The Journal of Industry and Technology

Industrial Analytical Instrumentation

Euro Technology

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Balances and weighing machines

METTLER TOLEDO's XS balance Line
delivers performance and ergonomics
to safeguard health in the workplace

The extended and improved XS balance line incorporates patented weighing technologies to ensure accurate results while the ergonomic design provides outstanding comfort to protect user health during daily tasks.

METTLER TOLEDO's newly improved XS balance line includes analytical and precision balances as well as a dual range microbalance. As a revolutionary step in balance performance, the new SmartPanā„¢ weighing pan delivers results up to twice as fast, even in a fume cupboard. On all balances, ergonomic design details mean users no longer need to suffer the stresses and strains from working for long periods in front of the balance. Barbara Bienlein, medical specialist and managing director at MedicalForce stated, "Correct posture and ergonomic processes help to avoid health conditions such as repetitive strain injuries which are common in laboratory workers."

Building on the proven technology of the SmartGridā„¢ weighing pan on the analytical balances, small platform precision balances feature the new SmartPan weighing pan and demonstrate up to twice as fast stabilization times with results repeatability improved up to two-fold, even in the turbulent weighing conditions of a fume cupboard. Minimum weight can also be significantly reduced - particularly useful when working with expensive or toxic substances. In addition, SmartPan dismantles easily; the built-in tray underneath keeps spilled substances contained for safe disposal and easy cleaning. Cleaning is much more efficient and users are protected against exposure to hazardous chemicals.

The terminal features an improved user interface for ease of operation. Shortcuts can be set up on the main screen for direct access to everyday tasks. At up to 16mm high, the large figures on the display are bright and clear to read. Eyes don't get tired and concentration remains focused on the weighing task. Figure size, contrast and brightness are all configurable to individual comfort levels. In addition, the newly developed quick-lock ErgoStand accessory, which allows the terminal to be placed at eye-level at the back of the balance, eliminates excessive bending of the neck and encourages a good working posture.

Bienlein continued, "The XS balances have made a major step forward in safeguarding users against common workplace health problems such as pains in the back, hands, arms and neck, tired and strained eyes, and irritation or illness from exposure to chemicals."

For further information, view website: 

New high performance thermal analysis products

METTLER TOLEDO have introduced two new products to the Thermal Analysis Premium portfolio, the DSC3+ and TGA/DSC 3+, for superior results on the most demanding applications. The DSC3+ features premium furnace and sensor technology, while the TGA/DSC 3+ provides trustworthy results using a high performance METTLER TOLEDO balance that allows users to analyze a wide variety of sample types up to 1600 °C.

Premium Furnace/Sensor Technology
The DSC 3+ features the latest premium furnace technology combined with cutting-edge sensor technology: the FRS 6+ for outstanding resolution and the HSS 9+ for unbeatable sensitivity. This newly developed furnace/sensor combination is the perfect solution for long-term stability and durability in the most demanding application environments. The 6th generation of bottom-bonded, surface stabilized sensors represents more than two decades of innovative technology and provides superior results in industry standard qualification tests. For example, the indium height to width ratio is improved to 19.5 mW/°C and higher than 155 mW/°C when applying data optimization. Taking all this into account, it is quite evident that the METTLER TOLEDO DSC sensors combine a number of characteristics that are unattainable with conventional sensors used in other instruments.

The investigation of very small to very large sample volumes requires variation of heating rates, crucible types and method gas to properly analyze important material parameters or transitions. The unique built-in FlexCal® technology automatically applies the correct calibration parameters to match the specified heating rate, method gas and crucible type, thus eliminating the worry associated with choosing a specific calibration between experiments. This results in faster measurements as the user does not need to repeat calibration measurements for every change of a measurement parameter as is the case with ordinary DSC instruments

The DSC 3+ is operated by the new version 14.0 STARe Thermal Analysis software with the single frequency modulated temperature technique, alternating DSC (ADSC), included and the advanced multi-frequency modulated technique TOPEM® available as an option. These techniques offer programming and evaluation possibilities and are especially useful for the separation of overlapping effects and accurate heat capacity determination. Thanks to the versatile modularity of the DSC system, each instrument can be configured according to the requirements of its intended use. Should requirements change after installation, the instrument can be upgraded as needed. This protects the initial investment. Among these available options is the combination of the DSC with a microscope for visual inspection of thermal effects or the usage of a photo calorimetry accessory to study UV-induced curing reactions.

All this makes the DSC 3+ the first choice for users that need high performance combined with versatile modularity and flexible calibration.

Versatile New Simultaneous Thermal Analyzer
The TGA/DSC 3+ features the latest XP micro- and XPU ultra-microbalances from the world-wide leader in laboratory weighing solutions. In the last two decades, METTLER TOLEDO has proudly provided the only thermogravimetric analyzer on the market that can measure up to 50 million resolution points continuously down to 0.1 µg for a 5 gram sample weight. This delivers a true dynamic range which corresponds to the maximum load of the balance and enables a wider variety of sample types to be measured in regards to mass and density. The internal calibration weights, which are used for a fully automatic motorized self-adjustment, ensure that the balance always delivers accurate and reliable results. Since no user action is required, one can never forget to calibrate the balance. In an important industry standard qualification test, the Minimum Weight determination also takes the environment in which a balance is located into account when describing the instrument performance and deciding on the appropriate starting mass for the sample.

The thermo-balance installed in the TGA/DSC 3+ typically delivers repeatability at least two times better than other thermogravimetric analyzers. The improved thermostating of the balance contributes to excellent weighing performance and precise temperature control, even when positioned adjacent to a furnace operating at very high temperatures. This guarantees reproducible results independent from changing environmental conditions in the workplace. The TGA/DSC 3+ is now available with various TGA, DTA and DSC sensors with optimized balance beams which offer better baseline quality, reliable weighing and simultaneous heat flow results at temperatures from ambient to 1100 °C or 1600 °C. This allows for complete thermal analysis in a single-step process and makes a wider application range possible. Built-in user selectable automatic buoyancy compensation eliminates the need for time-consuming baseline measurements.

Thanks to the versatile modularity of the system, each instrument can be configured according to the requirements of its intended use. Should requirements change after installation, the instrument can be upgraded as needed. This protects the initial investment. Among those options available are various interfaces for hyphenated techniques like MS, FTIR, GC/MS or a sorption accessory. All systems for evolved gas analysis (EGA) can be operated together with the sample robot for the automatic analysis of multiple samples.

METTLER TOLEDO is a leading global supplier of precision instruments and services. The Company is the world's largest manufacturer and marketer of weighing instruments for use in laboratory, industrial and food retailing applications. METTLER TOLEDO also holds top-three market positions in several related analytical instruments and is a leading provider of automated chemistry systems used in drug and chemical compound discovery and development. In addition, the Company is the world's largest manufacturer and marketer of metal detection and other end-of-line inspection systems used in production and packaging and holds a leading position in certain process analytics applications.

For  further information on METTLER TOLEDO's Thermal Analysis Excellence products, view website: 
Refer to page 132

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