GAS CONCENTRATION DETECTING TAPE, GAS CONCENTRATION MEASURING INSTRUMENT, AND CARTRIDGE AND CASE FOR THE GAS CONCENTRATION MEASURING INSTRUMENT

摘要

PROBLEM TO BE SOLVED: To provide a gas concentration measuring instrument that is superior in handleability, easy to store, and continuously usable.;SOLUTION: The gas concentration measuring instrument 10 is provided with a case 11 and a cartridge 12. The cartridge 12 includes a gas concentration detecting tape 25, formed by sealing gas detection elements 37 reacting with ozone gas to discolor in a plurality of sealed spaces formed between a conveyor tape 27 and a protection tape 28; a tape-feeding mechanism 40 intermittently feeding out the gas concentration detecting tape 25 from a tape supply reel 26; a protection tape release mechanism 41 for releasing the protection tape 28 from the conveyor tape 27; and a conveyor tape feeding roller 31 for guiding the gas concentration detection elements 37 to an opening 13 of the case 11.;COPYRIGHT: (C)2008,JPO&INPIT