How do you maintain a triple beam balance?

How do you maintain a triple beam balance?

Maintenance: Keep the triple beam balance clean at all times to maximize longevity. Most debris is easily moved using a can of compressed air. Never apply lubricants to the knives or bearings.

Why is it important to zero your balance before you mass something?

The mass of substance taken is determined by subtracting the second reading from the first. When weighing by difference an exact zeroing of the balance is not required because any error in initial reading will cancel when subtraction of the readings occurs.

How often should you calibrate a balance?

If your scales are used multiple times throughout the day, every day of the week, normal wear and tear will occur faster than in scales that are used a few times per week. Therefore, if you use these scales more frequently, they should be calibrated more frequently — perhaps monthly.

What can I calibrate my scale with?

Place a calibration weight, a U.S. coin, or household item on your scale. As long as you know the exact weight of the item, you can use it to calibrate the scale. If you don’t know the exact weight, don’t use the item to calibrate the scale as it can be harmful for the scale if the item is too heavy.

How often should the weights on a Class A balance be calibrated?

every two years

Why is it important to calibrate a clock type weighing scale?

As with any measurement instruments, weighing instruments should also be calibrated regularly to assure that they are measuring correctly and accurately. A proper metrologically traceable calibration is the only way to know how accurately weighing instruments are measuring.

How do you fix an inaccurate digital weighing scale?

#1 Every time a digital scale is moved it needs to be calibrated.

1. Place the scale back on a hard, flat surface (see #2 below for optimal flooring surfaces).
2. With one foot, press the platform of the scale so that numbers appear on the display.
3. Wait for the scale to turn off again.
4. Your scale is now calibrated.

How much weight do you need to calibrate a scale?

Objects That Weigh 10 Grams If you have 20 nickels, or 40 pennies, you have 100 grams that you can use for calibration. Place the coins on the scale and observe the reading. The mass should read 100.000 grams exactly. If the reading is any more or less than 100.000 grams, you again can determine a calibration value.