BS ISO 14511:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
23-01-2019
English
15-01-2002
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Specific terms
4 Selection of thermal mass flowmeters
5 Capillary thermal mass flowmeters (CTMF meter)
5.1 Principles of measurement
5.2 Typical design
5.3 Application and limitations of use
5.4 Meter selection
5.5 Installation and commissioning
6 Insertion and/or in-line thermal mass flowmeter (ITMF meter)
6.1 Principles of measurement
6.2 Typical design
6.3 Applications and limitations of use
6.4 Meter selection
6.5 Installation and commissioning
7 Instrument specification sheet and marking
7.1 User specification sheet
7.2 Manufacturer's data sheet
7.3 Marking
8 Calibration
8.1 General considerations
8.2 Use of the desired gas under process conditions
8.3 Use of a surrogate gas
8.4 In-situ calibration
8.5 Insertion-ITMF meter
8.6 Calibration frequency
8.7 Calibration certificate
9 Pre-installation inspection and testing
10 Maintenance
10.1 General
10.2 Visual inspection
10.3 Functional test
10.4 Record keeping (maintenance audit trail)
Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.