{"id":204,"date":"2026-10-28T09:51:07","date_gmt":"2026-10-28T09:51:07","guid":{"rendered":"https:\/\/bmb-lab.hr\/?p=204"},"modified":"2026-10-28T09:51:07","modified_gmt":"2026-10-28T09:51:07","slug":"temperatura-sirok-spektar-pouzdanih-mjerila","status":"publish","type":"post","link":"https:\/\/bmb-lab.hr\/?p=204","title":{"rendered":"Temperatura &#8211; \u0161irok spektar pouzdanih mjerila"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. Uvod u temperaturu<\/h2>\n\n\n\n<p>Proizvo\u0111a\u010d WIKA u ponudi ima standardne proizvode i rje\u0161enja prilago\u0111ena individualnim zahtjevima kupaca.<\/p>\n\n\n\n<p>Mjerni instrumenti zadovoljavaju visoke standarde kvalitete i sigurnosti, imaju me\u0111unarodna odobrenja te su uskla\u0111eni s gotovo svim relevantnim me\u0111unarodnim direktivama.<\/p>\n\n\n\n<p>Zbog jednostavne, robusne i ekonomi\u010dne izvedbe, ova se mjerila temperature \u010desto koriste u industriji, primjerice u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sustavima grijanja, ventilacije i klimatizacije (HVAC)<\/li>\n\n\n\n<li>strojarstvu i industrijskim postrojenjima<\/li>\n\n\n\n<li>izradi spremnika, cjevovoda i procesne opreme<\/li>\n\n\n\n<li>kemijskoj i petrokemijskoj industriji<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Elektri\u010dni instrumenti za mjerenje temperature<\/h2>\n\n\n\n<p>WIKA nudi \u010detiri glavne skupine instrumenata za elektri\u010dno mjerenje temperature:<\/p>\n\n\n\n<p><strong>Termoparovi (thermocouples)<\/strong><\/p>\n\n\n\n<p>Sastoje se od dviju \u017eica izra\u0111enih od razli\u010ditih materijala koje su spojene zavarivanjem. Mjerna to\u010dka nalazi se na mjestu njihova spoja.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/RpvFnwOsQ3WIjN1-GFpDbbz1wspu7UD2_E25Bw788a7ish0xax9HvCcxQt_G3CZlScNSteVvh4A8wphe8g7vhM51TmXQAujJJSA2a1cxl95_1TDbgTouc7Zr9zH3PMBhlRRbsWfoUKbvgOCjKTTdEtcV0BTtCsfKqYveCV29erQ?purpose=inline\" alt=\"\u0422\u0435\u0440\u043c\u043e\u043f\u0430\u0440\u0430 WIKA TC10-B BSZ - \u041f\u0440\u043e\u041f\u0440\u0438\u0431\u043e\u0440\u044b.\u0440\u0443\" style=\"width:254px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Otporni\u010dki termometri (resistance thermometers)<\/strong><\/p>\n\n\n\n<p>Elektri\u010dni otpor senzora mijenja se ovisno o temperaturi. WIKA koristi platinske otpornike, naj\u010de\u0161\u0107e tipa Pt100 i Pt1000.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/5nLTcUS3acctAukVwtvoLm1EF2EevDqY6RnZVbdrk8pLRx4l353iDghRARTYHlPY_wDfUk5kcvtJeJwKdtUjOrDFDly306Zg4xYspxxJYEVo3UvXhov9ViLKqDj6i9ajsOUJU7E0O35DWx9ZaOKliZqYkvTKcw6vQot8T_XBTEI?purpose=inline\" alt=\"WIKA Industrial RTD - Everest Automation\" style=\"width:316px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Temperaturne sklopke (temperature switches)<\/strong><\/p>\n\n\n\n<p>Osim mjerenja temperature, omogu\u0107uju upravlja\u010dke i analogne izlazne signale za proces, ovisno o izvedbi ure\u0111aja.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/KD2w85nGnhSn1ZpyzOzYq5qFtL1ANyrWnIzlNyWPpHLQQb4MK9P8cbd-8mZHAoJsols-4AuXjPv-YY9X9PC5dyUaX5WQzI-lihl-CgXJmAlaikJSJgebuGSmIEkgOQ90cy0E3CdD7CcTyXZvAK6LyrM-VG2oKKwFYwqiGwF-arY?purpose=inline\" alt=\"Temperature transmitters, gauges &amp; switches\" style=\"width:282px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Temperaturni pretvornici (temperature transmitters)<\/strong><\/p>\n\n\n\n<p>Pretvaraju signal senzora u standardizirani izlazni signal. Mogu se montirati na DIN \u0161inu u upravlja\u010dkom ormaru ili u priklju\u010dnu glavu neposredno uz mjerno mjesto.<\/p>\n\n\n\n<p>Kako funkcioniraju? U osnovi svakog elektri\u010dnog mjernog instrumenta nalazi se senzor koji izmjerenu temperaturu pretvara u elektri\u010dni signal.aja.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/2qrKSJkm3AxcvnsdNszvRp4V1gRUGbEXRiwZpJ0EWvE427l-j9hFjKi2PfrBhkshIt6RyEj4rvDz_M1usdGeCxpNT5jFbBHJqlX0jdMqqWkDSA9dOky5V5fuCEna0wnmrSYP5piOsJpsVhPeSvcpWMA8F-UKf7VN6UjM1YIRgyU?purpose=inline\" alt=\"Digital temperature transmitter - T15 - WIKA Alexander Wiegand SE &amp; Co. KG - probe head-mounted \/ DIN rail mount \/ Pt100\" style=\"width:252px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Mehani\u010dki instrumenti za mjerenje temperature<\/h2>\n\n\n\n<p>Mehani\u010dki termometri rade na principu toplinskog \u0161irenja materijala ili promjene tlaka uzrokovane temperaturom. WIKA nudi tri glavne vrste:<\/p>\n\n\n\n<p><strong>Bimetalni termometri (bimetal thermometers)<\/strong><\/p>\n\n\n\n<p>Sastoje se od dviju spojenih metalnih traka koje se razli\u010dito \u0161ire pri promjeni temperature. Nastalo savijanje mehanizam pretvara u o\u010ditanje temperature.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/vxUNd9eX9dYR6kuCOpO6svW2mXc54_ssCk_m5V6LCAslnTcxMvGeGgusypoRecO__kuwMgAFvLVZmi0VaSWN9fBSbdVp-mxxIf1fgTF3XtHSyJ59h05jBBSsfWZwynQ-qOdK5vz8L_QtdjcuI5P5c-eVkp2QtA8PrXLDgj_evKk?purpose=inline\" alt=\"Wika Model TG54 Bimetal thermometer Process version per EN 13190\" style=\"width:325px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Plinski termometri (gas-actuated thermometers)<\/strong><\/p>\n\n\n\n<p>Ispunjeni su inertnim plinom ili plinskom smjesom. Promjena temperature uzrokuje promjenu tlaka plina, koja se preko kapilare prenosi do pokaznog mehanizma.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/-DgtIDYtWFVYFpVcE0N94uLD5z70y59QXOqiMrVcAB-t97Dm-6HUvxKzeoxA4tojIlZPmw0akbERaBCv5B1GYpdE49Ve8qGvegOgTpvukbhhD1yGcPZzM2QGX7GSdqky_sErlWAkoIX2Fs-PKox5Kv-X5uK2bnrxgl9UNkN6f5g?purpose=inline\" alt=\"Gas-actuated thermometer - 73 - WIKA USA\" style=\"width:363px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Termometri s ekspanzijskim mjernim sustavom (expansion thermometers)<\/strong><\/p>\n\n\n\n<p>Sadr\u017ee mjerni sustav ispunjen teku\u0107inom. Promjena temperature uzrokuje promjenu tlaka u sustavu, a ugra\u0111eni mehanizam prikazuje izmjerenu temperaturu.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/images.openai.com\/static-rsc-4\/0zQ1cbKmp3YhNsvULjPo6-HW0bPbHiDniXgVFQxBC8287FX34H_vAjWR29ojv2a8-k5O02puH284p0YS-9M0ycldEAxTIWRajzN0-oxmAp2Aaj-EGpJsytRxQ4tExD82E0EnvcXX4NfB_wcW_idpbztpMhRHGbQqom1DrtHwzpg?purpose=inline\" alt=\"Expansion thermometer - SB15 - WIKA\" style=\"width:310px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Mehatroni\u010dki instrumenti za mjerenje temperature<\/h2>\n\n\n\n<p>Mehatroni\u010dki instrumenti kombiniraju mehani\u010dko mjerenje temperature s elektri\u010dnim funkcijama.<\/p>\n\n\n\n<p>Mogu imati:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>alarmne kontakte koji reagiraju kada temperatura dosegne zadanu vrijednost<\/li>\n\n\n\n<li>sklopne kontakte za uklju\u010divanje ili isklju\u010divanje odre\u0111enih funkcija<\/li>\n\n\n\n<li>elektri\u010dne izlazne signale za upravljanje, regulaciju i nadzor procesa.<\/li>\n<\/ul>\n\n\n\n<p>WIKA u ovoj kategoriji nudi mehani\u010dke termometre s elektri\u010dnim izlaznim signalima, termometre sa sklopnim kontaktima i mehani\u010dke temperaturne sklopke.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Usporedba triju kategorija<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Vrsta instrumenta<\/th><th>Na\u010din rada<\/th><th>Glavna namjena<\/th><\/tr><tr><td>Elektri\u010dni<\/td><td>Senzor pretvara temperaturu u elektri\u010dni signal<\/td><td>Mjerenje, nadzor i prijenos podataka<\/td><\/tr><tr><td>Mehani\u010dki<\/td><td>Toplinsko \u0161irenje ili promjena tlaka<\/td><td>Izravno o\u010ditanje temperature<\/td><\/tr><tr><td>Mehatroni\u010dki<\/td><td>Mehani\u010dko mjerenje uz elektri\u010dne kontakte ili izlaze<\/td><td>Mjerenje, alarmiranje i upravljanje procesom<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Zaklju\u010dak<\/h2>\n\n\n\n<p>WIKA nudi \u0161irok raspon instrumenata za industrijsko mjerenje temperature. Odabir ovisi o tome treba li temperaturu samo lokalno o\u010ditati, prenijeti u upravlja\u010dki sustav ili koristiti za automatsko upravljanje procesom.<\/p>\n\n\n\n<p>Va\u017ena razlika: elektri\u010dni temperaturni pretvornik prenosi izmjerenu temperaturu kao elektri\u010dni signal, dok mehani\u010dki termometar u pravilu prikazuje temperaturu na broj\u010daniku. Mehatroni\u010dki ure\u0111aj objedinjuje mehani\u010dko mjerenje i dodatne elektri\u010dne funkcije.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Uvod u temperaturu Proizvo\u0111a\u010d WIKA u ponudi ima standardne proizvode i rje\u0161enja prilago\u0111ena individualnim zahtjevima kupaca. Mjerni instrumenti zadovoljavaju visoke standarde kvalitete i sigurnosti, imaju me\u0111unarodna odobrenja te su uskla\u0111eni s gotovo svim relevantnim me\u0111unarodnim direktivama. Zbog jednostavne, robusne i ekonomi\u010dne izvedbe, ova se mjerila temperature \u010desto koriste u industriji, primjerice u: 2. Elektri\u010dni [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-204","post","type-post","status-publish","format-standard","hentry","category-o-nama"],"_links":{"self":[{"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/posts\/204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=204"}],"version-history":[{"count":4,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions"}],"predecessor-version":[{"id":208,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions\/208"}],"wp:attachment":[{"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bmb-lab.hr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}