Industrial and scientific measurement requires accuracy and reliability, and unfortunately this product did not deliver. Thanks to my knowledge gained in practice, I was able to identify that the measuring graduation was inconsistent and unreliable. The initial affordability was appealing, but the cost of misread measurements outweighed the savings. The only pro was the easy-to-read display, but it ultimately didn't matter when the measurements were inaccurate. Save yourself the trouble and invest in a higher-quality product.