Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air. Requirements and test methods1 Scope This European Standard specifies requirements for the construction, testing and performance of electronic portable and transportable apparatus for the detection and measurement of carbon dioxide (CO2) and or carbon monoxide (CO) in indoor ambient air, which includes air entering mechanical ventilation systems in domestic residential, commercial and industrial premises and public buildings. This European Standard includes indoor air quality

This standard is applicable where the thermal factor is the dominant ageing factor

What is BS EN IEC 62840-2 - Electric vehicle battery swap system about

specifies requirements on test methods

as well as monitoring and improving performance

BS EN 50131-4 is intended to assist insurers

NOTE Alternative classification models may be used provided their results are consistent with the conformity assessment systems to be applied

ИСО 16228 и ИСО 16426

BS EN 4632-002 provides you with degrees of weldability and brazeability for materials or families of materials used in the aerospace industry so that the products are suitable for the required purpose

What is BS EN 1089-3 - Transportable gas cylinders about

This part of ISO 15927 gives the definition and specifies methods of calculation and presentation of the monthly external design climate to be used in determining the design cooling load of buildings and the design of air conditioning systems

— overhead electrical lines for railways

Optional tests are not required unless they are requested