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Some balances can measure minute samples far lighter than a single gram. The accuracy of results when weighing such small samples can often be influenced by external factors from the environment. This includes air-flow, dust & other particles in the air, and even movement around them which can cause vibrations. These effects must be cancelled out to produce the most accurate results. Even small vibrations can have a larger effect on readings than most people realise, so equipment such as anti-vibration tables are highly recommended.

An anti-vibration table is the best option when you need accurate & highly precise results every time. Vibrations can be produced by any form of movement from as small as a draught, to people walking around and even from cars driving down the road. For balances with a higher readability, these vibrations can decrease the accuracy of a sample reading. Anti-vibration tables have a robust, solid surface that is designed to decrease vibrations.

Accuracy is essential for any weighing process, especially if you use sophisticated laboratory balances to creating medicines and supplements. To ensure that high precision weighing equipment remains accurate at all times, an anti-vibration table is essential. Equipment that is inaccurate can lead to negative outcomes, from poor texture and taste in food products to ineffective or harmful substances in supplements and medicines.

Anti-vibration tables negate vibrations and movement caused by footsteps, passing vehicles, nearby construction work and drafts. Low frequency vibrations such as traffic or construction work are particularly difficult to nulify, so it's important to locate your lab as far from a road as possible if possible. Even at the top of a building however, horizontal vibrations due to wind sway and and footsteps can still cause innacuracies. Even if you cannot feel the vibrations, highly sensitive laboratory balances will most likely be able to! Not many people will have the luxury of being able to move their laboratory to another location, so an anti-vibration table is essential to provide the accurate weighing for lab balances, especially when used alongside other accessories such as draught shields.  

Balances are highly sensitive and, ideally, should be used in a room with as few disturbances as possible. Space is often at a premium in laboratories, so a metrology room may not be possible. While disturbances from air currents can be eliminated with a draft shield, the best way to compensate for movement or shock is with an anti-vibration table. An anti-vibration table prevents the transfer of motion between the tabletop and the work surface. The work surface, which is often made from stone, is separated from the tabletop by shock-absorbing rubber mounts and the table itself utilizes levelling feet to accommodate uneven flooring.

Precision balance
Precision balances offer up to 0.01g readabilities and are considered more resilient than higher-precision analytical models. In most cases these balances can be used without an anti-vibration table, but tables are recommended for professional precision balances that offer class I, II and III medical approvals. A good example of a precision balance is the Adam HCB 'Highland' Portable Precision Balance, which offers accurate, depandable weighing with a rugged design with Adam's patented ShockProtect technology.

Analytical balances
An analytical balance features a higher level of precision than standard precision models with up to 0.001g readability. These balances typically come with draft excluders or draft shields. Analytical balances often are used to weigh chemicals, medicines and food samples.

Semi-micro balance
The semi-micro balance offers up to 0.0001g readability and us used for highly sensitive weighing in medical institutions and science labs. Anti-vibration tables are strongly recommended for balances of this calibre.

Microbalance
With up to six decimal place (0.00001g) readability, the micro balance is considered the pinnacle of precision. Micro balances are extremely sensitive, used when high levels of precision and accuracy are critical. An anti-vibration table helps optimise weighing performance when using a microbalance.

What is an anti-vibration table?
An anti-vibration table is a specialist work surface that can be used to significantly reduce vibrations and disturbances whilst using highly sensitive laboratory balances, microscopes and other high-precision equipment. Anti-vibration tables are constructed out of shock-resistant materials such as granite, steel and rubber, and are typically used when conducting precise weighing experiments, testing and scientific analysis in laboratory environments.

What does an anti-vibration table do?
Anti-vibration tables negate vibrations and movement caused by footsteps, passing vehicles, nearby construction work and drafts. Low frequency vibrations such as traffic or construction work are particularly difficult to nulify, so it's important to locate your lab as far from a road as possible if possible. Even at the top of a building however, horizontol vibrations due to wind sway and and footsteps can still cause innacuracies. Even if you cannot feel the vibrations, highly sensitive laboratory balances will most likely be able to! Not many people will have the luxury of being able to move their laboratory to another location, so an anti-vibration table is essential to provide the accurate weighing for lab balances, especially when used alongside other accessories such as draught shields.  

How do anti-vibration tables work?
Anti-vibration tables are simple but effective devices that work by using a shock-absorbing material to absorb any vibrations in a lab. The shock-absorbing material prevents the transfer of of motion between your weighing surface and the tabletop or floor on which the table stands. The weighing surface, which in the case of the Adam AVT Anti-Vibration Table is made from scratch resistant dark granite, is separated from the tabletop by a rubber mount that nulifies the vibrations. There are also rubber, adjustable feet that can be used to stabalizes the table.

What are anti-vibration tables used for?
Anti-vibration tables are used in any laboratory-based environment where precision and accuracy are important:

Medical research & pharmaceutical production labs
Professional medical institutions and chemists use these tables with approved balances for accurately measuring chemicals in order to create medicines and supplements. See our range of pharmaceutical balances ideal for medicine production in pharmacies and chemistry labs.

University science labs
University science laboratories use anti-vibration equipment with balances for sensitive scientific research, density determination and chemical analysis.

Food testing facilities
Food testing facilities require highly-precise laboratory balances and anti-vibration equipment in order to accurately determine the optimum weight of food samples.