Introduction to accredited calibration in accordance with ISO 17025. Explanation of the differences from general calibration.
This introduces the differences between accredited calibration based on ISO 17025 and general calibration. You will clearly understand the differences between these two types of calibration certificates and the points to consider. Your measuring instrument can undergo accuracy verification and calibration at WIKA's calibration lab. Calibration can be performed either as general calibration or ISO 17025 accredited calibration. In both cases, the calibration results are documented in a calibration certificate, and a calibration sticker is affixed to the calibrated instrument. Only ISO 17025 accredited calibration guarantees that testing is conducted using testing equipment certified by an international accreditation body. The traceability system diagram is structured to show the hierarchy from the standard instruments used in the inspection factory to the testing standards and national standards. Measurement uncertainty is documented by clarifying not only factors of measurement error such as hysteresis and variation but also measurement deviation and the uncertainty of the standard instrument. Compared to general calibration, ISO 17025 accredited calibration is more accurate, widely applicable, and internationally recognized. For general calibration, the difference in the measuring instrument is determined by considering only hysteresis. Calibration at the time of factory shipment is issued as an inspection certificate in accordance with DIN / EN10204.
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WIKA's calibration lab is accredited for the calibration of pressure, temperature, current, voltage, and resistance in accordance with ISO17025. For more details about our calibration lab or on-site calibration by WIKA's calibration van, please visit the WIKA website.
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It has a track record of use mainly in general industrial applications across various industries such as petrochemicals, semiconductors, automotive, pharmaceuticals, food, and machinery equipment.
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"WIKA" is a global manufacturer of measurement instruments headquartered in Germany. For over 70 years, it has maintained a top-class market share in measurement instruments as a specialized manufacturer in the global market. It is the number one manufacturer in Europe for measurement instruments, including pressure gauges and thermometers, widely used in the manufacturing industry, such as plant equipment, and is among the top manufacturers in the world. Currently, it operates in over 40 countries worldwide and boasts a total workforce of 9,000 employees, making it a global company. The Japanese branch has seen a steady increase in performance and has a track record of transactions with major companies across a wide range of industries, including large heavy industry manufacturers. The brand power and product strength are so high that it is often said, "Measurement instruments are WIKA." With bases in over 40 countries, as Japanese companies become more active in expanding overseas, the demand has also increased, and the company's strength lies in its ability to handle everything, including follow-up after product installation. Because it offers a wide range of products not found in other competitors, it can provide comprehensive solutions to meet customer needs.