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prEN ISO 10121-2 Viešoji apklausa

Komentavimo iki data 2025-08-26

Bandymo metodai bendrajam vėdinimui skirtų dujinius teršalus šalinančių oro valymo priemonių ir įtaisų veiksmingumui vertinti. 2 dalis. Dujinius teršalus šalinantys oro valymo įtaisai (GPACD) (ISO/DIS 10121-2:2025)

ISO 10121-2:2013 aims to provide an objective test method to estimate the performance of any full size gas filtration device (GPACD) for general filtration regardless of media or technique used in the device. In fact, the goal of this part of ISO 10121 is to avoid relating the test data to internal parameters altogether. The benefit with this approach is that customers of GPACDs will be able to concentrate on price/performance and suppliers will have access to a normative and objective test standard that will not require the release of proprietary information or reverse engineering of the product. To ensure objectivity for test equipment suppliers, no specific design of the test apparatus is specified. Instead requirements of apparatus properties and validation tests are specified. However, different design examples in present use are outlined. ISO 10121-2:2013 can also be used with technologies such as scrubbers, absorbers, non-sorptive devices or packed columns as long as they fit into the test apparatus, can be meaningfully judged by the test method and are intended for general ventilation applications, both residential and non residential. Nuclear and military applications are specifically excluded.

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prEN ISO 10121-1 Viešoji apklausa

Komentavimo iki data 2025-08-19

Bandymo metodai bendrajam vėdinimui skirtų dujinius teršalus šalinančių oro valymo priemonių ir įtaisų veiksmingumui vertinti. 1 dalis. Dujinius teršalus šalinančios oro valymo priemonės (ISO/DIS 10121-1:2025)

ISO 10121-1:2014 aims to provide an objective laboratory test method, a suggested apparatus, normative test sections and normative tests for evaluation of three different solid gas-phase air cleaning media (GPACM) or GPACM configurations for use in gas-phase air cleaning devices intended for general filtration applications. ISO 10121-1:2014 is specifically intended for challenge testing and not for general material evaluation or pore system characterization. The three different types of GPACM identified in ISO 10121-1:2014 are GPACM-LF (particles of different shape and size intended for e.g. Loose Fill applications), GPACM-FL (FLat sheet fabric intended for e.g. flat one layer, pleated or bag type devices) and GPACM-TS (three dimensional structures that are many times thicker than flat sheet and e.g. used as finished elements in a device). The tests are conducted in an air stream and the GPACM configurations are challenged with test gases under steady-state conditions. Since elevated gas challenge concentrations (relative to general ventilation applications) are used, test data should be used to compare GPACM within the same configuration and not for the purpose of predicting performance in a real situation. It is also not implied that different GPACM configurations can be directly compared. The primary intention is to be able to compare like GPACM configurations to like, not between GPACM configurations. Testing of complete devices is described in ISO 10121‑2. To ensure objectivity for test equipment suppliers, no specific design of the test apparatus is defined: an example is illustrated in an annex. Instead normative demands for media sample holder design, apparatus properties and validation tests are specified.

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prEN ISO 24194 Viešoji apklausa

Komentavimo iki data 2025-07-22

Saulės energija. Saulės parkai. Veikimo tikrinimas (ISO/DIS 24194:2025)

This document specifies two procedures to check the performance of solar thermal collector fields. This document is applicable to glazed flat plate collectors, evacuated tube collectors and/or tracking, concentrating collectors used as collectors in fields. The check can be done on the thermal power output of the collector field and also be on the daily yield of the collector field. The document specifies for the two procedures how to compare a measured output with a calculated one. The document applies for all sizes of collector fields.

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prEN ISO 15858 Viešoji apklausa

Komentavimo iki data 2025-07-15

UV-C įtaisai. Saugos informacija. Leidžiamasis poveikis žmogui (ISO/DIS 15858:2025)

ISO 15858:2016 specifies minimum human safety requirements for the use of UVC lamp devices. It is applicable to in-duct UVC systems, upper-air in room UVC systems, portable in-room disinfection UVC devices, and any other UVC devices which may cause UVC exposure to humans. It is not applicable to UVC products used for water disinfection.

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prEN ISO 16890-1 Viešoji apklausa

Komentavimo iki data 2025-07-08

Oro filtrai, skirti bendrajam vėdinimui. 1 dalis. Techninės specifikacijos, reikalavimai ir klasifikavimo sistema pagal kietųjų dalelių sulaikymo efektyvumą (ePM) (ISO/DIS 16890-1:2025)

ISO 16890-1:2016 establishes an efficiency classification system of air filters for general ventilation based upon particulate matter (PM). It also provides an overview of the test procedures, and specifies general requirements for assessing and marking the filters, as well as for documenting the test results. It is intended for use in conjunction with ISO 16890‑2, ISO 16890‑3 and ISO 16890‑4. The test method described in this part of ISO 16890 is applicable for air flow rates between 0,25 m3/s (900 m3/h, 530 ft3/min) and 1,5 m3/s (5 400 m3/h, 3 178 ft3/min), referring to a test rig with a nominal face area of 610 mm × 610 mm (24 inch × 24 inch). ISO 16890 (all parts) refers to particulate air filter elements for general ventilation having an ePM1 efficiency less than or equal to 99 % when tested according to the procedures defined within ISO 16890‑1, ISO 16890‑2, ISO 16890‑3 and ISO 16890‑4. Air filter elements with a higher initial efficiency are evaluated by other applicable test methods (see ISO 29463-1, ISO 29463-2, ISO 29463-3, ISO 29463-4 and ISO 29463-5). Filter elements used in portable room-air cleaners are excluded from the scope of this part of ISO 16890. The performance results obtained in accordance with ISO 16890 (all parts) cannot by themselves be quantitatively applied to predict performance in service with regard to efficiency and lifetime. Other factors influencing performance to be taken into account are described in Annex A.

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