{"id":7413,"date":"2022-02-16T16:40:54","date_gmt":"2022-02-16T15:40:54","guid":{"rendered":"https:\/\/www.econox.com\/?page_id=7413"},"modified":"2025-03-04T10:17:06","modified_gmt":"2025-03-04T09:17:06","slug":"foire-aux-questions","status":"publish","type":"page","link":"https:\/\/www.econox.com\/fr\/sondes-a-oxygene\/foire-aux-questions","title":{"rendered":"FAQ"},"content":{"rendered":"

[et_pb_section fb_built=\u00a0\u00bb1″ custom_padding_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb admin_label=\u00a0\u00bbsection\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_color=\u00a0\u00bb#f5f5f5″ custom_padding=\u00a0\u00bb40px||40px|\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb50px|0|50px|0″ custom_padding_phone=\u00a0\u00bb\u00a0\u00bb transparent_background=\u00a0\u00bboff\u00a0\u00bb padding_mobile=\u00a0\u00bboff\u00a0\u00bb make_fullwidth=\u00a0\u00bboff\u00a0\u00bb use_custom_width=\u00a0\u00bboff\u00a0\u00bb width_unit=\u00a0\u00bbon\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row padding_mobile=\u00a0\u00bboff\u00a0\u00bb column_padding_mobile=\u00a0\u00bbon\u00a0\u00bb admin_label=\u00a0\u00bbrow\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb make_fullwidth=\u00a0\u00bboff\u00a0\u00bb use_custom_width=\u00a0\u00bboff\u00a0\u00bb width_unit=\u00a0\u00bbon\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbTexte\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

$\"\"$ La foire aux questions\u00a0<\/h1>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ fullwidth=\u00a0\u00bbon\u00a0\u00bb admin_label=\u00a0\u00bbSection\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_fullwidth_slider show_arrows=\u00a0\u00bboff\u00a0\u00bb show_pagination=\u00a0\u00bboff\u00a0\u00bb admin_label=\u00a0\u00bbCurseur de d\u00e9filement plein \u00e9cran desktop\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb80px||250px|\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb|||\u00a0\u00bb custom_padding_phone=\u00a0\u00bb||200px|\u00a0\u00bb custom_padding_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset6″ box_shadow_blur=\u00a0\u00bb10px\u00a0\u00bb box_shadow_color=\u00a0\u00bbrgba(0,0,0,0.1)\u00a0\u00bb top_padding=\u00a0\u00bb80px\u00a0\u00bb bottom_padding=\u00a0\u00bb250px\u00a0\u00bb 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button_two_bg_color__hover_enabled=\u00a0\u00bboff\u00a0\u00bb][et_pb_slide heading=\u00a0\u00bbToutes les questions et r\u00e9ponses relatives aux sondes \u00e0 oxyg\u00e8ne sign\u00e9es Econox !<\/strong>\u00a0\u00bb use_bg_overlay=\u00a0\u00bboff\u00a0\u00bb use_text_overlay=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ header_font=\u00a0\u00bb||||\u00a0\u00bb header_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb header_font_size=\u00a0\u00bb36″ body_font=\u00a0\u00bb||||\u00a0\u00bb background_color=\u00a0\u00bb#ffffff\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/www.econox.com\/wp-content\/uploads\/2022\/02\/foire-aux-questions-sonde-oxygene.jpg\u00a0\u00bb background_enable_image=\u00a0\u00bbon\u00a0\u00bb button_icon_placement=\u00a0\u00bbright\u00a0\u00bb button_on_hover=\u00a0\u00bbon\u00a0\u00bb header_font_size_tablet=\u00a0\u00bb16″ header_font_size_phone=\u00a0\u00bb16″ header_font_size_last_edited=\u00a0\u00bbon|phone\u00a0\u00bb 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button_two_border_radius__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_letter_spacing__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_one_letter_spacing__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_two_letter_spacing__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_bg_color__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_one_bg_color__hover_enabled=\u00a0\u00bboff\u00a0\u00bb button_two_bg_color__hover_enabled=\u00a0\u00bboff\u00a0\u00bb sticky_transition=\u00a0\u00bbon\u00a0\u00bb][\/et_pb_slide][\/et_pb_fullwidth_slider][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ admin_label=\u00a0\u00bbSection\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_5,1_5,1_5,1_5,1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#fonctionnement\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Comment fonctionne une sonde \u00e0 oxyg\u00e8ne ?<\/a><\/p>\n
[\/et_pb_text][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#longueur\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle longueur pour une sonde \u00e0 oxyg\u00e8ne ?<\/a><\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#purge\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
L’air de purge, c’est quoi ?\u00a0<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#temperature\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle temp\u00e9rature minimale ?<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#diff\u00e9rence\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle diff\u00e9rence entre la mesure %C et %O2 ?<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#vie\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle dur\u00e9e de vie pour une sonde \u00e0 oxyg\u00e8ne ?<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#thermocouple\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Des sondes vendues avec un thermocouple ?<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#avantage\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quels avantages de travailler avec Econox ?\u00a0<\/a><\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_5″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#syst\u00e8me\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Des sondes avec un syst\u00e8me diff\u00e9rent ?<\/a><\/p>\n

\u00a0<\/h3>\n
[\/et_pb_text][et_pb_text module_class=\u00a0\u00bbtext_faq\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb link_option_url=\u00a0\u00bb#avantage\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Que signifie une concentration en Oxyg\u00e8ne de 10\u207b\u00b2\u2074 bar ?<\/a><\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbComment fonctionne une sonde \u00e0 oxyg\u00e8ne ? Qu\u2019est-ce que l\u2019air de r\u00e9f\u00e9rence ?
\n\u00a0\u00bb module_id=\u00a0\u00bbfonctionnement\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb text_orientation=\u00a0\u00bbjustified\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

Comment fonctionne une sonde \u00e0 oxyg\u00e8ne\u00a0? Qu\u2019est-ce que l\u2019air de r\u00e9f\u00e9rence\u00a0?<\/span><\/h3>\n
Le principe de fonctionnement d\u2019une sonde \u00e0 oxyg\u00e8ne est la comparaison de deux pressions partielles d\u2019oxyg\u00e8ne dans deux milieux gazeux s\u00e9par\u00e9s.<\/strong> L\u2019oxyde de Zirconium (<\/span>ZrO2)<\/span> composant la cellule de mesure pr\u00e9sente des d\u00e9fauts du r\u00e9seau cristallin, c\u2019est-\u00e0-dire qu\u2019une partie des sites qui pourraient \u00eatre occup\u00e9s par des ions d\u2019oxyg\u00e8ne sont lacunaires. Pour que la comparaison de ces pressions partielles soit possible, il est n\u00e9cessaire d\u2019alimenter la sonde \u00e0 oxyg\u00e8ne avec un gaz dont on conna\u00eet la teneur en oxyg\u00e8ne (air ambiant : %O2 = 20,9%),\u00a0<\/span>c\u2019est ce qu\u2019on appelle l\u2019air de r\u00e9f\u00e9rence<\/b>.\u00a0<\/span><\/p>\n
La propri\u00e9t\u00e9 de cette c\u00e9ramique est de permettre le d\u00e9placement de ces ions d\u2019oxyg\u00e8ne \u00e0 une temp\u00e9rature sup\u00e9rieure \u00e0 600\u00b0C. L\u2019\u00e9l\u00e9ment de mesure devient alors conducteur. La tension ainsi g\u00e9n\u00e9r\u00e9e exprime un rapport entre la diff\u00e9rence relative des concentrations d\u2019oxyg\u00e8ne et la temp\u00e9rature de l\u2019atmosph\u00e8re de traitement.<\/strong><\/span><\/p>\n
Une fois la valeur de la tension (qui varie entre 0 et 1200mV) mesur\u00e9e, on peut facilement calculer la concentration en oxyg\u00e8ne gr\u00e2ce \u00e0 l\u2019\u00e9quation de Nernst<\/a><\/strong> pour obtenir un %O2 ou alors en connaissant la teneur en CO (soit par analyse, soit par calcul th\u00e9orique).\u00a0 On peut alors d\u00e9terminer le potentiel carbone (%C) de son atmosph\u00e8re de traitement thermique.<\/span><\/p>\n
[\/et_pb_text][et_pb_button button_url=\u00a0\u00bbhttps:\/\/www.econox.com\/fr\/sondes-a-oxygene\/principe-de-fonctionnement\u00a0\u00bb button_text=\u00a0\u00bbD\u00e9couvrez le fonctionnement d’une sonde \u00e0 oxyg\u00e8ne \u00a0\u00bb button_alignment=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][et_pb_text admin_label=\u00a0\u00bbQu\u2019est-ce que l\u2019air de purge (ou nettoyage) et pourquoi toutes les sondes n\u2019en sont pas \u00e9quip\u00e9es ?\u00a0\u00bb module_id=\u00a0\u00bbpurge\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

Qu\u2019est-ce que l\u2019air de purge (ou nettoyage) et pourquoi toutes les sondes n\u2019en sont pas \u00e9quip\u00e9es\u00a0?<\/span><\/h3>\n
L\u2019air de purge (ou de nettoyage) est utilis\u00e9 sur nos sondes pour la mesure du %C\u00a0<\/strong><\/a> (CarboProbe ZI Pro, ZS Pro, ST et ST-E) uniquement pour nettoyer l\u2019\u00e9l\u00e9ment de mesure en ZrO2 avec un flux d\u2019air frais.\u00a0<\/span><\/p>\n
Dans le traitement thermique, l\u2019\u00e9l\u00e9ment de mesure peut s\u2019encrasser<\/strong> avec des d\u00e9p\u00f4ts de suie form\u00e9e de carbone (d\u00fb \u00e0 l\u2019atmosph\u00e8re riche en carbone dans laquelle ces sondes sont utilis\u00e9es). Un apport d\u2019air frais<\/strong> permet de \u00ab br\u00fbler \u00bb les suies et de lib\u00e9rer l\u2019\u00e9l\u00e9ment de mesure de ce d\u00e9p\u00f4t. Si ce nettoyage<\/strong> n\u2019est pas r\u00e9alis\u00e9 \u00e0 intervalle r\u00e9gulier,<\/strong> la mesure de la sonde sera alors fauss\u00e9e.<\/span><\/p>\n
Attention\u00a0<\/b>:\u00a0 Le br\u00fblage des suies entra\u00eene une hausse significative de la temp\u00e9rature<\/strong> qui peut d\u00e9truire l\u2019\u00e9l\u00e9ment de mesure si elle n\u2019est pas contr\u00f4l\u00e9e (voir le mode d\u2019emploi de la sonde pour plus d\u2019information).<\/span><\/p>\n
L\u2019air de purge (ou de nettoyage) n\u2019est pas disponible pour les CarboProbe CP, DS, LT et HT.<\/strong> Celles-ci ne <\/span>peuvent pas \u00eatre utilis\u00e9es dans des atmosph\u00e8res carburantes (avec du carbone)<\/b>. Il n\u2019y a donc pas de d\u00e9p\u00f4ts de suie qui puisse \u00eatre br\u00fbl\u00e9 par le processus de nettoyage. L\u2019air de nettoyage ne peut pas nettoyer d\u2019autres d\u00e9p\u00f4ts que ceux en carbone (comme des r\u00e9sidus d\u2019incin\u00e9ration par exemple).<\/span><\/p>\n
[\/et_pb_text][et_pb_button button_url=\u00a0\u00bbhttps:\/\/www.econox.com\/fr\/sondes-a-oxygene\/comparaison-des-produits-c\u00a0\u00bb button_text=\u00a0\u00bbD\u00e9couvrez nos sondes pour carbone \u00a0\u00bb button_alignment=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=\u00a0\u00bbLigne\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbQuelle est la diff\u00e9rence entre la mesure du %C (potentiel carbone) et du %O2 (pourcentage d\u2019oxyg\u00e8ne) ?\u00a0\u00bb module_id=\u00a0\u00bbdiff\u00e9rence\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle est la diff\u00e9rence entre la mesure du %C (potentiel carbone) et du %O2 (pourcentage d\u2019oxyg\u00e8ne)\u00a0?<\/span><\/h3>\n
Il n\u2019y a aucune diff\u00e9rence<\/strong> dans la mesure de la sonde elle-m\u00eame\u00a0!<\/span><\/p>\n
Toutes les sondes g\u00e9n\u00e8rent les m\u00eames millivolts<\/strong> (mV) qu\u2019elles soient dans une atmosph\u00e8re riche en carbone ou en oxyg\u00e8ne. C\u2019est le calcul qui est fait en aval<\/strong> de la mesure qui permet de calculer soit le %C<\/strong>, dans le domaine du traitement thermique ou le %O2<\/strong> dans les autres domaines.\u00a0<\/span><\/p>\n
Il est \u00e0 noter que les sondes pr\u00e9vues pour la mesure de l\u2019oxyg\u00e8ne (%O2)<\/strong><\/a> poss\u00e8dent des \u00e9lectrodes qui <\/span>ne r\u00e9sistent pas \u00e0 des atmosph\u00e8res carburantes<\/b> (avec du carbone). C\u2019est la raison pour laquelle ces sondes ne peuvent pas \u00eatre utilis\u00e9es dans le domaine du traitement thermique.<\/span><\/p>\n
Le contraire n\u2019est pas valable, une sonde pour le traitement thermique (%C)\u00a0<\/strong> peut \u00eatre utilis\u00e9e dans un processus de mesure de l\u2019oxyg\u00e8ne, mais jusqu\u2019\u00e0 une temp\u00e9rature maximale de 1100\u00b0C<\/strong>, au-dessus l\u2019\u00e9lectrode en m\u00e9tal va fondre.<\/span><\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbPourquoi certaines sondes sont vendues avec un thermocouple pour mesurer la temp\u00e9rature ?\u00a0\u00bb module_id=\u00a0\u00bbthermocouple\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Pourquoi certaines sondes sont vendues avec un thermocouple pour mesurer la temp\u00e9rature\u00a0?<\/span><\/h3>\n
L\u2019\u00e9quation qui permet le calcul du %O2 ou du %C<\/strong> n\u00e9cessite de connaitre la temp\u00e9rature \u00e0 laquelle la mesure est r\u00e9alis\u00e9e. Cette temp\u00e9rature peut \u00eatre obtenue par un thermocouple<\/strong> \u00e0 l\u2019int\u00e9rieur de la sonde ou par un thermocouple pr\u00e9sent ailleurs sur le four.<\/span><\/p>\n
Attention\u00a0<\/b>: Si votre four n\u2019est pas homog\u00e8ne d\u2019un point de vue temp\u00e9rature il est important que la mesure de la temp\u00e9rature<\/strong> soit faite le plus proche possible de la sonde \u00e0 oxyg\u00e8ne<\/strong> pour \u00e9viter des erreurs de calculs du %C ou %O2.\u00a0<\/span><\/p>\n
Un thermocouple interne<\/strong> \u00e0 la sonde est donc id\u00e9al pour une mesure pr\u00e9cise.<\/span><\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ custom_padding_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb admin_label=\u00a0\u00bbBandeau – boutons sondes\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_color=\u00a0\u00bb#f5f5f5″ background_image=\u00a0\u00bbhttps:\/\/www.econox.com\/wp-content\/uploads\/2017\/03\/back-eco.png\u00a0\u00bb custom_padding=\u00a0\u00bb0px||30px|\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb50px|0|50px|0″ custom_padding_phone=\u00a0\u00bb\u00a0\u00bb transparent_background=\u00a0\u00bboff\u00a0\u00bb padding_mobile=\u00a0\u00bboff\u00a0\u00bb make_fullwidth=\u00a0\u00bboff\u00a0\u00bb use_custom_width=\u00a0\u00bboff\u00a0\u00bb width_unit=\u00a0\u00bbon\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row padding_mobile=\u00a0\u00bboff\u00a0\u00bb column_padding_mobile=\u00a0\u00bbon\u00a0\u00bb admin_label=\u00a0\u00bbLigne\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_enable_image=\u00a0\u00bboff\u00a0\u00bb background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb custom_margin=\u00a0\u00bb||0px|\u00a0\u00bb custom_padding=\u00a0\u00bb90px||40px|\u00a0\u00bb make_fullwidth=\u00a0\u00bboff\u00a0\u00bb use_custom_width=\u00a0\u00bboff\u00a0\u00bb width_unit=\u00a0\u00bbon\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.16″ custom_padding=\u00a0\u00bb|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb custom_padding__hover=\u00a0\u00bb|||\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbTexte\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_size=\u00a0\u00bbinitial\u00a0\u00bb background_position=\u00a0\u00bbtop_left\u00a0\u00bb background_repeat=\u00a0\u00bbrepeat\u00a0\u00bb text_orientation=\u00a0\u00bbcenter\u00a0\u00bb module_alignment=\u00a0\u00bbcenter\u00a0\u00bb use_border_color=\u00a0\u00bboff\u00a0\u00bb border_color=\u00a0\u00bb#ffffff\u00a0\u00bb border_style=\u00a0\u00bbsolid\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
D\u00e9couvrez nos sondes \u00e0 oxyg\u00e8nes %O2 et \u00e0 carbone %C\u00a0<\/span><\/h4>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/www.econox.com\/fr\/sondes-a-oxygene\/comparaison-des-produits-o2″ button_text=\u00a0\u00bbD\u00e9couvrez nos sondes \u00e0 oxyg\u00e8ne\u00a0\u00bb button_alignment=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/www.econox.com\/fr\/sondes-a-oxygene\/comparaison-des-produits-c\u00a0\u00bb button_text=\u00a0\u00bbD\u00e9couvrez nos sondes pour carbone \u00a0\u00bb button_alignment=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ custom_padding_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb admin_label=\u00a0\u00bbSuite – FAQ\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ background_color=\u00a0\u00bbRGBA(0,0,0,0)\u00a0\u00bb background_enable_image=\u00a0\u00bboff\u00a0\u00bb custom_padding=\u00a0\u00bb0px||30px|\u00a0\u00bb custom_padding_tablet=\u00a0\u00bb50px|0|50px|0″ custom_padding_phone=\u00a0\u00bb\u00a0\u00bb transparent_background=\u00a0\u00bboff\u00a0\u00bb padding_mobile=\u00a0\u00bboff\u00a0\u00bb make_fullwidth=\u00a0\u00bboff\u00a0\u00bb use_custom_width=\u00a0\u00bboff\u00a0\u00bb width_unit=\u00a0\u00bbon\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text admin_label=\u00a0\u00bbPourquoi Econox utilise-t-elle deux syst\u00e8mes diff\u00e9rents en oxyde de zirconium (ZrO2) dans ses sondes \u00e0 oxyg\u00e8ne ?\u00a0\u00bb module_id=\u00a0\u00bbsyst\u00e8me\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Pourquoi Econox utilise-t-elle deux syst\u00e8mes diff\u00e9rents en oxyde de zirconium (<\/span>ZrO2)<\/span> dans ses sondes \u00e0 oxyg\u00e8ne\u00a0?<\/span><\/h3>\n
Historiquement Econox<\/strong> a toujours utilis\u00e9 une bille en oxyde de zirconium pour la mesure du %C dans les atmosph\u00e8res du traitement thermique. De nombreuses ann\u00e9es plus tard, un autre syst\u00e8me a \u00e9t\u00e9 introduit.<\/span><\/p>\n
Il appara\u00eet que dans certains cas particuliers l\u2019utilisation d\u2019un ou de l\u2019autre cellule ZrO2<\/strong> peut donner une dur\u00e9e de vie l\u00e9g\u00e8rement plus longue.<\/strong> La force d\u2019Econox est donc de pouvoir vous proposer 2 syst\u00e8mes<\/strong> si l\u2019un deux devait ne pas donner les r\u00e9sultats attendus.<\/span><\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbQuelles sont les longueurs standards des sondes Econox ?\u00a0\u00bb module_id=\u00a0\u00bblongueur\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelles sont les longueurs standards des sondes Econox\u00a0?<\/span><\/h3>\n
Les sondes pour le traitement thermique<\/strong> poss\u00e8dent des tubes externes en m\u00e9tal. Les longueurs sont donc fixes<\/strong> entre 350mm jusqu\u2019\u00e0 1300mm, pour des raisons \u00e9videntes de stock et de fabrication.<\/span><\/p>\n
Concernant les sondes pour la mesure de l\u2019oxyg\u00e8ne,<\/strong> m\u00eame si les longueurs sont normalement fixes, nous pouvons les adapter<\/strong> en coupant la c\u00e9ramique \u00e0 la longueur d\u00e9sir\u00e9e. Il est alors possible de fournir une sonde \u00e0 la longueur exacte selon le souhait du client.<\/span><\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbPourquoi les sondes Econox ne fonctionnent-elles qu\u2019\u00e0 partir de 600\u00b0C ?\u00a0\u00bb module_id=\u00a0\u00bbtemperature\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Pourquoi les sondes Econox ne fonctionnent-elles qu\u2019\u00e0 partir de 600\u00b0C\u00a0?<\/span><\/h3>\n
Cette limitation est physique et chimique<\/strong>, en effet la cellule de mesure en oxyde de zirconium (ZrO2) ne devient r\u00e9active qu\u2019\u00e0 partir de 600\u00b0C<\/strong>. Ceci est valable pour toutes les sondes du march\u00e9 utilisant une cellule en oxyde de zirconium.\u00a0<\/span><\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbQuelle est la dur\u00e9e de vie d\u2019une sonde \u00e0 oxyg\u00e8ne ?\u00a0\u00bb module_id=\u00a0\u00bbvie\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quelle est la dur\u00e9e de vie d\u2019une sonde \u00e0 oxyg\u00e8ne\u00a0?<\/span><\/h3>\n
L\u2019\u00e9l\u00e9ment de mesure en <\/span>ZrO2<\/span> des sondes \u00e0 oxyg\u00e8ne a une dur\u00e9e de vie limit\u00e9e dans le temps<\/strong>. Sa couche superficielle s\u2019alt\u00e8re en fonction des impuret\u00e9s<\/strong> en suspension dans l\u2019atmosph\u00e8re de traitement. Pour ces raisons, l\u2019utilisateur est appel\u00e9 \u00e0 changer cet \u00e9l\u00e9ment de mesure d\u00e8s que la mesure ne correspond plus \u00e0 ce qui est attendu.<\/span><\/p>\n
D\u00e9pendant de l\u2019utilisation et de l\u2019atmosph\u00e8re dans laquelle elle est utilis\u00e9e, la dur\u00e9e de vie d\u2019une sonde peut varier entre 6 mois et 24 mois environ.<\/strong><\/span><\/p>\n
<\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbQuels sont les avantages de travailler avec Econox ?\u00a0\u00bb module_id=\u00a0\u00bbavantage\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.16″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Quels sont les avantages de travailler avec Econox\u00a0?<\/span><\/h3>\n
Nous sommes une petite soci\u00e9t\u00e9 familiale<\/strong> avec la qualit\u00e9 et le client au c\u0153ur de notre business. Nous ne sommes pas rattach\u00e9s \u00e0 un grand groupe, ce qui nous permet d\u2019\u00eatre tr\u00e8s r\u00e9actifs<\/strong> dans la r\u00e9solution de vos probl\u00e8mes, dans nos d\u00e9lais de livraison, le support ou les demandes particuli\u00e8res<\/strong> que nos clients pourraient avoir.<\/span><\/p>\n
[\/et_pb_text][et_pb_text admin_label=\u00a0\u00bbQue signifie une concentration en Oxyg\u00e8ne de 10\u207b\u00b2\u2074 bar ?\u00a0\u00bb module_id=\u00a0\u00bbavantage\u00a0\u00bb module_class=\u00a0\u00bbcred-item\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n
Que signifie une concentration en Oxyg\u00e8ne de 10\u207b\u00b2\u2074 bar\u00a0?<\/h3>\n
La notation <\/span>10<\/b>\u207b<\/b>\u00b2\u2074 bar<\/b> (ou formul\u00e9 1.E-24) en lien avec la concentration en oxyg\u00e8ne se r\u00e9f\u00e8re \u00e0 une <\/span>pression partielle extr\u00eamement faible d\u2019oxyg\u00e8ne<\/b> dans un environnement donn\u00e9. Voici une explication d\u00e9taill\u00e9e :<\/span><\/p>\n
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Notion de pression partielle d\u2019oxyg\u00e8ne<\/b><\/li>\n<\/ol>\n
La <\/span>pression partielle<\/b> d\u2019un gaz dans un m\u00e9lange repr\u00e9sente la pression qu\u2019il exercerait s\u2019il \u00e9tait seul dans le m\u00eame volume. Elle est souvent exprim\u00e9e en <\/span>bar<\/b> (ou en Pascals, 1 bar = 100 000 Pa).<\/span><\/p>\n
\u00c0 titre de comparaison, l\u2019air ambiant contient environ <\/span>21 % d\u2019oxyg\u00e8ne<\/b>, et la pression atmosph\u00e9rique est d\u2019environ <\/span>1 bar<\/b>. Donc, la pression partielle d\u2019oxyg\u00e8ne dans l\u2019air normal est\u00a0<\/span><\/p>\n
1 x 0,21 = 0,21\u00a0 bar<\/span><\/p>\n
\n
Signification de 10<\/b>\u207b<\/b>\u00b2\u2074 bar<\/b><\/li>\n<\/ol>\n
\n
Une pression de <\/span>10\u207b\u00b2\u2074 bar<\/b> signifie une concentration <\/span>extr\u00eamement faible<\/b> en oxyg\u00e8ne.<\/span><\/li>\n<\/ul>\n
\u2022 Pour donner un ordre de grandeur, cette pression est <\/span>trillions de fois plus basse<\/b> que la pression partielle d\u2019oxyg\u00e8ne dans l\u2019air.<\/span><\/p>\n
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Besoin d’un conseil sur un produit Econox ? D’une sonde \u00e0 oxyg\u00e8ne ?<\/h2>\n
Vous souhaitez recevoir plus d’informations ?<\/h3>\n
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La foire aux questions\u00a0Comment fonctionne une sonde \u00e0 oxyg\u00e8ne ?Quelle longueur pour une sonde \u00e0 oxyg\u00e8ne ?L’air de purge, c’est quoi ?\u00a0 \u00a0Quelle temp\u00e9rature minimale ? \u00a0Quelle diff\u00e9rence entre la mesure %C et %O2 ? \u00a0Quelle dur\u00e9e de vie pour une sonde \u00e0 oxyg\u00e8ne ? \u00a0Des sondes vendues avec un thermocouple ? \u00a0Quels avantages de […]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":197,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"yoast_head":"\nFAQ : la r\u00e9ponse \u00e0 toutes vos questions sur la sonde \u00e0 oxyg\u00e8ne !<\/title>\n<meta name=\"description\" content=\"La Foire aux Questions : la r\u00e9ponse \u00e0 toutes vos questions sur votre sonde \u00e0 oxyg\u00e8ne avec Econox ! 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