Title:
TEMPERATURE FIXED-POINT CELL, TEMPERATURE FIXED-POINT DEVICE AND CALIBRATION METHOD FOR TEMPERATURE GAUGE
Document Type and Number:
Japanese Patent JP2005315642
Kind Code:
A
Abstract:
To provide a temperature fixed-point cell which can realize a fixed point in a temperature zone ranging from 1,100°C to over 3,000°C, and can prevent a crack from occurring in a crucible when used.
The temperature fixed-point cell is made up of the crucible whose element is carbon, and a fixed-point material enclosed in the crucible. The fixed-point material of the temperature fixed-point cell is made of a porous body including carbon powder wherein an eutectic of carbon and a metal or metal carbide exists.
Inventors:
YAMADA YOSHIRO
Application Number:
JP2004131756A
Publication Date:
November 10, 2005
Filing Date:
April 27, 2004
Export Citation:
Assignee:
NAT INST OF ADV IND & TECHNOL
International Classes:
G01K15/00; (IPC1-7): G01K15/00
Domestic Patent References:
| JP2987459B1 | 1999-12-06 | |||
| JP3404531B2 | 2003-05-12 | |||
| JP2003227764A | 2003-08-15 |