How To Calibrate A Scale With Coins. The mass should read 100.000 grams exactly. The scale's platform measures 2.5 x 3.0 inches.
After calibrating the scale, “zero out” the measuring bowl or tray by placing it on the scale and using the tare function. You have to be careful that you use a weight with the proper accuracy. It is advised to start with smaller weights first such as 5 or 10 grams.
You can calibrate your digital pocket scale by cleaning it and following the calibration steps using weights, coins, or household objects.
According to the us mint, a nickel weighs exactly 5.000 grams. Place the weight or proper number of coins on the scale's tray. Turn on the scale with the weighing tray empty, allowing the measurements to stabilise. Set the scale on a flat, level surface and turn it on.