Calibrating a scale can help you determine its accuracy! However, this process is done by using a calibration weight to compare the known weight and the weight that the scale shows.
Naturally, this brings on a number of questions. Like what can be used as a calibration weight? Well, keep reading to learn how to calibrate scales!
When testing scale calibration weight, it’s advised to use calibration weights that are comparable to what you would normally use on the scale. For example, if you have a commercial scale for produce, use calibrated weight plates that are close to the highest weight of the scale.
When trying to follow international and industrial standards, you are allowed to have some differences between the indicated weight and the test weight. However, anything that falls under this threshold is illegal!
You can use coins as a way to test your scale’s accuracy. All U.S coins have a specific weight class. For example, a penny weighs exactly 2.5 grams.
However, when using coins you need to multiply to find the total weight capacity. You can also use food packing to test your scales accuracy. All food packaging comes with a net weight (NET WT). Be aware that the NET WT is the total amount of the item without the weight of the packaging!
Therefore, if you’re using a bag of flour to test your scale, you might need to add in the weight of the packaging for the most accurate reading!
Lastly, you can use professional calibration weights for the easiest and most accurate reads! Calibration weights are all made equally and you don’t have to convert any of the weights or add or subtract the net weight and the packaging weight.
The steps for how to calibrate scales are pretty simple. First, turn the scale on and press/hold the calibrate key (CAL). Once the scale is ready, it will automatically read “0.0”.
Press and hold “CAL” again for 3 seconds or until the scale calibrates the full capacity. Once the scale is ready, place a full capacity weight set on the scale. For example, if the scale can measure up to 800g, make sure you’re using an 800g test weight!
To get the most accurate read, you can perform an eccentricity test. This test works by placing one of the calibrated weight plates in the middle of the scale. Then do the same to each quadrant of the scale.
Keeping your scale in a clean and controlled environment will diminish any calibration weight loss that leads to irregular readings. Also, if you have a battery-powered scale, make sure your batteries aren’t running low, as this could affect the reading.
And while you have the battery compartment open, clean out the area, as this could cause your batteries to not work properly!
Lastly, if you use your scale in kitchens or labs, the leftover residue could also affect the final reading. But you can use a scraper to remove any tough grime or products from your scale.
Now that you know the best calibration weight, it’s time to test your scale! Having an accurate scale is very crucial for cooking, lab testing, and much more! So don’t wait any longer and make sure your scale is in proper working condition.
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