Описание
| Технические характеристики | |
|---|---|
|
DN:
|
15 - 25 |
|
PN:
|
40 - 63 |
|
Тип присоединения:
|
Р/Р, Ф/Ф |
|
Тип механизма:
|
Термодинамический |
|
Максимальное рабочее давление, бар:
|
40 - 63 |
|
Максимальный перепад давления, бар:
|
40 - 42 |
|
Материал корпуса:
|
Сталь нержавеющая |
|
Расход , кг/ч:
|
760 - 2000 |
|
T min окружающей среды, °C:
|
-40 |
|
T max рабочей среды, °С:
|
400 |
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Understanding COSC Certification and Its Importance in Watchmaking
COSC Accreditation and its Strict Standards
Controle Officiel Suisse des Chronometres, or the Controle Officiel Suisse des Chronometres, is the official Switzerland testing agency that attests to the precision and accuracy of timepieces. COSC certification is a mark of quality craftsmanship and trustworthiness in timekeeping. Not all timepiece brands follow COSC validation, such as Hublot, which instead follows to its proprietary demanding criteria with movements like the UNICO, attaining equivalent precision.
The Science of Exact Chronometry
The central system of a mechanized watch involves the spring, which supplies energy as it loosens. This system, however, can be prone to external factors that may impact its precision. COSC-certified mechanisms undergo strict testing—over fifteen days in various conditions (five positions, 3 temperatures)—to ensure their durability and reliability. The tests assess:
Average daily rate precision between -4 and +6 seconds.
Mean variation, peak variation rates, and impacts of thermal variations.
Why COSC Accreditation Is Important
For timepiece enthusiasts and collectors, a COSC-certified watch isn’t just a piece of technology but a proof to lasting excellence and accuracy. It symbolizes a timepiece that:
Provides exceptional reliability and precision.
Provides assurance of superiority across the whole design of the timepiece.
Is likely to maintain its worth better, making it a wise investment.
Well-known Timepiece Brands
Several well-known manufacturers prioritize COSC validation for their timepieces, including Rolex, Omega, Breitling, and Longines, among others. Longines, for instance, offers collections like the Record and Spirit, which showcase COSC-validated mechanisms equipped with cutting-edge substances like silicon balance suspensions to enhance resilience and efficiency.
Historic Background and the Development of Timepieces
The concept of the chronometer originates back to the need for accurate chronometry for navigational at sea, highlighted by John Harrison’s work in the eighteenth century. Since the official foundation of Controle Officiel Suisse des Chronometres in 1973, the certification has become a yardstick for assessing the accuracy of luxury watches, continuing a tradition of excellence in watchmaking.
Conclusion
Owning a COSC-validated timepiece is more than an aesthetic selection; it’s a commitment to quality and precision. For those valuing precision above all, the COSC validation offers peacefulness of mind, ensuring that each accredited timepiece will perform dependably under various circumstances. Whether for individual satisfaction or as an investment decision, COSC-certified timepieces stand out in the world of horology, maintaining on a tradition of meticulous chronometry.
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