laboratory balance Electronic Analytical Balance
electronic analytical scale balance Analytical balances are precision measuring instruments used in quantitative chemical analysis, to determine the mass of solid objects, liquids, powders and granular substances. Today, electronic balance use the principle of magnetic force restoration, offering readability up to .0001 g.
Industries That Use Analytical Balances
The precise measurements offered by an analytical scale makes it a critical piece of equipment for any sector that relies on quantitative chemical analysis. They are available in various shapes and sizes and can display readouts in various units, making them suitable for a wide range of industry applications.
These include pharmaceutical, food, plastics and chemical manufacturing, quality assurance labs and calibration laboratories, etc. No matter what type of analytical method you use, analytical balance precision and accuracy are essential for weighing samples as well as reagents for solution preparation.
Using an Analytical Lab Balance
The first step is to prepare the balance for weighing your sample, by leveling and zeroing it. Check whether the leveling bubble on the weighing chamber’s floor is centered, or adjust the leveling screws located underneath. Then, close the chamber doors and briefly press down on the control bar till a row of zeros is displayed.
Solid objects can be weighed directly on the balance pan, by opening the chamber doors and placing the object on the pan. The readout will be displayed after you close the doors.
Use the appropriate container for weighing liquids, powders, or granular substances. Start by placing the container on the pan and zeroing the balance. Then, carefully add the sample (either directly, or by removing the container and making sure the control bar is untouched), close the doors and check the readout.
If any chemicals have spilled on the balance, it should be cleaned thoroughly. Shut it down (by gently raising the control bar) after you’re done using with your weighing procedures for the day.
These sensitive devices are easily affected by air currents, temperature and other physical variables, so they are enclosed or shielded to reduce exposure. Still, the enclosures will not be able to protect them completely.
Best Location for an Analytical Balance
These sensitive devices are easily affected by air currents, temperature and other physical variables, so they are enclosed or shielded to reduce exposure. Still, the enclosures will not be able to protect them completely.
You need to ensure they’re placed in a secure location that is quiet, clean, temperature-controlled and draft-free.
If the building floor isn’t level, the analytical scale should be placed near an outside wall to reduce misalignment issues.
They should be placed on a sturdy and level weighing table, with a cork or rubber layer to absorb vibrations.
For higher accuracy and readability, use a balance with a self-correct feature or additional filters against physical influences.
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