Judging the quality of the tensile testing machine The standard tensile testing machine can be divided into pendulum tensile testing machine and electronic tensile testing machine in the early stage. At present, the pendulum tensile testing machine is rarely used in the market, mainly accurate. Degree can not meet the current standard requirements, the purchase of tensile testing machine is to achieve national standards through QS certification, is to test their own products, improve product quality, open up the market. How to judge the quality of the tensile testing machine when purchasing, you can refer to the following four standards:
First, the sensor: Because the quality of the sensor determines the accuracy of the test machine and the stability of the force measurement, the sensor also has the size difference. The small force value of the sensor for the tensile machine on the market generally uses the S-type sensor, and the force value is generally used for the spoke. For the sensor, the inside of the sensor is generally a strain gauge. If the accuracy of the strain gauge is not high or the rubber used for fixing the strain gauge is not good enough, or the material of the sensor is not good, the accuracy and service life of the sensor will be affected.
Second, whether the peers have used: the market is an effective way to test products, the more products used in the same industry, indicating that the better the matching of the instrument and the industry, it also shows that its operation, stability, accuracy and other aspects are suitable Meet the needs of the industry.
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