KERN EW-N precision balance
The KERN EW-N precision balance is a sophisticated, professional laboratory balance designed for precise weighing tasks in demanding areas such as chemistry, pharmacy, food and cosmetics. With its technical excellence and particularly user-friendly interface, the EW-N clearly stands out in direct comparison to standard balances. Professional users in particular benefit from the precise measurement results, the flexible application of different models and the extensive additional functions that are specifically tailored to the needs of modern laboratory and production workplaces.
Performance features and technology
With various model variants, the KERN EW-N precision balance covers an enormous weighing range from 220 g to 12,000 g, meeting both the requirements for maximum fine resolution and the processing of larger sample quantities. Each variant is characterised by technologically advanced sensor technology, high repeatability and practical applicability. The most important features at a glance:
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Weighing ranges: 220 g, 420 g, 620 g, 820 g, 2200 g, 4200 g, 6200 g, 12,000 g
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Readability: 0.001 g / 0.01 g / 0.1 g depending on the model selected
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Reproducibility: Precision from 0.001 g to 0.1 g depending on the model
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Linearity: ±0.002 g to ±0.2 g, depending on the measuring range
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Dimensions of weighing plate: Ø 118 mm, 170 x 142 mm or 180 x 160 mm, depending on the model
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Overall dimensions: 182 x 235 x 75 mm to 192 x 265 x 87 mm
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Robust construction: Specially designed to protect against dirt, dust and chemicals
In addition, the EW-N series allows the use of different weighing units, including grams, milligrams and carats - ideal for industries that need to accurately measure both small quantities and larger portions. Models with automatic data transfer offer seamless documentation and efficient integration into existing laboratory data management systems.
Another key feature is the menu-guided calibration function, which ensures quick adjustment and thus consistently accurate measurement results. The user-friendly membrane keypad design guarantees intuitive operation, even in hectic working environments.
Special features in practical use
Particularly noteworthy is the chemical-resistant and easy-care housing surface, which offers protection against corrosive substances, especially in experimental laboratory environments. The balance also complies with the requirements of relevant safety and quality standards, such as CE marking and ISO certification, which underlines its safety and reliability in any professional application.
Certifications and standards
The balance meets all essential standards for laboratory and industrial technology:
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CE marking: Compliance with EU directives on machine safety and electromagnetic compatibility
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ISO certifications: Guarantee of tested quality standards (e.g. ISO 9001)
- Other relevant standards in the field of electrical and measurement technology to ensure operational safety and measurement accuracy
Specific application examples
The range of possible applications is reflected in the features and selectable parameters of the EW-N series. The most common applications include:
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Analytical chemistry: Precise dosing and weighing of chemicals such as sodium chloride, ethanol or reagents for titration processes.
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Food technology: Weighing of flavourings, additives or samples for quality control and laboratory analysis in accordance with recipes.
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Cosmetics industry: Production of fine creams and emulsions through precise mixing and portioning of ingredients such as hyaluronic acid or parabens.
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Gold and precious metal trading: Reliable recording of the weight of gold bars, silver jewellery, platinum, precious stones and diamonds - ideal for professional valuation.
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Higher education and research: Use in experiments, practicals and demonstrations in the training of laboratory assistants, technicians and researchers.
FAQs about the KERN EW-N precision balance
How is calibration performed?
The device has a user-friendly, menu-guided calibration function. Calibration weights and detailed instructions can be found in the manual, so that the adjustment can be carried out quickly and safely.
What weighing units are available?
In addition to standard weighing in grams, depending on the model, the balance also supports units such as milligrams, carats and, where applicable, other specialised units. The selection is made using the controls on the front panel.
Is the housing really chemical-resistant?
Yes, the housing is specially designed to withstand acidic and alkaline chemicals as well as dust and dirt without affecting the mechanics or electronics.
Does the balance support automatic data transfer?
Some versions include factory-installed interfaces for automatic data transfer, for example via RS-232 or USB, which enables direct documentation and integration into LIMS systems.
Conclusion
The EW-N series from Kern & Sohn offers an exceptional combination of precision, versatility and suitability for everyday use in a wide range of applications, from laboratories to industrial production. Easy maintenance, chemical resistance and intuitive operation make this precision balance the ideal choice for professional requirements - wherever accurate measurement, evaluation and documentation are key.
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