Cabinet of Ministers Regulations No. 1186 in 2013 (29 October. No 56 86) measurement rules Issued in accordance with the law "on a uniformity of measurements" 3. the second paragraph of article 1 defines the terms used in the Republic of Latvia the unit names and spelling, as well as the use of the unit. 2. the names of the Units, their explanations and script, as well as prefix to denote decimal multiples and submultiples of the rules set out in annex 1. 3. The provisions set out in annex 1 of the unit of measure applies to measuring instruments used, measurements to the measurements expressed in units and the size of the pointer. 4. in addition to the measurements and size indicators, expressed in annex 1 of these rules in specific units, has allowed the use of additional indicators if: 4.1 additional indicators are one or more measurement and size indicators, expressed in units of measurement not contained in annex 1 to these rules; 4.2. additional pointer to characters which are no larger than the characters, with the corresponding values are expressed in this provision is included in annex 1 in the units. 5. Dimensionless coefficient characteristics and names and spellings of this set of provisions in annex 2. 6. Products and equipment already placed on the market and is in use by 2010, January 1, and their components and parts are allowed to use the units, which are not included in annex 1 of these rules.
Informative reference to European Union directives, the regulations include provisions resulting from: 1) of the Council of 20 December 1979, Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement and on the repeal of Directive 71/354/EEC; 2) Council on 18 December 1984 directive 85/1/EEC, amending Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement; 3) Council of 27 November 1989 directive 89/617/EEC amending Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement; 4) of the European Parliament and of the Council of 24 January 2000, the provisions of Directive 1999/103/EC amending Council Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement; 5) of the European Parliament and of the Council of 11 March 2009. directive 2009/3/EC amending Council Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement. Prime Minister Valdis Dombrovskis Economy Minister Daniel Pavļut of annex 1 of the Cabinet of Ministers of 29 October 2013 regulations no 1186 units used in Latvia, name, explanation and script, as well as prefix to denote decimal multiples and submultiples i. international system of units 1. International measurement system base: No. PO box The size of the Unit name symbol 1. Length metre m 2. Mass kilogram kg 3. Time second s 4. The strength of the electric current ampere (A) 5. Thermodynamic temperature, kelvin (K) 6. The amount of substance Mole mol 7. The luminous intensity candela cd 1.1. length unit of measure – the metre is the path of light in a vacuum in 1/299 792 458 seconds; 1.2. the mass of the kilogram is the unit of measurement of mass, and it is equal to the mass of the international prototype of the kilogram; 1.3. time-second is a unit of caesium-133 atoms 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the lowest; 1.4. the strength of the electric power unit – amps have the constant power strength, which, flowing through the two 1 feet away from each other in a vacuum located parallel straight unlimited length very thin round cross-section, creating between these cables 2 x 10-7 Newton per metre of length of the force; 1.5.-thermodynamic temperature unit kelvin is the water triple point temperature 1/273 716 of the thermodynamic part. The definition of this water isotopic composition meets the following quantity proportions: 0.00015576 2 h to 1 h of mol mol 0.0003799 mol, 17 to 16 mol, mol and 0.0020052 18 to 16 moles; 1.6. the units of quantity of the substance-Mole is the amount of substance in the system in which there are so many elementary particles, how atoms are 0.012 kg carbon-12. Using moles, you must list the particles-atoms, molecules, ions, electrons, other particles, or sets of these particles; 1.7. the luminous intensity unit-candela is the luminous intensity, in a given direction emits monochromatic radiation sources 540 x 1012 Hertz is the frequency and strength of radiation 1/683 Watts per steradian in this direction. 2. the international system of units derived units of measurement: No. PO box Size unit of measure expression name symbol in other units of the international system of measurement of the international measurement system base units 1. Temperature Celsius * Celsius ° C 2. Plane angle radian brings m ∙ m-1 3. 3D angle steradian sr m2 ∙ m-2 4. Frequency Hertz Hz s-1 5. Newton force N m ∙ ∙ kg s-2 6. Pressure, motor voltage Pascal By N m-2 m-1 ∙ ∙ kg ∙ s-2 7. Energy, work; the quantity of heat Joule J N m ∙ ∙ ∙ kg m2 s-2 8. Power **, the radiation flux Watt W J ∙ ∙ ∙ kg m2 s-1 s-3 9. Quantity of electricity, electric charge Coulomb C s ∙ (A) 10. Electric potential, potential difference (voltage) volts V W elektrodzinējspēk ∙ ∙ ∙ (A)-1 kg m2 s-3 ∙ A-1 11. Electrical resistance ohm V-Ω ∙ ∙ ∙ (A) 1 kg m2 s-3 ∙ A-2 12. Electrical conductivity Siemens S (A) ∙ ∙ V-1 m2 kg-1 ∙ ∙ s3 A2 13. Electric capacitance farad F ∙ V C-1 m-2 kg-1 ∙ ∙ ∙ s4 A2 14. Magnetic flux Weber Wb ∙ V ∙ ∙ kg m2 s-2 s-1 15 A ∙. Magnetic flow density Tesla T Wb ∙ ∙ kg m-2 s-1 16 ∙ A-2. Inductance Henry H ∙ ∙ the Wb A-1 kg m2 s-2 ∙ ∙ A-2 17. Lm lumen luminous flux cd ∙ Sri cd 18. Lighting by Lux lx lm m-2 m-2 ∙ ∙ cd 19. Radioactivity (ionizing radiation) becquerel Bq s-1 20. The absorbed dose, kerma, absorbed dose rate gray Gy (J) ∙ ∙ kg m2 s-2 21-1. Equivalent dose the sievert Sv J kg-1 m2 ∙ ∙ s-2 22. Catalytic activity katal kat mol ∙ s-1 notes. 1. the Celsius temperature t is defined as the difference t = T-T0 between the two thermodynamic temperatures T and T0 where T0 = 273.15 k. Temperature interval or difference can be expressed either in kelvins or in degrees Celsius. The unit "degree Celsius" is equal to the unit "kelvin". 2. Special power units name volt-ampere (symbol "VA") used to express the apparent AC power, and may (symbol "can") used to express reactive electric power. "Can" is not included in the weight and measures of the General Conference resolutions. 3. the Prefix and symbols specific to denote decimal multiples and submultiples: No. PO box Factor multiples and part name symbol 1. 1024 jota Y 2. 1021 Zeta Z 3. 1018 Exo E 4. PETA P 1015 5. 1012 Tera T 6. 109 Giga G 7. 106 mega M 8. 103 kilo k 9. 102. the h 10 hekt Deca da 11 10. 10-1 dec (d) 12. 10-2 cents (c) 13. 10-mil in 3 m 14. 10-6 micro µ 15. 10-9 Nano n 16. 10-12 Pico p 17. 10-15 f femt 18. 10-18 at a 19. zepto z 10-21 20. 10-24 jokt-y

The notes. 1. Mass measurement decimal multiples and submultiples names and symbols created by adding a prefix to the word "gram" and its symbol, the symbol "g". 2. If the derived units expressed as a fraction, its decimal multiples and parts can be designated by adding a prefix to units in the meter or the denominator, or both of these parts. 3. in paragraph 3 of this chapter, these prefixes and their symbols can be used in conjunction with point 1 of chapter II units and symbols referred to in connection with the names "(metric) degree" or "gone" and the symbol "gon", in relation to chapter II, points 3 and 4 listed in the units and symbols, with the exception of the millimetre of mercury and its symbol, but a multiple of 102 is called a "hectare". 4. You may not use the compound to more of those prefixes. II. units of measurement which are not included in the international measurement system and its relationship to the system of Special Units 1 decimal multiples and submultiples names and symbols (units of measure, which are not included in the international measurement system, but are associated with it): No. PO box The size of the Unit name symbol value 1. Volume in litres l or L 1 l = 1 dm3 = 10-3 m3 2. Mass ton t 1 t = 1 Mg = 103 kg 3. Pressure, motor voltage bar the bar 1 bar = 105 Pa * notes. 1 litre unit can use either symbols "l" and "L". 2. Unit of measurement included in the International Bureau of weights and measures for the time allowed the unit list. 2. units of measurement that are defined on the basis of the international system of measurement units, but not their decimal multiples or: No. PO box The size of the Unit name symbol value 1. Plane angle rotation speed * 1 = 2 π rad metric degree or gone gone 200 degree = π π rad angle 180 ° 10 minute ' 1 ' = π rad 10800 angle ' ' ' 1 second ' = π rad 648000 2. Time of min 1 min = 60 minute s h 1 h = 3600 hours s 24-hour d 1 d = 86400 s note. * There is no international symbol. 3. units of measurement which are not included in the international measurement system, but are associated with it and that the values obtained experimentally: No. PO box Size symbol unit name definition 1. The electronvolt energy eV electronvolt is the kinetic energy, the electron vacuum across the potential difference of 1 V 2. Unified atomic mass unit u unified atomic mass unit is equal to the mass of the atom izotopa12C 1/12 part 4. units of measurement that are only permitted in specific sectors: no PO box The size of the Unit name symbol value 1. Optical strength 1 diopter diopter = 1 2 m-1. Gemstone weight metric carat 1 metric carat = 2 m-4 kg 3. Agricultural land and building land area out of a 1 a = 4 102m2. The linear mass density of the fibres in the TeX text 1 text = 10-6 kg · m-1 5. Blood pressure and pressure of other body fluids mercury Torr mmHg 1 mmHg = 133.322 Pa 6. Effective section b 1 b = 10-barn-28m2 compound units 5, setting up, connecting the units mentioned in this annex. Economy Minister Daniel Pavļut in annex 2 of the Cabinet of Ministers of 29 October 2013 by Regulation No 1186 dimensionless coefficient characteristics and economic Minister Daniel Pavļut in