This machine is specifically designed for the relaxation test of materials such as steel strands, galvanized steel wires, and notched steel wires. The main unit adopts a horizontal structure, with the working space adjusted by a screw rod. The transmission system is located inside the machine base, providing high rigidity to ensure the accuracy of test results. The PC implements closed-loop control of constant speed test force and constant speed displacement, as well as program control of the testing process, allowing for seamless switching between various control modes. The computer can extrapolate test results for 1000 hours based on test data from 100 hours or 200 hours, and it can also conduct continuous tests for 1000 hours. The computer displays test force and test curves in real-time, stores and prints test results, test curves, and test reports, and can execute testing standards such as GB/T10120-2013 and GB/T5224-2014.
The DRX3030 thermal conductivity tester is a new type of testing equipment designed according to the national standard GB10294-2008 "Determination of Steady-State Thermal Resistance and Related Characteristics of Thermal Insulation Materials by Guarded Hot Plate Method". It is suitable for measuring the thermal conductivity of various homogeneous plate-like thermal insulation materials and non-good conductive materials. This machine uses a microcomputer for the automatic control system, featuring automatic control of the experimental process, temperature and power curve display, automatic data collection, and report generation, among other characteristics, making it highly intelligent. It is currently an ideal choice for conducting such testing projects in China.
The QBW series building wall steady-state heat transfer performance testing machine is developed and produced based on GB/T13475-2008 "Determination, Calibration, and Protective Heat Box Method for Steady-State Heat Transfer Properties of Building Components". It uses the principle of the protective heat box method, while also integrating the calibration heat box method. It is mainly used to measure the heat transfer coefficients and thermal resistance of various building walls, and is also suitable for testing the heat transfer coefficients of various panel insulation materials, hollow glass, laminated glass, and so on.
1. EZ series wire twisting testing machine is mainly used for: twisting tests of metal, non-metal wire, rods, steel strands, and other materials. 2. EZ series wire twisting testing machine is widely used in: material manufacturing, quality supervision, metrology quality inspection, commodity inspection industry, metallurgy, aerospace, medical devices, construction and building materials, and can also be used for teaching and research work in various engineering and technology universities.
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