| 摘要 |
A thermometer comprising an indicator, recording or control section and a measuring section coupled therewith comprising a closed system comprising a gas container, a Bourdon tube and a capillary, said measuring portion comprising a gas under increased pressure, whereby the increased initial pressure has a value above which, upon isothermical pressure increase, the gas is subjected to a reduction in compressibility. The Bourdon tube is made of a hardened chromium-molybdenum alloyed steel. |
