What do you think are the technical indexes of the tensile testing machine?

According to the degree of automation, it can be divided into pointer tensile testing machine: this traditional tensile testing machine has been basically eliminated by digital tensile testing machine because of its low testing accuracy and low cost performance. But in the range of small strength, it is our common tension meter, which is often used by factories to test the simple strength of small products. Because of its low price, it is still very popular. Digital tensile testing machine is also called microcomputer tensile testing machine: the test data is directly displayed on the LCD screen, and the test items are relatively fixed, which is often used for quality control in factories. Computer system tensile testing machine: it is the most common tensile testing machine, because the test data is collected by computer, and then calculated and processed by software program to get the final data that users want, and can be printed in the form of reports. Commonly used in scientific research institutions, testing institutions, new product development, etc. According to the control system, it can be divided into frequency conversion system tensile testing machine: frequency conversion motor control system is adopted, and the stretching and compression speed is controlled by frequency conversion governor. Servo system tension testing machine: servo motor control system is adopted to control the tension and compression speed and displacement more accurately. Servo motor system is a kind of servo control system, which adopts intelligent feedback operation and can be used for constant speed test, cycle test, programming test and so on.