| 摘要 |
PCT No. PCT/GB96/01419 Sec. 371 Date Dec. 17, 1997 Sec. 102(e) Date Dec. 17, 1997 PCT Filed Jun. 14, 1996 PCT Pub. No. WO97/00443 PCT Pub. Date Jan. 3, 1997This invention consists of breath testing apparatus 10 comprising a breath tube 11, a fuel cell housing 12 incorporating a pump system 12a, a fuel cell 13, a control and computational unit 14, and a display 15. A thermistor 22 is provided to detect the temperature of the housing 12 during measurement and the unit 14 compensates the fuel cell output in accordance with the detected temperature. |
