Free Measuring Tool for Tubing and Capillary Diameters

Determine tubing sizes quickly and easily! Our free tool helps you find the suitable fitting and connector sizes for any HPLC tubing of your solvent supply or waste line. Simply measure the tubing inner/outer diameter and choose the appropriate fittings, tubing connectors or Safety Caps! Order now for free - only while stocks last.

Green Zone:

Use the green zone to measure the outer diameter of your HPLC tubing. This will help you choose the right fittings and Safety Caps for your connections. For tight connection, the outside diameter of the tubing must match the inside diameter of the fitting. The tubing goes through the fitting.

Blue Zone:

Use the blue zone to measure the inner diameter of your tubing. This will help you choose the right tube connector from the SCAT portfolio. The inner diameter of the tubing must match the outside diameter of the connector. The tubing has to be put onto the tube connector.

Please also browse our entire product range, and discover the entire system for safe supply and disposal of solvents in chromatography and labs in general.