Efficient and trackable calibration with METTLER TOLEDO manual mass comparators.

Manual Mass Comparators

For performing weight calibration ranging from 0.05 mg to 5400 kg, manual mass comparators are the most ideal choice. Manual mass comparators offer the highest accuracy in class and highest readability, thus enabling users to perform calibration with the lowest uncertainties and highest repeatability. The integrated MC Link software enables the implementation of the full process software, thus achieving error reduction and time efficiency.

With a readability of 0.1 μg to 1 mg, the XPR mass comparators from METTLER TOLEDO offer capacities of up to 64 kg. The AX premium mass comparators offer readability of 0.1 μg to 0.1 mg, with capacities of up to 12 kg. The XPE-K mass comparators deliver readability of 0.05 to 10 g, and capacities of up to 5400 kg.


METTLER TOLEDO’s AX Premium mass comparators deliver the maximum precision and accuracy within their electronic weighing range. The integrated dial weights enable this performance to be shifted, thus realizing the smallest uncertainties ranging from 1 mg to 10 kg. Thus, the AX models are the ideal choice for premium calibration laboratories.


Premium Weight Cell

The performance of AX mass comparators is driven by the use of a traditional weight cell.

Fast and Accurate Results

An automatic double draft shield and isolated electronics improve the performance of AX mass comparators. Furthermore, repeatability is improved and stabilization time is shorter.

Simplified Weight Handling

The hanging weighing pan enables the weights to be automatically aligned to the center of gravity. Eccentricity error does not appear in the results, and it is not necessary for operators to manually reposition the weights on the weighing pan.

XPR—Manual Mass Comparator

The XPR series of manual mass comparators from METTLER TOLEDO features the most advanced technology and deliver the highest weighing accuracy for determining the mass of up to 64 kg. The LevelMatic weighing pan and high resolution enable calibration to be performed quickly while maintaining peak accuracy to fulfill the highest demands in determining mass.


Innovative Technologies

Automatic static detect function, user guidance on the large touchscreen terminal, and smart quality assurance features have all been incorporated to eliminate errors and simplify the users’ processes.

Unrivaled Accuracy

The novel LevelMatic pan and hanging weighing pan avoid corner load effects, thus enhancing the accuracy of weighing results.

Secure Data Transfer

The built-in Ethernet and USB interfaces enable a more reliable and simple transfer of data to a network or peripheral devices. It is also possible to transfer data to third party software or MC Link.

XPE—K Line

The XPE-KC range of comparators from METTLER TOLEDO has been designed to handle ultimate challenges with maximum precision, for example, calibration of flow meters, filling gas cylinders, weighing high-speed train wheels or mass pieces of up to 5 tons for rail or truck scales.

Apart from full weighing ranges, all platforms include a built-in centering aid for more precise and easier placement of artifacts. All the platforms are made using high-grade steel for durable everyday precision and minimizing magnetic influences. In addition, with the standard touchscreen operation, using these comparators is as easy as using any other balance.


Unrivaled Performance

Users can perform challenging mass determination and calibrations with the highest accuracy. The XPE-KC comparators deliver excellent repeatability and ultimate resolution even at the highest loads.

Quality Users can Rely On

All the XPE-KC comparators from METTLER TOLEDO are built using high-quality steel and to meet the highest manufacturing standards to ensure a longer service life with minimum downtime.

Thanks to the ATEX II 3G c Ex ic IIC T5 approved models, users can perform challenging weighing tasks in hazardous environments at maximum accuracy.

Utmost Reliability

The built-in centering aid enables accurate placement of weights and enhanced reproducibility.

The novel LevelMatic mechanism is available as an option and avoids corner load effects, thus considerably increasing the accuracy of the weighing results.

MC Link—Mass Calibration Software

The proprietary MC Link mass calibration software available from METTLER TOLEDO comes as a standard. Users can just enter their process specifications and be sure of secure results, regulatory compliance, and full traceability. Novel features include one-click certificate printing and managing of weights and weight sets.

Secure and Efficient Mass Calibration Through MC Link



METTLER TOLEDO wants its customers to achieve the highest weight calibration results by using its superior mass comparators. Therefore, it also offers a comprehensive range of accessories.

Apart from LevelMatic and Draft Shields, which have been known to directly enhance weighing performance, users can also find supplementing tools like the Susceptometer or METTLER TOLEDO’s Climate Monitoring devices, which will make users’ everyday life in the lab more efficient and convenient.


Manual Mass Comparator Balances—Versatile and Suitable to Any Application

With the existing trend of minimizing raw materials and reducing disposal, there is a drive for weighing processes to realize the ultimate degree of accuracy. Manual mass comparators deliver convenient full weighing ranges with maximum precision. Thanks to additional functionality like automated draft shields or LevelMatic, users can achieve a safer and simplified workflow, which ensures less fatigue and optimized quality of results.

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