Classification Information
Gas analysis equipment for detecting the presence of gas, namely, residual gas analyzers, gas detectors, measuring apparatus, namely, dust meters for measuring dust, flow meters, and residual gas analyzers being gas analysis systems consisting of analyzer units, gas conditioning systems comprised primarily of gas coolers, gas pumps, condensation pumps, flow meters, filters, humidity sensors and alkali and sulfur removers, and probe systems comprised primarily of heated and non-heated gas sample probes, probe filters, compressed air probe cleaners, heated and cooled protective probe tubes and heated and cooled gas sampling lines
Electrical and Scientific Apparatus