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Phase Testers, also known as Phase Sequence Testers or Phase Rotation Testers, are electrical testing devices used to determine the phase sequence (order) and phase rotation (direction) of the voltage in a three-phase electrical system. Phase rotation and sequence are critical factors in ensuring the proper and safe operation of motors, machinery, and electrical equipment in three-phase systems.

A sound level meter (SLM) is an instrument (usually hand-held) used to measure sound levels in a standardized manner. It responds to sound in much the same way as the human ear and can objectively measure sound pressure levels.A sound level meter is an instrument used to measure the intensity of sound, and it is important in many different fields and applications. The machine manufacturing industry has taken the noise as one of the important quality indicators of the product, auditoriums and gymnasiums, and other buildings do not only require the shape of the beautiful but also the pursuit of acoustics, all of which makes the sound level meter is more and more widely used. The buildings such as auditoriums and gymnasiums not only require beautiful shapes but also pursue acoustic effects, which make the application of sound level meters more and more widely.

A hardness tester is an instrument designed to measure the hardness of a material, which is the material's resistance to permanent deformation, indentation, or scratching. Hardness testing is commonly used in various industries, including metallurgy, manufacturing, engineering, and quality control, to assess the hardness characteristics of materials. In this article, sisco will list the price of corded circular saws for your reference.

A hardness tester is an instrument used to measure the hardness of materials, commonly employed in hardness testing of various materials such as metals, plastics, and rubber. However, due to prolonged use or improper operation, the hardness tester may encounter some issues. In this article, sisco will introduce common problems with hardness testers and their corresponding solutions to help users better maintain and utilize hardness testers.

A bimetallic thermometer is a common sensor used for measuring temperature. It is composed of two different metals stacked together, and their slight deformation due to differential expansion rates caused by temperature changes is used to measure temperature. In this article, sisco will introduce the working principle, structure, features and applications of bimetallic thermometers.

A laser distance meter is an instrument that accurately measures the distance to a target using laser technology. During operation, the laser distance meter emits a thin laser beam towards the target, and the reflected laser beam is captured by photoelectric components. The timer measures the time it takes for the laser beam to travel from emission to reception, calculating the distance from the observer to the target. Laser distance meters are known for their lightweight, compact size, simple operation, speed, and high accuracy, with an error rate only one-fifth to a few hundredths compared to other optical range finders. In this article, sisco will introduce the working principles of laser distance meters for a better understanding.

The phase tester is a measuring instrument that can measure the phase difference and time difference of synchronous signals in the power system. It is mainly used to detect the synchronization of circuits in the power system, ensuring the stable operation of the power system. It is also used to detect the synchronization between load power and power stations, ensuring safe synchronous operation. The phase tester has memory capabilities and can store multiple measurement data for convenient debugging and analysis. In this article, sisco will provide you with a detailed introduction to the usage method of the phase tester to help you make better use of it.

Laser Distance Meters (LDMs) are handheld devices that use laser technology to measure distances accurately. They operate on the principle of emitting a laser beam towards a target object and measuring the time it takes for the beam to reflect off the object and return to the device. By calculating the time of flight and considering the speed of light, these devices provide precise distance measurements. Laser distance meters are commonly used in various industries, including construction, surveying, and real estate, offering a quick and efficient alternative to traditional measurement tools like tape measures. Laser distance meters, also known as laser rangefinders or laser distance measurers, operate based on the principle of time-of-flight. The basic idea is to measure the time it takes for a laser pulse to travel to a target and back, and then use this information to calculate the distance.

A gloss meter is an instrument used to measure the degree of surface gloss on objects such as plastics, inks, paints, coatings, marble, granite, and coated surfaces. It finds extensive application in industries such as chemical raw materials, coatings manufacturing, automotive, electronics, electrical appliances, and other fields requiring specialized measuring instruments. High-precision gloss meters are categorized into high gloss, medium gloss, and low gloss types based on the measurement angle. In this article, Sisco will introduce the working principle, usage, application range, and precautions for testing gloss meters to help you gain a better understanding of this instrument.

Linear scale is a kind of sensor widely used in measurement and positioning systems, which realizes high precision measurement by detecting the phase change of light. This linear scale usually consists of a light source, a grating, a detector, and a signal processing unit, and has the advantages of high precision and fast response speed. The following is a detailed article from the sisco store about the working principle of linear scale.