{"id":410544,"date":"2024-10-20T05:40:55","date_gmt":"2024-10-20T05:40:55","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-22-30449831-dc\/"},"modified":"2024-10-26T10:27:33","modified_gmt":"2024-10-26T10:27:33","slug":"bsi-22-30449831-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-22-30449831-dc\/","title":{"rendered":"BSI 22\/30449831 DC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\n30449831-NC.pdf <\/td>\n<\/tr>\n
3<\/td>\nISO_DIS 21360-5 ed.1 – id.80496 Enquiry PDF (en) (1).pdf <\/td>\n<\/tr>\n
6<\/td>\nForeword <\/td>\n<\/tr>\n
7<\/td>\nIntroduction <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
11<\/td>\n4 Symbols and abbreviated terms <\/td>\n<\/tr>\n
12<\/td>\n5 Test methods
5.1 General
5.1.1 Test gases
5.1.2 Vacuum chamber
5.1.3 Orifice <\/td>\n<\/tr>\n
13<\/td>\n5.1.4 Vacuum pumping system for rough pumping
5.1.5 Vacuum gauges
5.1.6 Temperature
5.1.7 Activation method of NEG <\/td>\n<\/tr>\n
14<\/td>\n5.1.8 Procedure of sample installation and activation
5.2 Throughput method for small NEG samples
5.2.1 Experimental setup <\/td>\n<\/tr>\n
16<\/td>\n5.2.2 Sample
5.2.3 Determination of getter pumping speed S and sorption quantity Cq <\/td>\n<\/tr>\n
18<\/td>\n5.2.4 Determination of apparent sticking probability \u03b1
5.2.5 Measurement procedure
5.2.6 Measurement uncertainty <\/td>\n<\/tr>\n
19<\/td>\n5.3 Throughput method with test dome
5.3.1 Experimental setup <\/td>\n<\/tr>\n
20<\/td>\n5.3.2 Sample <\/td>\n<\/tr>\n
21<\/td>\n5.3.3 Determination of getter pumping speed S and sorption quantity Cq
5.3.4 Determination of apparent sticking probability \u03b1
5.3.5 Measurement procedure
5.3.6 Measurement uncertainty <\/td>\n<\/tr>\n
22<\/td>\n5.4 Transmission method for NEG coatings
5.4.1 Experimental setup
5.4.2 Sample
5.4.3 Determination of average getter pumping speed per unit area SA and sorption quantity Cq <\/td>\n<\/tr>\n
24<\/td>\n5.4.4 Determination of apparent sticking probability \u03b1
5.4.5 Measurement procedure
5.4.6 Measurement uncertainty <\/td>\n<\/tr>\n
25<\/td>\n5.5 Combination of transmission method and throughput method with test dome <\/td>\n<\/tr>\n
26<\/td>\n6 Reporting
6.1 Small size of NEGs with the structure of pill, disk, ring, strip, module and cartridge
6.2 NEG pumps <\/td>\n<\/tr>\n
27<\/td>\n6.3 NEG coatings <\/td>\n<\/tr>\n
29<\/td>\nAnnex\u20acA (informative) Calculation method of the molecular conductance of orifice <\/td>\n<\/tr>\n
30<\/td>\nAnnex\u20acB (informative) Example of diagrams for pumping characteristics of NEG <\/td>\n<\/tr>\n
31<\/td>\nAnnex\u00a0C (informative) Typical value of initial apparent sticking probability \u03b10 of NEG at room temperature. <\/td>\n<\/tr>\n
33<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS ISO 21360-5. Vacuum technology. Standard methods for measuring vacuum-pump performance – Part 5. NEG vacuum pumps<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":410552,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-410544","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/410544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/410552"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=410544"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=410544"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=410544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}