CSA Z234.1 : 0
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
METRIC PRACTICE GUIDE
Hardcopy , PDF
31-10-2012
English
Technical committee on international system of
units (SI)
Preface
0 Introduction
0.1 General
0.2 International authorities
0.3 Examples of CGPM and CIPM decisions
1 Scope
2 Definitions, abbreviations, and reference
publications
2.1 Definitions
2.2 Abbreviations and acronyms
2.3 Reference publications
3 Quantities and units
3.1 Physical quantities, units, and numerical
values
3.2 Physical equations and coherence
4 International system of units (SI)
4.1 General
4.2 Base units
4.3 Derived units
4.4 SI prefixes
4.5 Rules for writing unit names and symbols
4.6 Rules for writing quantities
4.7 Use of SI units and their multiples
4.8 Units formed by multiplication or division
4.9 Rules for writing numbers
5 Units outside the SI
5.1 General
5.2 Units used with the SI
5.3 Units that shall not be used with the SI
6 Explanatory notes on some quantities and units employed
in science and technology
6.1 General
6.2 Length
6.3 Area
6.4 Volume
6.5 Velocity and speed
6.6 Acceleration
6.7 Mass
6.8 Density
6.9 Force
6.10 Stress, pressure, and vacuum
6.11 Second moment of area
6.12 Viscosity
6.13 Permeance and permeability
6.14 Energy and work
6.15 Loads, loadings, and capacities
6.16 Power
6.17 Temperature
6.18 Coefficients of expansion
6.19 Heat transfer
6.20 Heat capacity
6.21 Entropy
6.22 Specific enthalpy
6.23 Electric charge
6.24 Electric resistance, reactance, and impedance
6.25 Electric conductance, susceptance, and admittance
6.26 Level of quantity
6.27 Amount of substance
6.28 Concentration
6.29 Nuclear cross-section
6.30 Time-related phenomena
6.31 Dose equivalent
7 Recommended units and quantity symbols
8 Other Canadian legal units
8.1 General
8.2 Quebec
9 Conversion factors
9.1 Conversion factors
9.2 Acceleration
9.3 Area
9.4 Capacity
9.5 Concentration
9.6 Density
9.7 Electricity and magnetism
9.8 Energy
9.9 Force
9.10 Heat (flow, capacity, and conductivity)
9.11 Length
9.12 Light
9.13 Mass
9.14 Mass per unit area
9.15 Mass per unit length
9.16 Moment of inertia
9.17 Momentum
9.18 Momentum, angular
9.19 Nuclear
9.20 Permeability
9.21 Power
9.22 Pressure or stress (force per unit area)
9.23 Temperature
9.24 Time
9.25 Torque (moment of force)
9.26 Velocity (speed)
9.27 Viscosity (also named dynamic viscosity)
9.28 Volume
9.29 Volume rate of flow
9.30 Weight
10 Conversion of numerical values
10.1 General
10.2 Terminology
10.3 Significant digits
10.4 Uncertainty of measurement
11 Manipulation of numerical data
11.1 General
11.2 Rounding of data
11.3 Exact counts
11.4 Addition or subtraction
11.5 Multiplication or division
Appendices
A - Administrative structure resulting from the metre convention
B - Summary of the basic SI rules
C - Internet resources
D - Equations, coherence, and conversion factors
E - Definitions of the SI base units
F - Conversions Procedures
Index
This is a guide for the application of International Systems of Units (SI). It contains information on SI units, recommended application of multiples and sub-multiples of the units, conversion factors that relate the SI to other systems of units, up-to-date terminology concerning the names of quantities, dual dimensioning, and conversion and rounding data.
DevelopmentNote |
Supersedes and renumbers CSA CAN3 Z234.1 (07/2004)
|
DocumentType |
Standard
|
Pages |
108
|
PublisherName |
Canadian Standards Association
|
Status |
Withdrawn
|
Supersedes |
ANSI Z21.69 : 2015 | CONNECTORS FOR MOVEABLE GAS APPLIANCES |
17/30293100 DC : 0 | BS ISO 19882 - GASEOUS HYDROGEN - THERMALLY ACTIVATED PRESSURE RELIEF DEVICES FOR COMPRESSED HYDROGEN VEHICLE FUEL CONTAINERS |
CSA 6.8 : 2005 | PILOT GAS FILTERS |
CSA A123.3 : 2005 : R2015 | ASPHALT SATURATED ORGANIC ROOFING FELT |
CGA 6.14 : 2015 | AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES |
CSA 4.6 : 2007 : INC : ADD A : 2010 : R2012 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
CSA/ANSI Z83.4-2017/CSA 3.7-2017 | Non-recirculating direct gas-fired heating and forced ventilation appliances for commercial and industrial application |
ANSI Z21.87 : 2007 : R2012 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
CSA A123.3 : 2005 | ASPHALT SATURATED ORGANIC ROOFING FELT |
CSA B78.2 : 0 | DIMENSIONING AND TOLERANCING OF TECHNICAL DRAWINGS |
API MPM CH15 : 2001(R2015) | MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 15: GUIDELINES FOR THE USE OF THE INTERNATIONAL SYSTEM OF UNITS (SI) IN THE PETROLEUM AND ALLIED INDUSTRIES |
CSA/ANSI Z21.18 : 2007 : INC : ADD B : 2012 : R2017 | GAS APPLIANCE PRESSURE REGULATORS |
CSA Z364.1.1-Z364.1.2 : 0 | HAEMODIALYZERS, HAEMOFILTERS, AND HAEMOCONCENTRATORS/EXTRACORPOREAL BLOOD CIRCUIT FOR HAEMODIALYZERS, HAEMOFILTERS, AND HAEMOCONCENTRATORS |
ANSI Z21.77 : 2005 : R2015 | MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 4.4 : 2015 | RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS |
CSA A123.1-A123.5 : 2005(R2015) | ASPHALT SHINGLES MADE FROM ORGANIC FELT AND SURFACED WITH MINERAL GRANULES/ASPHALT SHINGLES MADE FROM GLASS FELT AND SURFACED WITH MINERAL GRANULES |
CSA Z223.1 : 0 | METHOD FOR THE DETERMINATION OF PARTICULATE MASS FLOWS IN ENCLOSED GAS STREAMS |
CGSB 39.21 : 1998 | DIEMAKERS', MACHINISTS' AND CYLINDER SQUARES |
CSA 6.23 : 2005 | MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS |
CSA/ANSI Z83.25 : 2017 | DIRECT GAS-FIRED PROCESS AIR HEATERS |
ANSI Z83.20 : 2016 | GAS-FIRED TUBULAR AND LOW-INTENSITY INFRARED HEATERS |
CSA 2.3 : 2016 | GAS-FIRED CENTRAL FURNACES |
IEEE C57.144 : 2004 | GUIDE FOR METRIC CONVERSION OF TRANSFORMER STANDARDS |
CSA/ANSI Z21.40.1 : 1996 : R2012 | GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES |
CSA 1.8 : 2016 | GAS FOOD SERVICE EQUIPMENT |
CSA/ANSI Z21.80 : 2011 : INC : ADD A : 2012 : R2016 | LINE PRESSURE REGULATORS |
CSA 6.10 : 2015 | CONNECTORS FOR GAS APPLIANCES |
CSA 4.6 : 2007 : INC : ADD A : 2010 : R2016 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
CSA 6.16 : 2015 | CONNECTORS FOR MOVEABLE GAS APPLIANCES |
CSA/ANSI Z21.80 : 2011 : INC : ADD A : 2012 | LINE PRESSURE REGULATORS |
CSA S473 : 2004 | STEEL STRUCTURES |
ANSI Z21.92 : 2001 : INC : ADD A : 2005 : R2012 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA/ANSI Z21.15 : 2009 : INC : ADD A : 2009 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
ANSI Z21.92 : 2001 : R2012 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
ANSI Z21.87 : 2007 : INC : ADD A : 2010 : R2012 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
ANSI Z21.17 : 1998 : INC : ADD A : 2008 : R2014 | DOMESTIC GAS CONVERSION BURNERS |
CSA/ANSI Z21.18 : 2007 : INC : ADD B : 2012 | GAS APPLIANCE PRESSURE REGULATORS |
CSA C49.1 : 0 | ROUND WIRE, CONCENTRIC LAY, OVERHEAD ELECTRICAL CONDUCTORS |
W48-18 | Filler metals and allied materials for metal arc welding |
CSA 6.29 : 2001 : INC : ADD B : 2010 : R2016 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 2.6 : 2016 | GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES |
ANSI Z83.11 : 2016 | GAS FOOD SERVICE EQUIPMENT |
CSA/ANSI Z21.18 : 2007 : R2012 | GAS APPLIANCE PRESSURE REGULATORS |
CSA C17 : 1984 : R2004 | ALTERNATING-CURRENT ELECTRICITY METERING |
CSA 6.3 : 2007 | GAS APPLIANCES PRESSURE REGULATORS |
CSA C17 : 1984 : R2008 | ALTERNATING-CURRENT ELECTRICITY METERING |
CSA Z243.302 : 1991 : R2013 | TRADE DATA ELEMENTS DIRECTORY (UNTDED 1990) |
CSA 6.8 : 2005 : INC : ADD A : 2010 : R2015 | PILOT GAS FILTERS |
CSA/ANSI Z21.40.1 : 1996 : INC : ADD A : 1997 : R2017 | GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES |
CSA C17 : 1984 : R2015 | ALTERNATING-CURRENT ELECTRICITY METERING |
CSA/ANSI Z21.60-2017/CSA 2.26-2017 | Decorative gas appliances for installation in solid-fuel burning fireplaces |
ANSI Z21.87 :2007 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
ANSI Z21.92 : 2001 : INC : ADD B : 2010 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
ANSI Z21.78 : 2010 : R2015 | COMBINATION GAS CONTROLS FOR GAS APPLIANCES |
CSA/ANSI Z21.15 : 2009 : INC : ADD B : 2013 : R2014 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
ANSI Z21.22 : 2015 | RELIEF VALVES FOR HOT WATER SUPPLY SYSTEMS |
CSA B78.5 : 93(R2000) | COMPUTER-AIDED DESIGN DRAFTING (BUILDINGS) |
CSA 6.22 : 2011 : ADD 1 : INC : ADD A : 2012 | LINE PRESSURE REGULATORS |
CSA 6.22 : 2011 : INC : ADD A : 2012 : R2016 | LINE PRESSURE REGULATORS |
CSA/ANSI Z21.18 : 2007 : INC : ADD A : 2010 | GAS APPLIANCE PRESSURE REGULATORS |
CSA/ANSI Z21.18 : 2007 | GAS APPLIANCE PRESSURE REGULATORS |
CSA C22.2 No. 139 : 2013 : R2018 | ELECTRICALLY OPERATED VALVES |
CSA 6.20 : 2010 : R2015 | COMBINATION GAS CONTROLS FOR GAS APPLIANCES |
CSA 6.20 : 2010 | COMBINATION GAS CONTROLS FOR GAS APPLIANCES |
CSA 9.1 : 2009 : INC : ADD B : 2013 : R2014 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
CSA 6.29 : 2001 : INC : ADD B : 2010 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 6.29 : 2001 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 9.1 : 2009 : INC : ADD A : 2012 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
CSA/ANSI Z83.8 : 2016 | GAS UNIT HEATERS, GAS PACKAGED HEATERS, GAS UTILITY HEATERS, AND GAS-FIRED DUCT FURNACES |
CSA 9.1 : 2009 : INC : ADD B : 2013 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
CSA 6.29 : 2001 : INC : ADD B : 2010 : R2012 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 9.1 : 2009 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
API MPM CH15 : 2001 | MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 15: GUIDELINES FOR THE USE OF THE INTERNATIONAL SYSTEM OF UNITS (SI) IN THE PETROLEUM AND ALLIED INDUSTRIES |
CSA/ANSI Z21.18 : 2007 : INC : ADD A : 2010 : R2012 | GAS APPLIANCE PRESSURE REGULATORS |
CGSB 88.22 : M88 | METRIC SCALE RULES |
CSA Z259.3 : 0 | LINEMAN'S BODY BELT AND LINEMAN'S SAFETY STRAP |
CGA 6.23 : M95 ADDENDA B 2004 | MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS |
CSA A453 : 0 | ENERGY PERFORMANCE EVALUATION OF SWINGING DOORS |
CSA A123.3 : 2005 : R2010 | ASPHALT SATURATED ORGANIC ROOFING FELT |
ANSI Z21.77 : 2005 | MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS |
CSA Z243.302 : 1991 : R2003 | TRADE DATA ELEMENTS DIRECTORY (UNTDED 1990) |
CSA/ANSI Z21.15 : 2009 : INC : ADD B : 2013 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
ANSI Z21.92 : 2001 : INC : ADD B : 2010 : R2016 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
ANSI Z21.78 : 2010 | COMBINATION GAS CONTROLS FOR GAS APPLIANCES |
CSA/ANSI Z21.15:2009 | MANUALLY OPERATED GAS VALVES FOR APPLIANCES, APPLIANCE CONNECTOR VALVES AND HOSE END VALVES |
CSA 6.3 : 2007 : INC : ADD A : 2010 | GAS APPLIANCES PRESSURE REGULATORS |
ANSI Z21.87 : 2007 : INC : ADD A : 2010 : R2017 | AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS |
ANSI Z21.92 : 2001 : INC : ADD B : 2010 : R2012 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
ANSI Z83.20-2016/CSA 2.34-2016 | Gas-fired tubular and low-intensity infrared heaters |
CSA 6.22 : 2011 | LINE PRESSURE REGULATORS |
AGA XQ0310 : 0 | AGA REPORT NO. 10 - SPEED OF SOUND IN NATURAL GAS AND OTHER RELATED HYDROCARBON GASES |
CSA C22.2 No. 139 : 2013 | ELECTRICALLY OPERATED VALVES |
API MPM CH15 : 2001 : R2007 | MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 15: GUIDELINES FOR THE USE OF THE INTERNATIONAL SYSTEM OF UNITS (SI) IN THE PETROLEUM AND ALLIED INDUSTRIES |
CGA 6.8 : M95 ADDENDA B 2000 | GAS FILTERS ON APPLIANCES |
CGSB-157.3 : M91 | LIQUID FLOW MEASUREMENT IN OPEN CHANNELS - ESTABLISHMENT AND OPERATION OF A GAUGING STATION |
CSA 6.23 : 2005 : R2015 | MANUALLY OPERATED PIEZO-ELECTRIC SPARK GAS IGNITION SYSTEMS AND COMPONENTS |
CSA/ANSI Z21.80:2011 | LINE PRESSURE REGULATORS |
CSA 6.3 : 2007 : INC : ADD B : 2012 : R2016 | GAS APPLIANCES PRESSURE REGULATORS |
CSA/ANSI Z83.19-2017/CSA 2.35-2017 | Gas-fired high-intensity infrared heaters |
CSA A440 : 2017 | NORTH AMERICAN FENESTRATION STANDARD/SPECIFICATION FOR WINDOWS, DOORS, AND SKYLIGHTS |
CSA 6.3 : 2007 : INC : ADD A : 2010 : R2012 | GAS APPLIANCES PRESSURE REGULATORS |
CSA/ANSI Z21.40.1 : 1996 : INC : ADD A : 1997 : R2012 | GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES |
ANSI Z21.92 :2001 | MANUALLY OPERATED ELECTRIC GAS IGNITION SYSTEMS AND COMPONENTS |
CSA 6.3 : 2007 : INC : ADD B : 2012 | GAS APPLIANCES PRESSURE REGULATORS |
ANSI Z21.47 : 2016 | GAS-FIRED CENTRAL FURNACES |
CSA/ANSI Z21.40.1 : 1996 | GAS-FIRED, HEAT ACTIVATED AIR CONDITIONING AND HEAT PUMP APPLIANCES |
ANSI Z21.17 : 1998 | DOMESTIC GAS CONVERSION BURNERS |
CSA 6.5 : 2015 | AUTOMATIC VALVES FOR GAS APPLIANCES |
ANSI Z21.24 : 2015 | CONNECTORS FOR GAS APPLIANCES |
CSA B78.3 : 0 | BUILDING DRAWINGS |
CSA A23.1 A23.2 : 2014 | CONCRETE MATERIALS AND METHODS OF CONCRETE CONSTRUCTION/TEST METHODS AND STANDARD PRACTICES FOR CONCRETE |
CSA/ANSI Z21.21 : 2015 | AUTOMATIC VALVES FOR GAS APPLIANCES |
CSA/ANSI Z21.66 : 2015 | AUTOMATIC DAMPER DEVICES FOR USE WITH GAS-FIRED APPLIANCES |
CGSB 4.159 : 1975(R2013) | UNIVERSAL SYSTEM FOR DESIGNATING LINEAR DENSITY (TEX SYSTEM) |
ISO 16:1975 | Acoustics — Standard tuning frequency (Standard musical pitch) |
CGSB 158.1 : 1998 | INTERNATIONAL VOCABULARY OF BASIC AND GENERAL TERMS IN METROLOGY |
CSA Z234.4 : 1989 | ALL NUMERIC DATES AND TIMES |
CSA B78.2 : 0 | DIMENSIONING AND TOLERANCING OF TECHNICAL DRAWINGS |
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