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An instrument for detecting a gas or measuring its concentration in a mixture, by measuring changes in thermal conductivity.
- ‘Consequently, all katharometer detectors must be carefully thermostatted and must be fitted with reference cells to help compensate for changes in pressure or flow rate.’
- ‘In construction the katharometer comprises two chambers, each with an identical thermal conductivity sensor.’
- ‘The properties of katharometers are described in relation to the analyses of binary and multi-component gas mixtures.’
- ‘In recent communications the relative effects of gases of high and low thermal conductivity on the response of katharometers to the presence of eluted substances have been considered.’
- ‘This sensor is compact and reliable for use in the cover gas hydrogen meter in place of the katharometer.’
Early 20th century: from Greek katharos ‘pure’ + -meter.
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