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BS EN 306:1997

Current
Current

The latest, up-to-date edition.

Heat exchangers. Methods of measuring the parameters necessary for establishing the performance
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-15-1997

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
    3.1 Measurement of temperature
    3.2 Measurement of flow-rate
    3.3 Measurement of pressure
    3.4 Measurement of fluid quality
    3.5 General definitions
4 Sampling
    4.1 Sampling frequency
    4.2 Measuring sampling period
    4.3 Simultaneous reading of measurement
    4.4 Mean value calculation
5 Temperature measurement
    5.1 Purpose
    5.2 Equipment
          5.2.1 Expansion thermometers
          5.2.2 Resistance thermometers
          5.2.3 Thermocouples
    5.3 Preparations
          5.3.1 Installation
          5.3.2 Location
          5.3.3 Static measurement error
          5.3.4 Dynamic measurement error
          5.3.5 Other requirements for temperature
                  sensor installation
    5.4 Calibration
          5.4.1 Purpose
          5.4.2 Traceability
          5.4.3 Uncertainty of calibration
          5.4.4 Calibration interval
    5.5 Stability
    5.6 Presentation of temperature measurement
6 Measurement of flow-rate
    6.1 Purpose
    6.2 Equipment
          6.2.1 Common measuring methods for liquids
                  and gas
          6.2.2 Measurement methods for liquid flow-rates
          6.2.3 Measurement of two-phase flow
    6.3 Preparations
          6.3.1 Installation
          6.3.2 Location
          6.3.3 Static measurement error
          6.3.4 Dynamic measurement error
          6.3.5 Other requirements for flow meter
                  installation
    6.4 Calibration
          6.4.1 Purpose
          6.4.2 Traceability
          6.4.3 Uncertainty of calibration
          6.4.4 Calibration interval
    6.5 Stability
    6.6 Presentation of mass flow measurement
7 Measurement of pressure
    7.1 Purpose
    7.2 Measurement probes and pressure tappings
          7.2.1 Total pressure
          7.2.2 Static pressure
          7.2.3 Dynamic pressure
          7.2.4 Pressure drop
    7.3 Equipment
          7.3.1 U-tube manometer
          7.3.2 Pressure transducer
    7.4 Preparations
          7.4.1 Installation
          7.4.2 Location
          7.4.3 Static measuring error
          7.4.4 Dynamic measuring errors
          7.4.5 Other requirements for pressure tapping
                  installation
    7.5 Calibration
          7.5.1 Purpose
          7.5.2 Traceability
          7.5.3 Uncertainty of calibration
          7.5.4 Calibration interval
    7.6 Stability
    7.7 Presentation of pressure measurement
8 Fluid quality
    8.1 Purpose
    8.2 Determination of density
    8.3 Determination of specific heat capacity/
          enthalpy
    8.4 Determination of vapour ratio, (x)
    8.5 Determination of phase state
    8.6 Determination of viscosity
    8.7 Determination of mass ratios
9 Requirements for peripheral equipment and media
    9.1 Peripheral equipment
          9.1.1 Regulating system
          9.1.2 Heaters and coolers
          9.1.3 Flows
          9.1.4 Pressures
    9.2 Media
          9.2.1 Ageing
          9.2.2 Filtering
10 Test record
    10.1 Laboratory test and acceptance test

Defines methods and accuracy of measurement for temperature, pressure, fluid quality and massflow of different fluids, together with a method of determination of the pressure drops across a heat exchanger.

Committee
RHE/30
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Current

Standards Relationship
I.S. EN 306:1997 Identical
NF EN 306 : 1997 Identical
EN 306:1997 Identical
NS EN 306 : 1ED 1997 Identical
SN EN 306 : 1997 Identical
UNE-EN 306:1997 Identical
NBN EN 306 : 1997 Identical
NEN EN 306 : 1997 Identical
UNI EN 306 : 2001 Identical
DIN EN 306:1997-07 Identical

BS EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full General principles and requirements
ISO 5221:1984 Air distribution and air diffusion Rules to methods of measuring air flow rate in an air handling duct
ISO 2186:2007 Fluid flow in closed conduits — Connections for pressure signal transmissions between primary and secondary elements
BS EN ISO 9000:2015 Quality management systems. Fundamentals and vocabulary

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