{"id":8054,"date":"2019-03-29T12:13:39","date_gmt":"2019-03-29T11:13:39","guid":{"rendered":"https:\/\/blog-stage.wika.cloudpowered.services\/pl\/?p=8054"},"modified":"2024-11-14T15:57:16","modified_gmt":"2024-11-14T14:57:16","slug":"pt100-pt1000-czy-ntc-ktora-opcja-jest-wlasciwa","status":"publish","type":"post","link":"https:\/\/blog-stage.wika.cloudpowered.services\/pl\/knowhow\/pt100-pt1000-czy-ntc-ktora-opcja-jest-wlasciwa\/","title":{"rendered":"Pt100, Pt1000 czy NTC \u2013 kt\u00f3ra opcja jest w\u0142a\u015bciwa?"},"content":{"rendered":"<p><strong>In\u017cynierowie &#8211; szczeg\u00f3lnie ci zwi\u0105zani z budow\u0105 maszyn &#8211; cz\u0119sto pytaj\u0105 mnie, kt\u00f3ry element pomiarowy jest dla nich odpowiedni. Z tego powodu pragn\u0119 po\u015bwi\u0119ci\u0107 niniejszy artyku\u0142 na om\u00f3wienie r\u00f3\u017cnic pomi\u0119dzy najcz\u0119\u015bciej stosowanymi rezystorami pomiarowymi: Pt100, Pt1000 i NTC. Wi\u0119cej szczeg\u00f3\u0142\u00f3w na temat rzadziej u\u017cywanych element\u00f3w pomiarowych &#8211; czujnik\u00f3w Ni1000 i KTY -znajd\u0105 pa\u0144stwo w por\u00f3wnaniu na ko\u0144cu tego artyku\u0142u.<\/strong><\/p>\n<h2>Pt100, Pt1000 czy NTC?<\/h2>\n<p>Termometry rezystancyjne oparte o <a href=\"https:\/\/www.wika.com\/pl-pl\/lp_pt100_pt1000.WIKA\" rel=\"external\" target=\"_blank\">Pt100<\/a>, Pt1000 (dodatni wsp\u00f3\u0142czynnik temperaturowy PTC) i NTC (ujemny wsp\u00f3\u0142czynnik temperaturowy) s\u0105 stosowane w przemy\u015ble wsz\u0119dzie tam, gdzie s\u0105 mierzone temperatury od niskich do \u015brednich. W przemy\u015ble przetw\u00f3rczym u\u017cywa si\u0119 niemal wy\u0142\u0105cznie element\u00f3w pomiarowych Pt100 i Pt1000, podczas gdy NTC &#8211; ze wzgl\u0119du na koszty i nie tylko &#8211; jest cz\u0119sto stosowany w przemy\u015ble maszynowym. Poniewa\u017c elementy pomiarowe Pt100 i Pt1000 s\u0105 te\u017c produkowane w technologii cienkowarstwowej, zawarto\u015b\u0107 platyny mo\u017cna zredukowa\u0107 do minimum. W rezultacie r\u00f3\u017cnica cen w por\u00f3wnaniu z NTC mo\u017ce by\u0107 tak zmniejszona, \u017ce przej\u015bcie z NTC na Pt100 lub Pt1000 w przedziale \u015brednich ilo\u015bci sta\u0142oby si\u0119 interesuj\u0105ce. Szczeg\u00f3lnie, \u017ce platynowe rezystory pomiarowe oferuj\u0105 znaczne korzy\u015bci w stosunku do opartych o ujemne wsp\u00f3\u0142czynniki temperatury.<\/p>\n<h2>Zalety i wady r\u00f3\u017cnych element\u00f3w pomiarowych<\/h2>\n<p>Elementy platynowe Pt100 i Pt1000 maj\u0105 t\u0119 zalet\u0119, \u017ce spe\u0142niaj\u0105 mi\u0119dzynarodowe normy (IEC 751 \/ DIN EN 60 751). Ze wzgl\u0119du na kryteria materia\u0142owe i produkcyjne, normalizacja element\u00f3w p\u00f3\u0142przewodnikowych, takich jak NTC, nie jest mo\u017cliwa. Z tego powodu mo\u017cliwo\u015bci ich wymiennego stosowania s\u0105 ograniczone. Innymi zaletami element\u00f3w platynowych jest lepsza stabilno\u015b\u0107 d\u0142ugoterminowa i lepsze zachowanie w cyklach temperatury, szersze zakresy temperatur, a tak\u017ce wysoka liniowo\u015b\u0107 i dok\u0142adno\u015b\u0107 pomiaru. Wysoka dok\u0142adno\u015b\u0107 pomiaru i liniowo\u015b\u0107 s\u0105 osi\u0105galne tak\u017ce w przypadku NTC, jednak wy\u0142\u0105cznie w bardzo ograniczonym zakresie temperatur. Podczas gdy Pt100 i <a href=\"https:\/\/www.wika.com\/pl-pl\/lp_pt100_pt1000.WIKA\" rel=\"external\" target=\"_blank\">Pt1000<\/a> w technologii cienkowarstwowej s\u0105 odpowiednie dla temperatur do 500\u00b0C, standardowe NTC sprawdza si\u0119 w temperaturach do ok. 150\u00b0C.<\/p>\n<h2>Wp\u0142yw linii zasilaj\u0105cych<\/h2>\n<p>Rezystancja przewodu zasilaj\u0105cego ma wp\u0142yw na pomiary dokonywane przez 2-przewodowe czujniki temperatury, w zwi\u0105zku z czym musi by\u0107 brana pod uwag\u0119. Dla kabla miedzianego o przekroju 0,22 mm2 obowi\u0105zuje nast\u0119puj\u0105ca warto\u015b\u0107 orientacyjna: 0,162 \u03a9\/m \u2192 0,42 \u00b0C\/m dla <a href=\"https:\/\/www.wika.com\/pl-pl\/lp_czujniki_temperatury.WIKA\" rel=\"external\" target=\"_blank\">Pt100<\/a>. Alternatywnie mo\u017cna wybra\u0107 wersj\u0119 z Pt1000, przy czym wp\u0142yw linii zasilaj\u0105cej (przy 0,04 \u00b0C\/m) jest mniejszy o wsp\u00f3\u0142czynnik 10. Wp\u0142yw rezystancji przewodu zasilaj\u0105cego w por\u00f3wnaniu z rezystancj\u0105 podstawow\u0105 R25 dla elementu pomiarowego NTC jest znacznie mniej zauwa\u017calny. Ze wzgl\u0119du na nachylenie krzywej charakterystyki NTC, wp\u0142yw przewodu zasilaj\u0105cego w wy\u017cszych temperaturach wzrasta nieproporcjonalnie.<\/p>\n<h2>Wnioski<\/h2>\n<p>Bior\u0105c pod uwag\u0119 koszty, stosowanie NTC w przypadku du\u017cych ilo\u015bci jest nadal zasadne. Dla ma\u0142ych i \u015brednich partii polecam u\u017cycie platynowego rezystora pomiarowego. Zastosowanie Pt1000 wyprodukowanego w technologii cienkowarstwowej jest doskona\u0142ym kompromisem pomi\u0119dzy kosztami a dok\u0142adno\u015bci\u0105 pomiaru. Dla Pa\u0144stwa wygody, w poni\u017cszej tabeli zestawi\u0142em mocne i s\u0142abe strony r\u00f3\u017cnych element\u00f3w pomiarowych:<\/p>\n<p>&nbsp;<\/p>\n<table style=\"background-color: #686663\" border=\"1\">\n<tbody>\n<tr style=\"height: 49px\">\n<td style=\"background-color: #d9d9d9;height: 49px\"><strong> Mocne i s\u0142abe strony r\u00f3\u017cnych element\u00f3w pomiarowych<\/strong><\/td>\n<td style=\"background-color: #d9d9d9;height: 49px\">NTC<\/td>\n<td style=\"background-color: #d9d9d9;height: 49px\">Pt100\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 49px\">\u00a0PT1000<\/td>\n<td style=\"background-color: #d9d9d9;height: 49px\">\u00a0Ni1000<\/td>\n<td style=\"background-color: #d9d9d9;height: 49px\">KTY\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">\u00a0Zakres temperatury<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">\u00a0&#8211;<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">\u00a0&#8211;<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">\u00a0Dok\u0142adno\u015b\u0107<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">\u00a0&#8211;<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">Liniowo\u015b\u0107<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">Stabilno\u015b\u0107 d\u0142ugoterminowa<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">Normy mi\u0119dzynarodowe<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">Czu\u0142o\u015b\u0107 temperaturowa (dR\/dT)<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d9d9d9;height: 50px\">Wp\u0142yw linii zasilaj\u0105cej<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">++\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">&#8211;\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<td style=\"background-color: #d9d9d9;height: 50px\">+\u00a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Uwaga<br \/>\n<\/strong>Oferowane przez nas <a href=\"https:\/\/www.wika.com\/pl-pl\/mobilne_maszyny_robocze.WIKA\" rel=\"external\" target=\"_blank\">czujniki temperatury dla przemys\u0142u maszynowego <\/a>s\u0105 dost\u0119pne ze wszystkimi powszechnie stosowanymi elementami pomiarowymi. Wi\u0119cej informacji mo\u017cna znale\u017a\u0107 na stronie internetowej firmy WIKA. Krzywe charakterystyki r\u00f3\u017cnych element\u00f3w pomiarowych s\u0105 dost\u0119pne do wgl\u0105du pod adresem:<\/p>\n\n      <div class=\"wp-caption alignnone\" style=\"max-width:846px;\"><a href=\"https:\/\/blog-stage.wika.cloudpowered.services\/de\/files\/2015\/12\/blog_2015-10_kennlinienmesselemente_rdss.jpg\"><img decoding=\"async\" src=\"https:\/\/blog-stage.wika.cloudpowered.services\/de\/files\/2015\/12\/blog_2015-10_kennlinienmesselemente_rdss-838x471.jpg\" alt=\"Charakterystyka r\u00f3\u017cnych element\u00f3w pomiarowych\" title=\"Charakterystyka r\u00f3\u017cnych element\u00f3w pomiarowych\" \/><\/a><p class=\"wp-caption-text\">Charakterystyka r\u00f3\u017cnych element\u00f3w pomiarowych<\/p><\/div>\n    \n<p>Wi\u0119cej informacji o r\u00f3\u017cnicach mi\u0119dzy kalibracj\u0105 fabryczn\u0105 a kalibracj\u0105 identyfikowaln\u0105 mo\u017cna znale\u017a\u0107 w poni\u017cszym materiale wideo:<\/p>\n<div data-fullscreen=\"disabled\" data-mode=\"normal\" data-oembed=\"1\" data-provider=\"youtube\" data-reset-after-played id=\"arve-youtube-hxmytpddn7g\" style=\"max-width:900px;\" class=\"arve\">\n<div class=\"arve-inner\">\n<div style=\"aspect-ratio:500\/281\" class=\"arve-embed arve-embed--has-aspect-ratio\">\n<div class=\"arve-ar\" style=\"padding-top:56.200000%\"><\/div>\n<p>\t\t\t<iframe allow=\"accelerometer &apos;none&apos;;autoplay &apos;none&apos;;bluetooth &apos;none&apos;;browsing-topics &apos;none&apos;;camera &apos;none&apos;;clipboard-read &apos;none&apos;;clipboard-write;display-capture &apos;none&apos;;encrypted-media &apos;none&apos;;gamepad &apos;none&apos;;geolocation &apos;none&apos;;gyroscope &apos;none&apos;;hid &apos;none&apos;;identity-credentials-get &apos;none&apos;;idle-detection &apos;none&apos;;keyboard-map &apos;none&apos;;local-fonts;magnetometer &apos;none&apos;;microphone &apos;none&apos;;midi &apos;none&apos;;otp-credentials &apos;none&apos;;payment &apos;none&apos;;picture-in-picture;publickey-credentials-create &apos;none&apos;;publickey-credentials-get &apos;none&apos;;screen-wake-lock &apos;none&apos;;serial &apos;none&apos;;summarizer &apos;none&apos;;sync-xhr;usb &apos;none&apos;;web-share;window-management &apos;none&apos;;xr-spatial-tracking &apos;none&apos;;\" allowfullscreen=\"\" class=\"arve-iframe fitvidsignore\" credentialless data-arve=\"arve-youtube-hxmytpddn7g\" data-lenis-prevent=\"\" data-src-no-ap=\"https:\/\/www.youtube-nocookie.com\/embed\/HXMytpddn7g?feature=oembed&amp;iv_load_policy=3&amp;modestbranding=1&amp;rel=0&amp;autohide=1&amp;playsinline=0&amp;autoplay=0&amp;enablejsapi=1\" frameborder=\"0\" height=\"505.8\" loading=\"lazy\" name=\"\" referrerpolicy=\"strict-origin-when-cross-origin\" sandbox=\"allow-scripts allow-same-origin allow-presentation allow-popups allow-popups-to-escape-sandbox\" scrolling=\"no\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/HXMytpddn7g?feature=oembed&#038;iv_load_policy=3&#038;modestbranding=1&#038;rel=0&#038;autohide=1&#038;playsinline=0&#038;autoplay=0&#038;enablejsapi=1\" title=\"How does a resistance thermometer work? | Resistance thermometers per IEC 60751\" width=\"900\"><\/iframe><\/p><\/div>\n<\/p><\/div>\n<p>\t<script type=\"application\/ld+json\">{\"@context\":\"http:\\\/\\\/schema.org\\\/\",\"@id\":\"https:\\\/\\\/blog-stage.wika.cloudpowered.services\\\/pl\\\/knowhow\\\/pt100-pt1000-czy-ntc-ktora-opcja-jest-wlasciwa\\\/#arve-youtube-hxmytpddn7g\",\"type\":\"VideoObject\",\"embedURL\":\"https:\\\/\\\/www.youtube-nocookie.com\\\/embed\\\/HXMytpddn7g?feature=oembed&iv_load_policy=3&modestbranding=1&rel=0&autohide=1&playsinline=0&autoplay=0&enablejsapi=1\",\"name\":\"How does a resistance thermometer work? | Resistance thermometers per IEC 60751\",\"thumbnailUrl\":\"https:\\\/\\\/i.ytimg.com\\\/vi\\\/HXMytpddn7g\\\/hqdefault.jpg\",\"uploadDate\":\"2019-03-08T15:11:46Z\",\"author\":\"WIKA Group\",\"description\":\"What exactly is a resistance thermometer, a Pt100 or a Pt1000 sensor? How do Pt100 and Pt1000 resistance sensors differ? These and other important differences are explained in this video about electrical thermometers.\\n\\n#Temperature #ProcessControl #Thermometer #TemperatureMeasurement #IndustrialAutomation\\n\\n\\u25ac Contents of this video \\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac\\u25ac \\n0:00 Intro \\n0:12 Resistance thermometer working principle\\n0:47 Platinum resistance thermometer range\\n1:21 RTD: accuracy and standard measuring range\\n1:57 Pt100 temperature sensor: an industrial standard\\n2:10 Pt1000 and Pt25: for special cases\\n\\u00a0\\nUsually, two different types of electrical thermometers are used in industrial applications \\u2013 resistance thermometers and thermocouples. How thermocouples work is explained in this video:  With resistance thermometers, the temperature is determined using an ohmic measuring resistor. The \\u201cPt\\u201d in Pt100 stands for the chemical element platinum, the next digit indicates the resistance value of the sensor at zero degrees Celsius. The most frequently used measuring resistor, the Pt100, therefore has an electrical resistance of 100 \\u03a9 (ohms) at 0 \\u00b0C. In special applications, Pt1000 temperature sensors are also used. As the temperature drops or rises, the electrical resistance changes \\u2013 following a defined characteristic curve which is regulated by international standards. The temperature can be determined very precisely on the basis of the measured resistance.\\n\\u00a0\\nAccuracy and measuring ranges of Pt100\\\/Pt1000 temperature probes\\nAs with the traditional dial thermometer (see also our video for correct reading of thermometers:  the resistance thermometer has different accuracy classes. The following applies: The more accurately a resistance thermometer should measure, the more limited its permissible measuring range is. Likewise, you must also consider the type (design) of the measuring resistor.\\nIs a thin-film or wire-wound resistor used? Depending on the measuring resistor selected, there are different temperature measuring ranges based on the IEC 60751 standard. For example, class B wire-wound resistance thermometers have a defined measuring range of -196 \\u00b0C to a maximum of 600 \\u00b0C. If the temperature exceeds or drops below this range, the measured values of the temperature sensors begin to drift so they no longer measure within the defined accuracy and thus the measuring result is falsified. With the current level of technology, for thin-film sensors, this drift is stronger than with wire-wound sensors.\\n\\u00a0\\nFurther information on Pt100 and Pt1000 sensors can be found on our website: \\n\\u00a0\\n\\ud83d\\uded2 With WIKA, you can configure and order the most common resistance thermometers directly in the online shop:  \\n\\n\\ud83c\\udf10 You can find an overview of all resistance thermometers on our website: \\n\\u00a0\\n\\ud83d\\udcd6 Would you like to learn more about resistance thermometers? Then read our blog ( or the technical information on the subject \\u201cOperating limits and accuracies of platinum resistance thermometers per DIN EN IEC 60751\\u201d (\\n\\n-------------------------------------------------------------------------------\\n\\nFollow us on our social media channels:\\n\\ud83d\\udcfa YouTube: \\n\\u2705 LinkedIn:\"}<\/script><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In\u017cynierowie &#8211; szczeg\u00f3lnie ci zwi\u0105zani z budow\u0105 maszyn &#8211; cz\u0119sto pytaj\u0105 mnie, kt\u00f3ry element pomiarowy jest dla nich odpowiedni. Z tego powodu pragn\u0119 po\u015bwi\u0119ci\u0107 niniejszy artyku\u0142 na om\u00f3wienie r\u00f3\u017cnic pomi\u0119dzy najcz\u0119\u015bciej stosowanymi rezystorami pomiarowymi: Pt100, Pt1000 i NTC. Wi\u0119cej szczeg\u00f3\u0142\u00f3w na temat rzadziej u\u017cywanych element\u00f3w pomiarowych &#8211; czujnik\u00f3w Ni1000 i KTY -znajd\u0105 pa\u0144stwo w por\u00f3wnaniu [&hellip;]<\/p>\n","protected":false},"author":110,"featured_media":8055,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[169],"tags":[292,293,283,299],"class_list":["post-8054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowhow","tag-pt100","tag-pt1000","tag-temperatura","tag-termometr-rezystancyjny"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pt100, Pt1000 czy NTC \u2013 kt\u00f3ra opcja jest w\u0142a\u015bciwa? - Blogu WIKA<\/title>\n<meta name=\"description\" content=\"Jakie maj\u0105 wady i zalety elementy platynowe Pt100 i Pt1000 w por\u00f3wnaiu do NTC? 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