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The Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999
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- UK Statutory Instruments
- 1999 No. 1053
- SCHEDULE 3
- Appendix 1
- Paragraph 1.4.1
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General analyser specifications
1.4.1 The analysers shall have a measuring range appropriate for the accuracy required to measure the concentrations of the exhaust gas components (section 1.4.1.1). It is recommended that the analysers be operated such that the measured concentration falls between 15% and 100% of full scale.
If the full scale value is 155 ppm (or ppm C) or less or if read-out systems (computers, data loggers) that provide sufficient accuracy and resolution below 15% of full scale are used concentrations below 15% of full scale are also acceptable. In this case, additional calibrations are to be made to ensure the accuracy of the calibration curves—Annex III, Appendix 2, section 1.5.5.2.
The electromagnetic compatibility (EMC) of the equipment shall be on a level as to minimise additional errors.
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