{"id":3483,"date":"2014-06-14T11:16:48","date_gmt":"2014-06-14T11:16:48","guid":{"rendered":"https:\/\/www.apdiving.com\/en\/?p=3483"},"modified":"2016-07-19T11:12:25","modified_gmt":"2016-07-19T11:12:25","slug":"ap-diving-oxygen-cell-supply","status":"publish","type":"post","link":"https:\/\/www.apdiving.eu\/en\/ap-diving-oxygen-cell-supply\/","title":{"rendered":"AP Diving &#8211; Oxygen Cell supply"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3484\" src=\"https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n.jpg\" alt=\"10435416_468358209966953_4944203422315271226_n\" width=\"480\" height=\"480\" srcset=\"https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n.jpg 480w, https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n-150x150.jpg 150w, https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n-300x300.jpg 300w, https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n-70x70.jpg 70w, https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n-262x262.jpg 262w, https:\/\/www.apdiving.eu\/en\/wp-content\/uploads\/10435416_468358209966953_4944203422315271226_n-478x478.jpg 478w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Accuracy of cells<\/strong><br \/> While the Narked @ 90 cell and the APD16 cell are very stable they have an unfortunate trait in that once the Inspiration scrubber warms up from top to bottom, which is 15 to 20 mins after the start of the dive, the cells read 0.05 bar higher than the actual PO2<br \/> i.e. while the cells display 1.30 bar ( the setpoint) &#8211; the actual PO2, measured on a calibrated fast response external analyser, is in fact 1.25 bar.<br \/> Although undesirable, this trait is repeatable and reliable and so is easily compensated for.. simply by reducing the High Gradient factor slightly.<\/p>\n<p>Typically reducing the GF High by 5 is sufficient: If you use 90 normally \u2013 use 85; if you use 85 normally \u2013 use 80 etc.<\/p>\n<p><strong>Trimix Deco Software GF High Values\u00a0<\/strong><\/p>\n<div class=\"table-responsive\"><table  style=\"width:100%; \"  class=\"easy-table easy-table-ap \" >\n<thead>\r\n<tr><th >APD14<\/th>\n<th >APD16<\/th>\n<\/tr>\n<\/thead>\n<tbody>\r\n<tr><td >95<\/td>\n<td >90<\/td>\n<\/tr>\n\r\n<tr><td >90<\/td>\n<td >85<\/td>\n<\/tr>\n\r\n<tr><td >85<\/td>\n<td >80<\/td>\n<\/tr>\n<\/tbody><\/table><\/div>\n<p>If you have Nitrox decompression software you can achieve the same decompression safety level you are used to by changing the Conservatism level:<\/p>\n<p><strong>Nitrox Deco Software Conservatism\u00a0<\/strong><\/p>\n<div class=\"table-responsive\"><table  style=\"width:100%; \"  class=\"easy-table easy-table-ap \" >\n<thead>\r\n<tr><th >APD14<\/th>\n<th >APD16<\/th>\n<\/tr>\n<\/thead>\n<tbody>\r\n<tr><td >1<\/td>\n<td >3<\/td>\n<\/tr>\n\r\n<tr><td >2<\/td>\n<td >4<\/td>\n<\/tr>\n\r\n<tr><td >3<\/td>\n<td >5<\/td>\n<\/tr>\n\r\n<tr><td >4<\/td>\n<td >5<\/td>\n<\/tr>\n<\/tbody><\/table><\/div>\n<p><em>Extreme dives will require specific fore-planning and calculation of appropriate GF High values.<\/em><\/p>\n<p><strong>Cell mixing<\/strong><br \/> It is quite in order to use a mixture of the two types of cell, APD14 and APD16, but please bear in mind the dominant two will determine whether you need to adjust the GF high or not. i.e. if you have two APD14s and one APD16 then you wouldn\u2019t need to make the GF high adjustment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Due to interruptions in cell supply this year, steps have been taken to secure a second supplier. The cell from the new supplier, the same supplier as the Narked @ 90 cell, will have the designation APD16 and has a white label.<\/p>\n","protected":false},"author":4,"featured_media":4079,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[32,135,134,34,35,133,37],"class_list":["post-3483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-blog","tag-apd16","tag-apdiving","tag-cell","tag-o2","tag-oxygen","tag-rebreather","tag-update"],"_links":{"self":[{"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/posts\/3483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/comments?post=3483"}],"version-history":[{"count":8,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/posts\/3483\/revisions"}],"predecessor-version":[{"id":7966,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/posts\/3483\/revisions\/7966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/media\/4079"}],"wp:attachment":[{"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/media?parent=3483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/categories?post=3483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apdiving.eu\/en\/wp-json\/wp\/v2\/tags?post=3483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}