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The 21823-L is a common accessory for the CPEC100 Closed-Path Eddy-Covariance System. The 21823 provides a calibration gas tubing assembly. Tubing length is user specified. The tubing assembly is for the zero calibration, CO2 span, and H2O span, so each system typically needs three of these. The tubing for the H2O span requires a Tee Connection (option -TT).
The "-L" on a product model indicates that the cable length is specified at the time of order.
Number of FAQs related to 21823-L: 4
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It is easy to learn how to cut tubing to length and swage the fittings. However, if it is preferred, order tubing assemblies cut to a specified length using pn 21823-L, Calibration Gas Tubing Assembly.
Make sure the fitting is a ¼ in. Swagelok. It is possible that it is 6 mm instead. Metric fittings can be identified by the groove on the hex body of the fitting. If the fitting is 6 mm, replace the fitting on the regulator with a ¼ in. Swagelok, or use an adapter fitting.