Industry Trends & Engineered Solutions Library

3 Key Considerations when Choosing Capillary Tubing

Proper Tubing Selection Improves Chromatograph Performance: As laboratories and instrumentation equipment OEMs continue to drive towards more sensitive and responsive instruments, the smoothness of the inner diameter of HPLC tubing is becoming more and more critical. Most HPLC analytical columns are between 3 and 25 cm long and have an inside diameter of 1 to 5 mm. The particles that pack the columns have a typical diameter between 3 to 5 µm. Liquid 

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The Benefits of Stainless Steel Capillary Tubing

High precision, seamless stainless steel capillary tubing is used in a wide range of instrumentation measurement applications.  Based on heavy wall, small diameter construction (typically 1/8” or less), this tubing is used in critical applications from nuclear reactors to resistojets in aerospace.

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The Skinny on Instrumentation Capillary Tube

Capillaries are essential components for instrument tubing because of the accuracy and reliability needed to allow for consistent results.  Capillary tubes are typically 1/16 OD or smaller.  They are used by OEMs that make instrumentation devices such as pressure, level, flow or temperature transmitters.  Though some capillary applications are as large 1/8th OD, most are of smaller diameters and integrated with systems and devices. A pressure or level transmitter will have capillary tubing as part of its measuring loop.

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