the instrument. The power wiring should be firm, and the power should be good. The initial position of each adjustment knob should be correct and then press the power switch.