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A surface roughness tester is an instrument used to measure the surface roughness of an object. It evaluates the smoothness and roughness of an object's surface by measuring the tiny fluctuations on the surface. Surface roughness testers are widely used in machinery manufacturing, the automotive industry, aerospace, and other fields, and are very important for ensuring product quality and performance. This article will briefly explain its working principle so that users can better understand the surface roughness meter.

A UV meter is a tool for measuring the intensity of ultraviolet light. The working principle of the UV light meter is to use ultraviolet sensors to measure the intensity of ultraviolet light. When using the UV light intensity meter, you need to aim the sensor at the ultraviolet source, and then observe the value on the instrument display to get the measurement result of the ultraviolet intensity.

A conductivity meter is a precision instrument used to measure the conductivity of a solution. Conductivity is an indicator of the ion concentration in a solution. It reflects the ability of a solution to conduct current. It is the most commonly used electrochemical analysis method after measuring pH and is also an important indicator for measuring water quality.

The pipe blockage detector is a professional detection device, which is mainly used to detect the blockage of pipelines, containers, or other closed spaces. The use of the pipe detector can greatly improve the efficiency of pipeline maintenance and repair, and reduce the waste of manpower and material resources.

Infrared thermometer is an instrument that uses infrared radiation energy to measure the temperature of an object. It is mainly composed of an optical system, a detector, a signal processing circuit and a display device. The working principle of an infrared thermometer is mainly based on the thermal radiation characteristics of an object and the relationship between thermal radiation energy and temperature.

Impedance analyzer, also known as vector network analyzer, is a common test instrument used to measure the impedance response of a circuit or material to alternating current. It is an essential tool for most electronics, power, measurement, radio and communication professionals, and is widely used in the research and development, production and maintenance of the electronics industry. This article will introduce the principle, components and applications of impedance analyzer.

A power quality analyzer is an instrument used to measure and analyze power quality. Power quality is a particularly important parameter in industrial production and people's livelihood electricity consumption. Therefore, regular maintenance of the power quality analyzer can ensure its accuracy and precision and effectively improve the service life of the power quality analyzer.

Gaussmeter (also called Teslameter or Electromagnetic Field Detector) consists of Hall probe and measuring instrument. Hall probe generates Hall voltage due to Hall effect in magnetic field. After measuring Hall voltage, the magnitude of magnetic induction intensity can be determined according to Hall voltage formula and known Hall coefficient. Teslameter reading is in Gauss or Kilogauss.

A power quality analyzer is a device used to monitor and analyze the power quality in power systems. In modern industrial and commercial environments, the stability and quality of power supply are critical to ensuring the normal operation of equipment and improving production efficiency. Power quality analyzers monitor and analyze parameters such as voltage, current, frequency, harmonics, etc. in the power system in real time, helping users understand the power quality status, identify potential problems in a timely manner, and take appropriate measures to ensure the stable operation of the power system.

Water activity meter is an instrument used to measure the water activity in samples. It is widely used in food, medicine, feed, chemical industry and other industries. This article will introduce the principle of water activity meter in detail from the aspects of water adsorption, infrared drying method, chemical method, vapor pressure method, refractive index method, coulometric method, thermogravimetric method, Raman spectroscopy, etc.