JP3709985B2 - 差圧測定装置 - Google Patents

差圧測定装置 Download PDF

Info

Publication number
JP3709985B2
JP3709985B2 JP2001357297A JP2001357297A JP3709985B2 JP 3709985 B2 JP3709985 B2 JP 3709985B2 JP 2001357297 A JP2001357297 A JP 2001357297A JP 2001357297 A JP2001357297 A JP 2001357297A JP 3709985 B2 JP3709985 B2 JP 3709985B2
Authority
JP
Japan
Prior art keywords
heating
measuring device
differential pressure
pressure measuring
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2001357297A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003156401A5 (cg-RX-API-DMAC7.html
JP2003156401A (ja
Inventor
宏康 高橋
亮 黒沢
正志 森下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP2001357297A priority Critical patent/JP3709985B2/ja
Publication of JP2003156401A publication Critical patent/JP2003156401A/ja
Publication of JP2003156401A5 publication Critical patent/JP2003156401A5/ja
Application granted granted Critical
Publication of JP3709985B2 publication Critical patent/JP3709985B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Measuring Fluid Pressure (AREA)
JP2001357297A 2001-11-22 2001-11-22 差圧測定装置 Expired - Fee Related JP3709985B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001357297A JP3709985B2 (ja) 2001-11-22 2001-11-22 差圧測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001357297A JP3709985B2 (ja) 2001-11-22 2001-11-22 差圧測定装置

Publications (3)

Publication Number Publication Date
JP2003156401A JP2003156401A (ja) 2003-05-30
JP2003156401A5 JP2003156401A5 (cg-RX-API-DMAC7.html) 2004-09-30
JP3709985B2 true JP3709985B2 (ja) 2005-10-26

Family

ID=19168660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001357297A Expired - Fee Related JP3709985B2 (ja) 2001-11-22 2001-11-22 差圧測定装置

Country Status (1)

Country Link
JP (1) JP3709985B2 (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4893917B2 (ja) * 2005-11-14 2012-03-07 横河電機株式会社 診断装置
CN100587436C (zh) * 2008-05-06 2010-02-03 中国人民解放军军事医学科学院卫生装备研究所 超压与负压防护装置监测与报警系统
US7918134B2 (en) * 2008-10-06 2011-04-05 Rosemount Inc. Thermal-based diagnostic system for process transmitter
JP6436033B2 (ja) * 2015-09-22 2018-12-12 株式会社Ｓｏｋｅｎ 水素圧力計測装置
JP2017111015A (ja) * 2015-12-17 2017-06-22 株式会社日立製作所 水素計測装置および水素計測方法
CN113324692B (zh) * 2021-07-05 2024-07-16 北京康斯特仪表科技股份有限公司 压力表及其快速校准方法和压力校准装置

Also Published As

Publication number Publication date
JP2003156401A (ja) 2003-05-30

Similar Documents

Publication Publication Date Title
US8205484B2 (en) Apparatus and method for leak testing
US4625545A (en) Method and apparatus for detecting leaks
JP3709985B2 (ja) 差圧測定装置
US5834631A (en) Leakage measurement method and apparatus using the same
CN112729420B (zh) 一种非满管流量计及其安装与使用方法
USRE33075E (en) Method and apparatus for detecting leaks
JP3178564B2 (ja) 差圧測定装置
CA1168890A (en) Monitoring the thermodynamic state of a heated liquid in a closed system
JP2020016536A (ja) 圧力検査装置および圧力検査方法
CN211347262U (zh) 一种阀门壳体泄漏的检验装置
JP4103028B2 (ja) ダイアフラムシール型差圧測定装置
JP3384457B2 (ja) 差圧測定装置
CN223192721U (zh) 一种爆破压力测试装置
US20210063331A1 (en) Dilatometer
JP3185956B2 (ja) 差圧測定装置
JPH0868709A (ja) ガス圧力検知装置
JPH0129250B2 (cg-RX-API-DMAC7.html)
JP3129100B2 (ja) 差圧測定装置
JPH0153732B2 (cg-RX-API-DMAC7.html)
CN223597119U (zh) 一种连接装置及阀门在线检测系统
CN223597115U (zh) 一种用于空调检测的快速检漏装置
JP3180512B2 (ja) 差圧測定装置
CN214502817U (zh) 一种气密性检测装置
JPS62197736A (ja) 気密検査用マスタ−熱交換器の較正方法
JP3175874B2 (ja) 差圧測定装置

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050413

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050419

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050620

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050721

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050803

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080819

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090819

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100819

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100819

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110819

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120819

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120819

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130819

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140819

Year of fee payment: 9

LAPS Cancellation because of no payment of annual fees