Title:
PRESSURE MEASURING DEVICE AND PRESSURE MEASURING METHOD
Document Type and Number:
Japanese Patent JP2015068647
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To allow an output circuit to be exchanged without spending much time and many operations in radiation environment and high temperature environment.SOLUTION: At least one place among insides of a pressure introducing passage 6, a wall surface of the pressure introducing passage 6, a pressure receiving chamber wall surface 15, and a space 14 formed between a diaphragm 5 and the pressure receiving wall surface 15 is arranged with a hydrogen adsorbing material 9 that adsorbs a hydrogen atom in a sealing liquid 8 sealed in the space 14 and the pressure introducing passage 6. The output circuit 12 is detachably attached to a main body part 4 with connectors 19 and 20 so as to be connected to a pressure sensor 13.
Inventors:
FUSHIMI ATSUSHI
KUWANA RYO
NIIMA DAISUKE
HANAMI HIDEKI
HARA ISAO
KUWANA RYO
NIIMA DAISUKE
HANAMI HIDEKI
HARA ISAO
Application Number:
JP2013200137A
Publication Date:
April 13, 2015
Filing Date:
September 26, 2013
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G01L19/06; G01L13/02
Domestic Patent References:
| JP2005181317A | 2005-07-07 | |||
| JPH01248032A | 1989-10-03 | |||
| JPH07151628A | 1995-06-16 | |||
| JP2007078397A | 2007-03-29 | |||
| JP2004361159A | 2004-12-24 |
Attorney, Agent or Firm:
Shinto International Patent Office