Analytical instrumentation
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VICI Metronics G-Cal perm tubes in conjunction with a G-Cal calibrator offer another proven, repeatable means of generating a desired gas or vapor concentration. G-Cal perm tubes have the lowest temperature sensitivity among available similar products; the permeation rate of the polymer membrane changes only 1-3% per °C, eliminating the need for a temperature-controlled chamber in most applications. G-Cal calibrators are available with or without an oven. Models with an oven have a single fixed temperature point (35°-50°C).
PIN 27.2 Apr/May 2026
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