The calibration problem
Truck scale calibration checks are performed using certified test weights. In most countries, those weights equal just a fraction of the weight of a loaded truck. That means the report only looks at a small portion of the scale's weighing range—a fraction of the actual weight you use your scale to measure. In other words, the actual weighing errors on your scale are likely 2-4 times more than the report indicates.
Here is why you should be concerned: Many scale owners lose an entire truckload of goods every 2-4 months from weighing errors, even though their scale is certified legal-for-trade. Is your scale helping your business, or harming it?