The universal testing machine control system is a system that controls the operation of the testing machine. The computer can be used to control the operation of the test machine, and the status of the test machine and various test parameters can be obtained through the computer display. Function and data processing analysis can also be performed by computer to print test results. Communication between the tester and the computer is typically transmitted via a multi-function USB interface. It communicates through the serial port (COM port) on the back of the computer. The technology is mature, reliable and easy to use. Computer software is used to collect and process analytical data. After entering the test interface, the computer will continuously collect various test data, draw test curves in real time, and automatically print test result parameters and curve reports. cause: 1 During the test, the friction inside the test machine changes 2 changes in environmental humidity, etc. Cause: The electronic universal testing machine is operating incorrectly. The tester misreads the number and writes the wrong decimal point position. 1. The error of the coefficient on the instrument panel when measuring the strain by the resistance strain gauge. 2. The universal test machine indicates that the value is not accurate, and the measured force value is always too large or too small. Manual Massage Foot Spa Massager A manual massage Foot Spa Massager is a device designed to provide a relaxing and therapeutic foot massage. It is a manually operated handheld device, which means it does not require electricity or batteries to operate. The massager is made up of several parts, including the handle, rollers, and knobs.
Overall, the Manual Massage Foot Spa Massager is a great option for those who are looking for an easy and effective way to relax and soothe their feet. It's affordable, easy to use, and can provide a range of health benefits, including improving circulation, reducing stress, and relieving foot pain and discomfort.
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1. Universal testing machine random error : that is, under the same conditions, repeating multiple measurements on the same parameter, the measured values ​​obtained are not completely the same.
2. Negligible error : Error due to errors in the test work, negligence and other reasons. This kind of error is irregular and needs to be repeated by the other party to avoid.
3. Universal test machine system error : keep a certain value or a certain regular error. The systematic error is regular. This kind of law is reflected in every specific experiment. Once this law is found, it can be corrected.
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To use the manual massage foot spa massager, you simply place your foot on a flat surface and apply the massager to the soles of your feet. The rollers and nodules stimulate the nerves and muscles in the foot, providing a deep tissue massage that helps relieve tension and pain.
The massager is small and lightweight, so you can easily take it with you wherever you go. It's also easy to clean, just wipe with a damp cloth after each use.