The fact is, some equipment just isn’t made for high-accuracy industrial use. Many consumer-grade tools are perfect for home and low-impact projects but will quickly fail under harsh industrial conditions. This is especially true in high-accuracy situations.
Main Quality-Related Issues:
- Cheaply constructed equipment will wear faster and is more likely to fail calibration due to drift.
- Just because equipment can display a value does not mean they are correct. Low-resolution equipment extended past its abilities can give a false sense of accuracy. Any resolution greater than the manufacture’s recommendations has a high degree of uncertainty and is basically an educated guess on the part of the instrument.
- Due to cheaper components, the zero value of lower-quality measuring equipment has a higher tendency to creep after holding a measurement for an extended time.