The new XPR Automatic Balance provides accuracy, safety and speed in today’s critical laboratory workflows.
The new XPR Automatic Balance provides accuracy, safety and speed in today’s critical laboratory workflows.
Addition of a sample changer to the XPR Automatic (foreground) can enable the fully automated handling of up to 30 samples in an enclosed setting, allowing lab operators to focus on other value-added tasks.
The liquid handling module of the XPR Automatic means that manual weighing of powdered sample material need not be precise. The module will compensate, delivering perfect concentrations every time to enhance throughput, conserve solvent, and eliminate waste.

New Automatic Balance Improves Dosing Accuracy, Productivity and Safety

Feb 15 2021

Today’s laboratories are handling higher throughput and smaller sample sizes than ever before. The new Mettler-Toledo XPR Automatic Balance, which incorporates state-of-the-art active machine learning, continues to revolutionise powder weighing to deliver the accuracy, safety and ease-of-use the current marketplace demands.

Safety when weighing potentially toxic or active substances is of paramount importance in industries such as chemical, pharmaceutical and biotechnology. However, the need for safety does not eclipse the need for both accuracy and speed. The XPR Automatic Balance significantly reduces exposure risk while ensuring the exacting precision and enhanced throughput required by modern workflows.

XPR Automatic supports accuracy, repeatability and safety by dosing from an enclosed head into target vials or capsules with openings as small as six millimetres in diameter. It then uses live feedback to learn a substance’s flow characteristics and improve dispensing efficiency in real time. This can be particularly effective when combined with a sample changer that can process as many as 30 samples in one automated run.

Direct dosing reduces the kind of airborne exposure risk to lungs and eyes that spatula use represents. Spill risk is also eliminated, as is the need to repeatedly open the balance door and transfer compounds from the main container into a secondary container. The dimensions of the XPR Automatic Balance mean it can be operated with ease inside a glove box or safety enclosure, further enhancing containment.

The balance also allows manual operation. When combined with automated liquid dosing, precise concentrations are delivered every time, because solvent is added automatically based on the actual weight of weighed-in solids. This means manual powder dosing can be approximate, eliminating time-consuming scooping in or out to meet targets. Moreover, sample sizes can be reduced by up to 30% to save up to 75% of expensive or rare samples and further decreasing exposure potential.

All of the above help to reduce exposure and contamination risk, significantly increasing lab safety while maintaining goals of efficiency and accuracy.

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