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Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1- Measurement of water flow - Section 1.3 Constant rate injection method using radioactive tracers. Original standard BS 5857-1.3-1980 (2008) ISO 2975-III-1977 in PDF full version. Additional info + preview on request
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Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1- Measurement of water flow - Section 1.4 Transit time method using non-radioactive tracers. Original standard BS 5857-1.4-1980 (2008) ISO 2975-VI-1977 in PDF full version. Additional info + preview on request
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Methods for measurement of Fluid flow in closed conduits, using tracers - Part 1- Measurement of water flow - Section 1.5 Transit time method using radioactive tracers. Original standard BS 5857-1.5-1980 (2008) ISO 2975-VII-1977 in PDF full version. Additional info + preview on request
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Methods for measurement of Fluid flow in closed conduits, using tracers - Part 2- Measurement of gas flow - Section 2.1 General. Original standard BS 5857-2.1-1980 (1999) ISO 4053-I-1977 in PDF full version. Additional info + preview on request
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Methods for measurement of Fluid flow in closed conduits, using tracers - Part 2- Measurement of gas flow - Section 2.4 Transit time method using radioactive tracers. Original standard BS 5857-2.4-1980 (1999) ISO 4053-IV-1978 in PDF full version. Additional info + preview on request
Document status: Active
Specification for the installation and maintenance of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances - Part 2- Inset live fuel effect gas fires of heat input not exceeding 15 kW and fire/back boilers (2nd and 3rd family gases). Original standard BS 5871-2-2005 (2007) in PDF full version. Additional info + preview on request
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