Title:
MANOMETER/DIFFERENTIAL MANOMETER
Document Type and Number:
Japanese Patent JPH07103839
Kind Code:
A
Abstract:
PURPOSE: To provide a manometer/differential manometer for measuring the pressure, level, flow rate, etc., of a combustible fluid requiring an explosion-proof structure in which the temperature rise in a converter is restrained by suppressing the transmission of heat from a detector to the converter.
CONSTITUTION: An air gap 22 is provided between a detecting section body 1 incorporating a manometer/differential manometer gauge 2 and a joint 7 for jointing a converter case 11 through screws a12. The gap between the joint and the converter case has dimensions satisfying an explosion-proof structure.
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Inventors:
KASAI SHOZO
HIDA TOMOYUKI
HIDA TOMOYUKI
Application Number:
JP25137793A
Publication Date:
April 21, 1995
Filing Date:
October 07, 1993
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G01L13/00; G01L19/00; (IPC1-7): G01L13/00; G01L19/00
Attorney, Agent or Firm:
Ogawa Katsuo