Rs 941.242 Order Of Fdjp's March 19, 2006, On Instruments Measuring Of Exhaust Gas Of Combustion (Oige) Engines

Original Language Title: RS 941.242 Ordonnance du DFJP du 19 mars 2006 sur les instruments mesureurs des gaz d’échappement des moteurs à combustion (OIGE)

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941.242 order of FDJP on instruments measuring the exhaust of combustion engines (OIGE) of March 19, 2006 (Status January 1, 2015) the federal Department of justice and police (FDJP), having regard to the art. 5, al. 2, 8, al. 2, 11, al. 2, 16, al. 2, 17, al. 2, 24, al. 3, and 33 of the Ordinance of 15 February 2006 on measuring instruments (Ordinance on measuring instruments), stop: Section 1 provisions general article 1 scope this fixed order: a. the requirements pertaining to instruments measuring of gaseous components of the spark-ignition engines, instruments measuring smoke from diesel engines by compression and instruments measurers of nanoparticles by combustion engines; b. the procedures for placing on the market of these measuring instruments; c. the procedures designed to maintain the stability of measurement of these measuring instruments.

New content according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).
New term according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO). It was taken into account this mod. throughout the text.

S. 2 scope are subject to the provisions of this order instruments measuring of gaseous components, the diesel smoke meters and meters of nanoparticles which are used for instruments: a. maintenance of emission control system by undertakings authorised pursuant to art. 35 of the Ordinance of 19 June 1995 concerning technical requirements for road vehicles (OETV); b. subsequent exhaust controls carried out by the authority for registration in accordance with art. 36 OETV and the subsequent controls exhaust gas carried out by the police; c. periodic inspections or subsequent controls of the exhaust according to the order of 13 December 1993 on the requirements for exhaust of boat waters Swiss motors and the implementing provisions of January 9, 2009, of the Ordinance on the requirements for the exhaust of the engines of vessels in waters Swiss; d. maintenance of the emission control system or controls periodicals of exhaust in accordance with art. 13.11 a, al. 7, the order of January 17, 1976, concerning navigation on the Lake of Constance; e. measures and emissions checks provided for by art. 13 by order of 16 December 1985 on the protection of air that are done on construction machines; f. the establishment of benchmarks by the approval authorities.

New content according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).
RS 741.41 new content according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).
RS 747.201.3 RS 747.201.31 RS 747.223.1 new content according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).
RS 814.318.142.1 introduced by chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).

S. 3 definitions to the meaning of the this order, means: a. instrument meter of gaseous components: a measuring instrument used to determine the volume fractions, with the level of moisture present, of certain components of the exhaust gas of a motor ignition steady vehicle; from a part of the exhaust stream, b. instrument diesel smoke meter : a measuring instrument serving to determine, from a part of the exhaust stream, the coefficient of opacity maximum of smoke from the exhaust gas of a compression-ignition engine and idle and control vacuum during free acceleration plans; c. instrument meter of nanoparticles by combustion engines: a measuring instrument used to determine the number concentration of nanoparticles from a partial flow of the exhaust from a combustion engine.

Introduced by chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).

Section 2 Instruments measurers of gaseous components art. 4 essential requirements the gaseous components measuring instruments must meet the essential requirements laid down in Schedule 1 of the Ordinance on measuring instruments and in annex 1 of this order.

S. 5 procedures for placing on the market the conformity of instruments measuring of gaseous components with the essential requirements mentioned in art. 4 can be evaluated and certified at the choice of the manufacturer according to one of the following procedures laid down in annex 2 of the Ordinance on measuring instruments: a. type-examination (module B) supplemented by the declaration of conformity to type based on the assurance of the quality of the manufacturing process (module D); b. type examination (module B) supplemented by the declaration of conformity to type on the basis of an audit of the product (module F); c. declaration of compliance on the basis of insurance comprehensive quality and an examination of the design (module H1).

S. 6procedure of stability of measurement instruments measuring of gaseous components are subject to later verification according to annex 7, ch. 1, of the Ordinance on measuring instruments and annex 3, ch. 1 of this order, made annually by the cantonal verification offices.

New content according to ch. I to W of the FDJP's nov 19. 2014, in force since 1 Jan. 2015 (2014 4551 RO).

Section 3 Instruments Art. diesel smoke meters 7 essential requirements instruments diesel smoke meters shall meet the essential requirements laid down in Schedule 1 of the Ordinance on measuring instruments and in annex 2 of this order.

S. 8 procedures for the placing on the market the diesel smoke meters instruments are subject to a regular approval and initial verification according to annex 5 of the Ordinance on measuring instruments.

S. 9procedure of maintenance of stability of measurement instruments diesel smoke meters are subject to later verification according to annex 7, ch. 1, of the Ordinance on measuring instruments and annex 3, ch. 1 of this order, made annually by the cantonal verification offices.

New content according to ch. I to W of the FDJP's nov 19. 2014, in force since 1 Jan. 2015 (2014 4551 RO).

Section 3aInstruments measurers of nanoparticles of Art. combustion engines 9A essential requirements instruments measurers of nanoparticles by combustion engines must meet the essential requirements set out in Schedule 1 of the Ordinance on measuring instruments and annex 4, let. B, c. 1 to 5, of the present order.

S. 9 (b) Procedures for placing on the market the conformity of instruments measurers of nanoparticles by combustion engines with the requirements laid down in art. 9A is evaluated and certified by using the procedures below, in accordance with Schedule 2 to the Ordinance on measuring instruments: a. type-examination (module B); ETB. Declaration of conformity to type (module F) product-based.

S. 9 Procedures for maintaining stability of measurement instruments measurers of nanoparticles by combustion engines are subject to following procedures intended to ensure the maintenance of the stability of measurement: a. subsequent verification according to annex 7, ch. 1, of the Ordinance on measuring instruments and annex 4, let. B, c. 6, of this order, performed annually by the federal Institute of metrology or by a verification laboratory authorised; ETB. maintenance according to annex 7, ch. 7, the Ordinance on measuring instruments and annex 4, let. B, c. 6, of this order, carried out at least once a year by a competent person.

S. 9 d marking instruments measurers of nanoparticles by combustion engines must be fitted with the mark of conformity and the metrological mark in accordance with annex 5.

Section 4 Obligations of the user art. 10. the user assumes the responsibility specified in art. 21, al. 1, of the Ordinance on measuring instruments, but also that: a. to enforce the manufacturer's instructions for mounting and commissioning the instrument; b. to revise the instrument in accordance with the manufacturer's instructions.

Section 5 maximum permissible in the article checks errors 11 for disputes within the meaning of art. 29, al. 1, of the Ordinance on instruments of measurement or for official controls of measuring instruments other than verification, the maximum permissible errors laid down in annexes 1, 2 and 4 of this order are applicable.

New content according to chapter I of O of the FDJP's August 22, 2012, in force since 1 Jan. 2013 (2012 5371 RO).

Section 6 provisions finals s. 12 the law in force the order of 20 October 1993 on instruments measuring of exhaust gas of combustion (OAGE) engines is repealed.

[RO 1993 2985, 1998 1796 art. 1 para. 23]

S. 13 transitional provisions the measurers of gaseous components and instruments diesel smoke meters tested prior to the entry into force of this order may continue to be checked later. On the subsequent verification instruments must comply with the maximum errors permissible in accordance with the previous provisions.

The measurers of gaseous components and diesel smoke meters approved under previous law instruments can be placed on the market and initially verified according to annex 5, ch. 2, of the Ordinance on measuring instruments for ten years from the entry into force of this order. After the expiry of those ten years, they may still be checked subsequently.

S. 14 entry into force this order comes into force on October 30, 2006.

Annex 1 (article 4) specific requirements pertaining to instruments measuring of gaseous components A Definitions and explanations Instruments measuring of gaseous components an instrument measuring of gaseous components is a measuring instrument used to determine the volume fractions of specified components of the exhaust gas of a motor vehicle ignition at the moisture level of the sample analysed.
These gas components are the carbon monoxide (CO), carbon dioxide (CO2), oxygen (O2) and hydrocarbons (HC).
The hydrocarbon content must be expressed in equivalent n-hexane (C6H14), measured by near infrared absorption techniques.
The volume fractions of the gas components are expressed as a % (% vol) for CO, CO2 and O2 and in parts per million (ppm vol) for HC.
Value lambda Lambda is a dimensionless value, representative of the efficiency of combustion in an engine in terms of air/fuel ratio in the exhaust gases. It is determined by using a standard formula of reference.
The lambda value is determined by an instrument measuring of gaseous components from the volume fractions of the gas components.

B metrological requirements 1 Classes of instrument 1.1 two classes, 0 and I, are defined for instruments measuring of gaseous components. The relevant minimum measuring ranges for these classes are shown in table 1.

Classes and extended measurement table 1 parameter Classes 0 and I title co of 0 to 5% vol 0 to 16% vol CO2 title in HC from 0 to 2 000 ppm vol title O2 from 0 to 21% vol e from 0.8 to 1.2 2 operating Conditions nominal nominal operating conditions values must be specified by the manufacturer as follows : 2.1 for the climatic and mechanical influence factors: - a range of temperature at 35 ° C for the climatic environment; - the mechanical environment class that M1 is applicable.

2.2 for the factors of influence of power:-the extent of voltage and frequency for the power current alternative;-the limits of the power current continuous.

2.3 for the ambient pressure:-values minimum and maximum of the ambient pressure are for both classes, as follows: pmin ≤860 hPa, pmax ≥1060 hPa.

3 maximum permissible errors (MPES). the MPES are defined as follows: 3.1 for each of the measured companies, the value of the maximum deviation tolerated under the conditions of nominal operation, in accordance with Annex 1, ch. 1.1, of the Ordinance on measuring instruments, is the largest of the two values shown in table 2. Absolute values are expressed in % vol or ppm vol; % values are percentages of the true value.

Maximum permissible errors table 2 parameter class 0 class I title co ± 0.03% ± 5% ± 0.06% ± 5% ± 0.5% ± 5% vol CO2 title ± 0.5% ± 5% vol HC title ± 10 ppm vol ± 5% ± 12 ppm vol ± 5% title O2 ± 0.1% ± 5% ± 0.1% ± 5% 3.2 vol the maximum permissible error for the calculation of the lambda value is 0.3%. The conventional true value is calculated according to the formula defined in point 5.3.7.3 of annex I of directive 98/69/EC of the European Parliament and of the Council relating to measures to be taken against pollution of the air by emissions from motor vehicles and amending directive 70/220/EEC. To this end, the values indicated by the instrument are used for calculations.

4 permissible effect of disturbances 4.1 for each of the volume fractions measured by the instrument, the critical change value is equal to the maximum permissible error for the parameter concerne.4.2 an electromagnetic disturbance may have the following effects:-the variation of the measurement result does not exceed critical change defined in ch. 4.1, or - the result of the measurement is indicated so that it cannot be considered a valid result.

5. other requirements 5.1 the resolution shall be equal to the values indicated in table 3 or greater by an order of magnitude.

Resolution table 3 CO CO2 O2 HC Classes 0 and I 0.01% vol. 0.1% vol. * 1 ppm vol * 0.01% vol. for measured values below or equal to 4% vol, otherwise 0,1% vol.

The lambda value must be displayed with a resolution of 0.001.
5.2 the standard deviation of 20 measurements shall not be greater than one third of the absolute value of the maximum permissible error for each alcoholic gas applicable.5.3 for measuring CO, CO2 and HC, the instrument, including the specific of the gas circulation system, must indicate 95% of the final value as determined with calibration gases within 15 s following a change from a gas with zero content e.g. fresh air. For measuring O2, the instrument under similar conditions must indicate a value deviating by less than 0,1% vol from zero within 60 seconds following a passage of fresh air to a gas without oxygene.5.4 other exhaust components the components whose values are measured must not affect the results of measuring over half of the MPES when those components are present in the following maximum quantities : - 6% vol CO; - 16% vol CO2; - 10% vol O2; - 5% vol H2; - 0.3% flight no.; - 2000 ppm vol HC (as n-hexane); - until saturation water vapour.

5.5 an instrument measuring of gaseous components must have a device fitting allowing the reset, the calibration gas and internal adjustment. The reset and internal adjustments must be automatiques.5.6 in the case of a device for automatic or semi-automatic adjustment, the instrument shall be unable to make a measurement as long as the adjustments have not been effectues.5.7 an instrument measuring of gaseous components shall detect hydrocarbon residues in the gas circulation system. It must be impossible to perform any measurement if hydrocarbon present before any measurement residues exceed 20 ppm vol.5.8 an instrument measuring of gaseous components must have a device automatically recognising any malfunctioning of the sensor in the channel of oxygen due to wear or a break in the line of connexion.5.9 when the gaseous components measuring instrument is capable of handling different fuels such as gasoline or LPG, it must be possible to select the suitable coefficients for the calculation of the lambda value so as to not leave any ambiguity concerning the appropriate formula.

The fraction of amount of substance (Mole fraction) of the components of the exhaust gas is considered, in this order, as equal to their volume fraction (alcoholic).
OJ L 350, 28.12.1998, p. 17.

State 1 January 2015 annex 2 (art. 7) specific requirements pertaining to diesel smoke meters 1 requirements 1.1 instruments instruments diesel smoke meters must provide the same results as those of opacimeters used to measure under free acceleration provided for by directive 72/306/EEC and Regulation ECE n 24.1.2 the requirements relating to the construction and the metrological characteristics of diesel smoke meters instruments mentioned in art. 7 are satisfied if the instruments meet the requirements of the standard ISO 11614 and the following provisions.

2 construction principle 2.1 measurement of diesel smoke meters instruments process must be automated to the maximum so that the subjective influences of the person doing the measurements can be eliminees.2.2 measuring instruments must be of opacimeters in levy in accordance with the standard ISO 11614, ch. 5.1 and 9.1.2.3 measuring instruments must measure the amount of smoke during free acceleration according to the standard ISO 11614 , c. 9.4.2.4 measuring instruments shall meet the requirements laid down in standard ISO 11614, ch. 10.1 to 10.3.2.5 instruments measuring devices must be equipped with a printer. The transmission of data between the measuring device and the printer must be designed so that the results cannot be altered. It must not be possible to print a document for legal use if the control device has detected a significant defect or malfunction of the instrument for mesure.2.6 an official document must include at least the following data: - date and time of the measurement; - the name and address of the measuring station; - an identification of the instrument such as n series; - the measured quantities and the results in accordance with ch. 3; - the term 'official measure'; - the designation of the probe used as well as its diameter; - a topic for the introduction of the identification of the vehicle and chassis n.

3 measured quantities diesel smoke meters instruments must determine the following quantities, obtained from a free acceleration test:-maximum opacity coefficients k [m] in accordance with the standard ISO 11614, ch. 7; - speed [min] the engine idling and the regulatory vacuum regime.

4 maximum permissible errors (MPES)


4.1 dynamic measures such as free acceleration from the engine, the MPE for the opacity factor k [min] compared to the benchmark instrument are:-± 0.15 m if k ≤ 1 m; - ± 0.15 · k if k > 1 m.

4.2 when a static instrument control with an external system (control of linearity in accordance with ISO 11614, c. 7.3.5), maximum deviations from a value of k are:-± 0.05 m if k ≤2 m; - ± 0.025 · k if k > 2 m.

5 official measure 5.1 the procedure in mode 'official measure' should be in accordance with the standard ISO 11614, c. 9.4, and let 10.1.6,. d. in addition, the following condition must be fulfilled, both for idling as to the regulatory vacuum regime: the difference between the largest and smallest number of four measures considered RPM exceeds not the greatest value between 100 min and 10% of the average value of the four mesures.5.2 at the end of the official measure the diesel smoke meter instrument shall print official exhibit according to standard ISO 11614, c. let 10.1.6. f, supplemented by readings of the regime.5.3 If the measures do not meet the conditions referred to in clause 5.1, the official document should be clearly invalidated.

6 information to register on instruments measuring smoke of diesel in addition to annex 1, ch. 9.1, of the Ordinance on measuring instruments, the following additional information shall be marked on all components of the instrument: - year of manufacture - the symbol of approval and the order number; - the serial number of the instrument; - the optical effective length L of the measuring cell.

7 operating instructions and maintenance in addition to annex 1, c. 9.3 of the Ordinance on measuring instruments, the operating instructions and maintenance must also include:-the procedure for an official measure; This is based in particular on the directive 72/306/EEC or Regulation EEC No. 24 and includes in particular the packaging of the engine, exhaust system cleaning and how to proceed for acceleration free; - if necessary, categories of vehicles diesel that can be officially measured with the diesel smoke meter instrument; - if several probes exist the terms of use for each probe.

Directive n 72/306 of the Council, of 2 August 1972 on the approximation of the laws of the States relating to measures to be taken against members emissions of pollutants from diesel engines for use in motor vehicles; OJ L 190, 20.8.1972, p. 1, as amended by Directive 89/491/EEC (OJ L 238, 15.8.1989, p. 43) and 97/20/EC (OJ L 125, 16.5.1997, p. 21).
Economic Commission for Europe (ECE): 'Agreement of 20 March 1958 concerning the adoption of uniform conditions of approval and recognition reciprocal approval of equipment and parts of motor vehicles', addendum 23: R n 24 April 20, 1986, to be annexed to the agreement. Information on the ECE R 24 n can be obtained from the federal Office of Metrology (METAS), 3003 Bern-Wabern.
International standard ISO 11614, "Reciprocating internal combustion engines compression ignition - apparatus for measuring the opacity and the coefficient of absorption of light by the exhaust gases", edition 1999-09-01.
Directive n 72/306 of the Council, of 2 August 1972 on the approximation of the laws of the States relating to measures to be taken against members emissions of pollutants from diesel engines for use in motor vehicles; OJ L 190, 20.8.1972, p. 1, as amended by Directive 89/491/EEC (OJ L 238, 15.8.1989, p. 43) and 97/20/EC (OJ L 125, 16.5.1997, p. 21).
Economic Commission for Europe (ECE): 'Agreement of 20 March 1958 concerning the adoption of uniform conditions of approval and recognition reciprocal approval of equipment and parts of motor vehicles', addendum 23: R n 24 April 20, 1986, to be annexed to the agreement. Information on the ECE R 24 n can be obtained from the federal Office of Metrology (METAS), 3003 Bern-Wabern.

State 1 January 2015 annex 3 (arts. 6 and 9) subsequent Verification of instruments measuring of gaseous components and diesel smoke meters 1 instruments the measuring of gaseous components and instruments mesu-homebuyers of diesel smoke should be checked in the normal conditions of use. Metrological conditions permitting, the examination must be done instead of using. An examination of parts isolated devices is allowed only in case of extreme necessity. The federal Institute of metrology determines the verification procedure subsequent to case by case depending on the instrument mesureur.2 any measuring instrument metrological characteristics are highly deteriorated or maintenance according to the art. 10, let. (b), is manifestly not respected can be sealed so as to prevent its use. This sealing may for example consist in the blocking of the printer or the sealing of food. The competent audit office sets a reasonable deadline for reclamation by a competent person.

New content according to ch. II of O of the FDJP's nov 19. 2014, in force since 1 Jan. 2015 (2014 4551 RO).

State 1 January 2015 annex 4 (art. 9A and 9 c) specific requirements pertaining to instruments measuring nanoparticles by combustion engines has Definitions and explanations diameter of mobility diameter of a particle which, during the measurement in an Analyzer of mobility according to the ISO 15900:2009 standard, this same electric mobility as a particle of spherical shape with a diameter is known.
Nanoparticles solid components, carbon based, contained in the exhaust gas of the catalytic combustion engines.
Particles have a diameter of mobility from 20 nm to 300 nm.
The condensed parties are not called nanoparticles.
Digital particle concentration number of nanoparticles measured by unit volume, indicated per centimeter cube (cm).
Efficiency E Quotient of numerical concentration of particles indicated and digital particle concentration measured at the input of the measuring instrument.

B metrological requirements 1 scope of measure 1.1 the scope of measurement for the number of particles concentration is at least between 5 × 10 cm and 5 × 10 cm.1.2 for measurements outside the measuring range, the measuring instrument shall indicate if the measured value is lower or higher than the measuring range. If this is not possible, no value is indiquee.1.3 the number concentration of particles must be specified for ambient conditions prevailing during each measurement.

2 operating conditions nominal nominal operating following conditions must be met: 2.1 climatic, mechanical and electromagnetic environment: - extended ambient temperature between-10 ° C to 40 ° C; - field for pressure ambient between 860 hPa and 1060 hPa; - class mechanical environment M2; - class electromagnetic environment E2.

2.2 electrical nominal operating conditions indicated by the producer relate:-to the extent of voltage and frequency for the power current alternative; - the limits of the power current DC.

3 maximum permissible errors (MPES). the MPES are defined as follows: according to the size and composition of the particles, the measuring instrument must maintain throughout the measurement E efficiency within the limits specified in table 1.

Efficiency of instruments measuring nanoparticles table 1 diameter of mobility limitations of l´efficience E nanoparticles of 23 nm E < 50% 50% 41 nm nanoparticles < E nanoparticles of 80 nm 70% < E < 130% nanoparticles from 200 nm E < 200% drops of tetracontan of 30 nm (concentration digital up to 10 cm) E < 5% 4 disruptions 4.1 tolerated effects are considered to be disturbances : - nano-particles with a diameter less than 20 nm from such additives for fuels for combustion engines; - splash, the components of corrosive exhaust, dust - heat in the sample and in the environment of the sample (temperature of 300 ° C for 5 minutes) - condensation of gaseous components; - a concentration of particles very high, for example when measuring on an engine without a filter particles or with damaged particulate filter; - a deposit of dirt on the sensors of the measuring instrument, including soot or condensation.

4.2 disturbance can influence the measuring instrument only:-If the variation of the measurement result does not exceed the limit value laid down in Chapter 3; or, if the indication of the result of the measure cannot be considered valid.

4.3 the user must be notified, and an official measure should be deleted when disturbances cause a variation in the result exceeding the limit value fixed at ch. 4.2.

5. other requirements


5.1 the measurement process must be automated so that subjective user influences can be eliminees.5.2 at the official measure according to ch. 7, the step response of the measured value from 10% to 90% for rectangular, increasing or decreasing, variation of the concentration of entry, should last 5 s maximum (response time).5.3 the duration of the entry of gas during the sample until the number concentration must be less than 10 s (delay time).5.4 for type examination, should be an electronic emission measurement data in a text file, with indication of the date and the number concentration and a rate of registration at least 10 Hz. The file must be downloaded with an interface on a computer available in the commerce.5.5 the measuring instrument shall be designed to operate outdoor portable way.

6 6.1 measurement stability information on the operation of the instruments scalers set out in Schedule 1, c. 9.3, of the Ordinance on measuring instruments, must contain in particular indications about the obligation of maintenance of the holder, on all maintenance work as well as on the interval between this work and on the evidence of their execution.6.2 are part of the maintenance work at least the following work : - cleaning the components that come into contact with particles; - control integrated sensors, especially for the temperature and pressure; - necessary adjustment of important sensors for the measurement of the number of particles.

6.3 the measuring instrument shall be designed so that maintenance is sufficient to maintain the metrological within error characteristics tolerated during the period of verification.6.4 instrument meter adjusted after maintenance shall be subjected to an audit ulterieure.6.5 the federal Institute of metrology fixed the subsequent verification procedure for the case-by-case basis depending on the type of the measuring instrument.

7 official measure 7.1 'official measure' means the process of regulated for official echappement.7.2 the official measure gas measurement must: - being activated and stopped by l´utilisateur; - be carried out without interruption - last up to 5 minutes - determine the average from the values measured value; - indicate at least the following values: the current measured value the mean value and the duration of the measure, in seconds, after the official measure.

7.3 at the end of the official measure, the measuring instrument must permanently record the following data: - mention 'official measure'; - date and time of measurement; - average concentration digital; - duration of the measure.

Introduced by chapter II of the O of the FDJP's August 22, 2012 (RO 2012 5371). Updated according to the c. of o. of the FDJP on 30 Jan. 2013, in force since March 1, 2014 (RO 2014 477).
ISO 15900:2009, Determination of particle size distribution - Differential electrical mobility analysis for aerosol particles (Determination of particle size distribution--analysis of differential electric mobility for aerosol particles). The standard can be obtained from the Swiss Association for Standardisation (SNV), 8400 Winterthur. The standard may also be viewed free of charge at the federal Institute of metrology, 3003 Bern.

State 1 January 2015 annex 5 (art. 9) marks of conformity and necessary additional indications for instruments measuring nanoparticles marks and inscriptions 1 symbol nanoparticles measuring instruments shall be equipped with: a. of the mark of conformity and identification numbers following: 1. the mark of conformity shall consist of the following symbol, a size of at least 5 mm : 2. the identification numbers of the conformity assessment bodies which have made the control of product; b. of the following metrological mark: the mark consists of the letter "M" and the last two digits of the year of its affixing, surrounded by a rectangle. the height of the rectangle is equal to the size of the mark of conformity; the metrological mark immediately following the mark of conformity; c. the following inscriptions: 1. the name of the manufacturer, 2. the number of the type-examination certificate, 3. the model and the serial number of the instrument.

2 planning for the affixing of the mark of conformity nanoparticles measuring instruments must be equipped with facilities for the affixing of the mark of conformity and inscriptions. Facilities must be such that it is impossible to remove the marks and inscriptions without damaging, and that the marks and inscriptions are visible when the measuring instrument is in its normal operating position. The mark and inscriptions shall be affixed together on the instrument in a distinct way.

3 using a plate of data if using a data plate, this plate shall be able to be sealed, unless it is impossible to remove without destroying. If the data plate is sealed, it must apply a control mark.

Introduced by chapter II of the O of the FDJP's August 22, 2012 (RO 2012 5371). Updated according to ch. I O of FDJP on 7 dec 14. 2012 (new legal bases in metrology), in force since 1 Jan. 2013 (2012 7183 RO).

State on January 1, 2015

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