Manual Mass Comparators

High Performance Comparator Balances up to 5,400 kg

A mass comparator is a high performance balance that has the best possible resolution and repeatability, enabling very small differences in mass to be determined with a high degree of accuracy. Mass comparators are used to calibrate and verify masses and weights in mass metrology. A mass comparator balance can also be used for high accuracy weighing in other applications.

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Advantages of Manual Mass Comparators

Premium Weighing Cell

Mass comparator weighing cells are carefully selected for their premium weighing performance. These high-performance weighing cells are based on the latest technology and are tested extensively to ensure you get the best possible performance.

Efficient Elimination of Eccentricity Errors

The innovative LevelMatic™ weighing pan and the SmartGrid weighing pan help ensure correct placement of your artefacts on the mass comparator, thereby eliminating corner load effects and increasing accuracy.

Convenient Touchscreen Operation

The intuitive user interface provides clear icons and easy-access menus to simplify tasks and speed up operation. Your own weighing methods can be saved directly on the balance.

Quality You Can Rely On

All our manual mass comparators are made from high-quality materials to our exacting manufacturing standards and are extensively tested to ensure a long lifetime with minimal downtime.

Convenient Mass Calibration Software

Our MC Link mass calibration software ensures your results are secure and fully traceable so that you can meet your compliance requirements. Useful features include OneClick™ certificate printing and management of weights and weight sets.

Comprehensive Accessory Portfolio

Improve weighing performance with a draft shield or LevelMatic weighing pan, and simplify your daily lab operations with useful tools, such as our susceptometer and climate monitoring devices. Read more

Useful Related Links

Automatic Mass Comparators

Automate your mass comparison processes and save a significant amount of time while benefitting from even lower uncertainties. Read more

Monitor Environmental Conditions

Environmental influences must be compensated for to ensure accurate mass calibration. Our environmental monitoring systems accurately measure the surrounding temperature, humidity and pressure. Read more

High-Quality Test Weights

Routine testing with high-qualitytest weights helps to ensure ongoing accurate performance. Our OIML and ASTM weights range from 50 micrograms to 5 tons and are available in all accuracy classes, with or without a calibration certificate. Read more

Testing Mass Comparators

Testing Mass Comparator provides digital certificate or printed traceable document that proves that the required parameters were tested. The white paper answers the question how mass comparators are tested, qualified and calibrated. Read more

Learn How to Minimize Uncertainty

This white paper explains how to minimize the uncertainty caused by physical influences in order to improve the accuracy of your weighing results. Read more

White Paper - Redefining the Kilogram (kg)

This white paper explains the science behind the redefinition of the kilogram and the changes that this will have on the weighing world. Learn more about the huge overhaul of the International System of Units (SI). Read more

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FAQs

What is the difference between a manual mass comparator and a regular balance?

A mass comparator and a regular balance are built on the same principles. However, the weighing cell used in a mass comparator is carefully selected for its exceptional performance, particularly in terms of its repeatability specifications. In general, the repeatability of a mass comparator is better than that of a regular balance. Comparator balances are often equipped with self-centering weighing pans, called LevelMatic. These special weighing pans automatically adjust to the center of gravity of the weight, eliminating eccentricity errors. These features, coupled with the high repeatability, make comparator balances particularly suited to mass calibration and mass verification applications. However, an increasing number of customers are choosing a manual mass comparator when they require a high level of weighing accuracy.

What is the difference between a window- and a full-range mass comparator?

While a full range comparator can determine any weight up to its maximum capacity, the window-range comparator can weigh only in a window around its target range. However, due to the smaller weight range, window-range comparators have the better repeatability and readability.

Why are mass comparators called comparators?

Mass comparators as the name implies, are made to compare masses. Namely, a test weight with an unknown weight is compared with a reference weight with a well-known weight. Some comparators are specifically made to compare weights, the so-called window-range comparators, others are simply balances with exceptional weighing performance.

What instruments are compatible with the METTLER TOLEDO Susceptometer?

The METTLER TOLEDO Susceptometer is compatible with several instruments, including the XPR6UD5, XPR6U, XPR10, and XPR10U. These balances allow for seamless integration and precise measurements when assessing the magnetic susceptibility of weights.

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Manual Mass Comparators

High Performance Comparator Balances up to 5,400 kg

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