How to Use Analytical Balances

Learn the Best Practices Step by Step

The answer to the question "How to use analytical balances" comes down to:

Proper setup of a balance
Error-free weighing data transfer
Ensuring a good cleaning procedure.

Following the steps described further on this page will help you to achieve reliable weighing results and maximize the lifetime of your analytical balance.

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1. Choose the right environment. Analytical balances are highly sensitive instruments that need the proper environment to perform well. When deciding where to place your balance, be sure to choose a place with the following:

A solid, stone table in a dedicated, low-traffic area
A vibration-free area
Away from windows and direct sunlight
Away from drafts and air conditioning
Away from electromagnetic interference

2. Connect the balance to the power supply.

3. Turn on the balance and let it adjust to the room’s temperature for at least 2 hours before using it.

4. Ensure the balance is level.

5. Set the date and time.

6. Perform an internal balance adjustment to ensure it meets its specifications.

7. Perform a calibration.

Before performing a measurement, it’s important to have the balance calibrated. Calibrating a balance involves comparing its measurement results to a known standard or reference weight. This helps to identify and correct any errors in the balance's readings, which can then ensure accurate and reliable results. This can be done by a calibration technician using specialized calibration weights. METTLER TOLEDO offers a variety of calibration and validation services, which can be tailored to your specific needs.

8. Begin weighing:

When you’re ready to begin weighing, open the draft shields and place your tare container in the center of the weighing pan.
Close the draft shield, and then hit the “tare” button to subtract the container’s weight from your final measurement result.
Carefully add the sample to be weighed, using a clean spatula or tweezers to avoid any contamination or damage to the balance or the sample.
Record the weight displayed on the balance.
For more specific tips and to further improve your weighing technique, download our “Weighing the Right Way” guide.

To transfer weighing data from your analytical balance error-free, there are different solutions available depending on your lab needs, areas and application. Check out our Laboratory Data Management Guide for detailed insights and key solutions below:

how to use analytical balances with printer

Printers

The basic way to speed up reporting and reduce transcription errors is to simply add printing capabilities to your analytical balance. Small lab printers as well as network printers offer a simple way to document and store data.

Printers For Analytical Balances

how to use analytical balance with barcode scanner

Barcode Scanners

Accuracy and lab productivity can be improved by automated sample identification, e.g., by connecting a barcode reader to the system. Sample ID data—as part of measurement metadata—can be electronically captured and transferred to the next analysis step to help eliminate sample mix-ups. Automatic matching of samples and results saves time. The solution is simple, but effective.

Barcode Scanners for Analytical Balances

Software

EasyDirect™ Balance Software enables you to collect weighing data from up to 10 balances, minimize transcription errors, store data securely, and easily review results and generate simple and clear reports in various formats (XML, CSV, XLSX or PDF).

EasyDirect Balance Software

Automated Worflows For Professionals

LabX™ software provides a complete, traceable record of results captured on METTLER TOLEDO Excellence series instruments. Linking instruments together to gather data in parallel or in sequence, it deploys fully automated experimental workflows managed in a common interface. Such full digitalization is required in pharmaceutical QC or testing labs.

Guide to Balance Cleaning: 8 Simple Steps to a Clean Balance

Standard Routine

Cleaning an analytical balance requires careful attention to prevent any damage to the sensitive components. Here are the general steps to clean an analytical balance:

Turn off and unplug the balance before cleaning to avoid electrical shock or damage to the instrument.
Open the draft shield and remove any objects or debris from the weighing pan and the surrounding areas.
Use a clean, soft, lint-free cloth or brush to wipe the balance gently.
If necessary, use a mild detergent or cleaning solution to clean any stubborn stains or residue, making sure to wipe the area with a clean, damp cloth afterward. For recommendations on which type of cleaning solutions to use for each part of your balance, download the guide linked below.
Dry the balance thoroughly with a clean, soft cloth, and leave the draft shield open to allow the instrument to air dry completely before using it again.
Never use compressed air or any other high-pressure air to blow out the balance, as it can cause damage to the sensitive components.