Testing apparatus with dry wick indicator

摘要

A dry wick indicator for a vaping device comprises a detecting means for detecting a decomposition product from the vaping device, and means for producing a signal indicating a dry wick condition based on an output of the detecting means. The indicator may further comprise a discriminator 36 for comparing an output of the detector with a reference, wherein the signal is output based on a result of the comparison. The decomposition product may be formed by pyrolysis, thermal degradation or combustion of an e-liquid base, may not be present in an e-liquid from which vapour is produced, and may be selected from carbon monoxide, carbon dioxide, formaldehyde, acetone, acrolein and/or acetaldehyde. The detecting means may use non-dispersive infrared spectroscopy, Fourier transform infrared spectroscopy, colorimetric analysis and/or reversible oxidation, and/or may comprise an electromechanical cell 28 having a working electrode, a reference electrode and a counter electrode in contact with an electrolyte. A testing apparatus with means 22 for puffing the vaping device to produce a vapour is also provided, wherein the apparatus may comprise an exposure chamber 26 in which the detecting means is at least partially located.