{"id":3845,"date":"2018-10-21T14:38:14","date_gmt":"2018-10-21T13:38:14","guid":{"rendered":"http:\/\/www.crowave.com\/blog\/?p=3845"},"modified":"2018-10-21T14:38:14","modified_gmt":"2018-10-21T13:38:14","slug":"ferodinamicki-vatmetar-iskra","status":"publish","type":"post","link":"https:\/\/www.crowave.com\/blog\/2018\/10\/21\/ferodinamicki-vatmetar-iskra\/","title":{"rendered":"FERODINAMI\u010cKI VATMETAR ISKRA"},"content":{"rendered":"<p>Danas je nabavljen ferodinami\u010dki vatmetar ISKRA. Ovaj vatmetar konstrukcijski i elektri\u010dki je gotovo istovjetan vatmetru koji smo ve\u0107 opisali u objavi <a href=\"http:\/\/www.crowave.com\/blog\/2018\/10\/21\/ferodinamicki-vatmetar-iskra-el2\/\" target=\"_blank\">FERODINAMI\u010cKI VATMETAR ISKRA EL2<\/a>. Razlika je samo u maksimalnim naponima i strujama koje se mogu dovesti na priklju\u010dnice vatmetra te donekle u izvedbi priklju\u010dnica i drvenog ku\u0107i\u0161ta. Stoga ovdje ne\u0107emo ponavljati opise i principe rada koji jednako vrijede za oba vatmetra nego krenimo sa slikama.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3847\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02-788x1024.jpg\" alt=\"ferodinamicni_wattmeter_iskra_02\" width=\"788\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02-788x1024.jpg 788w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02-231x300.jpg 231w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02-768x998.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_02.jpg 1595w\" sizes=\"auto, (max-width: 788px) 100vw, 788px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3848\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03-828x1024.jpg\" alt=\"ferodinamicni_wattmeter_iskra_03\" width=\"828\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03-828x1024.jpg 828w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03-242x300.jpg 242w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03-768x950.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_03.jpg 1724w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3846\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01-993x1024.jpg\" alt=\"ferodinamicni_wattmeter_iskra_01\" width=\"993\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01-993x1024.jpg 993w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01-291x300.jpg 291w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01-768x792.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_01.jpg 1717w\" sizes=\"auto, (max-width: 993px) 100vw, 993px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3854\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09-1024x422.jpg\" alt=\"ferodinamicni_wattmeter_iskra_09\" width=\"1024\" height=\"422\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09-1024x422.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09-300x124.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09-768x316.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_09.jpg 1109w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>I pogled u unutra\u0161njost&#8230;<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_04.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3849\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_04-1024x859.jpg\" alt=\"ferodinamicni_wattmeter_iskra_04\" width=\"1024\" height=\"859\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_04-1024x859.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_04-300x252.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_04-768x644.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_05.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3850\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_05-1024x805.jpg\" alt=\"ferodinamicni_wattmeter_iskra_05\" width=\"1024\" height=\"805\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_05-1024x805.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_05-300x236.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_05-768x604.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3851\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06-1024x768.jpg\" alt=\"ferodinamicni_wattmeter_iskra_06\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06-768x576.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_06.jpg 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3852\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07-1024x768.jpg\" alt=\"ferodinamicni_wattmeter_iskra_07\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07-768x576.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_07.jpg 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3853\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08-1024x768.jpg\" alt=\"ferodinamicni_wattmeter_iskra_08\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3855\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10-1024x573.jpg\" alt=\"ferodinamicni_wattmeter_iskra_10\" width=\"1024\" height=\"573\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10-1024x573.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10-300x168.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10-768x429.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_10.jpg 1107w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11.jpg\" rel=\"lightbox[3845]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-3856\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11-1024x430.jpg\" alt=\"ferodinamicni_wattmeter_iskra_11\" width=\"1024\" height=\"430\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11-1024x430.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11-300x126.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11-768x323.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_11.jpg 1095w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Testiranje ovog primjerka vatmetra je pokazalo da su u prekidu svi naponski serijski spojeni otpornici kao i na \u017ealost naponski svitak ferodinami\u010dnog instrumenta. Te\u0161ko je zamisliti \u0161to je moglo izazvati takvu havariju (vjerojatno neko totalno suludo spajanje naponske grane, zasigurno u seriju sa tro\u0161ilom umjesto paralelno) no sada, dok bi se otpornici jo\u0161 i mogli popraviti ili zamijeniti, sa naponskim svitkom to bi bio puno te\u017ei (ako ne i nemogu\u0107i) zahvat.<\/p>\n<p>Ommetrom smo nedvojbeno utvrdili da je prekid na samom svitku, dakle nije na kontaktima niti je na spiralnim oprugama, a to je onda i najgora mogu\u0107a situacija gdje je treba rastavljati i ponovno sastavljati \u010ditav zakretni mehanizam. Zakretni mehanizam je vrlo precizno napravljen od vrlo osjetljivih dijelova koji su me\u0111usobno vrlo precizno slijepljeni, centrirani i balansirani. Ovakvi popravci mo\u017eda nisu nemogu\u0107i, ali su svakako gotovo nemogu\u0107i. Stoga, bilo nam je drago zaviriti u unutra\u0161njost ovog lijepog vintage instrumenta, no sada ga mo\u017eemo mirne du\u0161e vratiti na izlo\u017ebenu policu, jedino mjesto gdje jo\u0161 mo\u017ee vr\u0161iti neku korisnu funkciju \ud83d\ude42<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Danas je nabavljen ferodinami\u010dki vatmetar ISKRA. Ovaj vatmetar konstrukcijski i elektri\u010dki je gotovo istovjetan vatmetru koji smo ve\u0107 opisali u objavi FERODINAMI\u010cKI VATMETAR ISKRA EL2. Razlika je samo u maksimalnim naponima i strujama koje se mogu dovesti na priklju\u010dnice vatmetra te donekle u izvedbi priklju\u010dnica i drvenog ku\u0107i\u0161ta. Stoga ovdje ne\u0107emo ponavljati opise i principe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3853,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":{"0":"post-3845","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-mjerni","8":"czr-hentry"},"jetpack_featured_media_url":"https:\/\/crowave.com\/blog\/wp-content\/uploads\/2018\/10\/ferodinamicni_wattmeter_iskra_08.jpg","_links":{"self":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/3845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/comments?post=3845"}],"version-history":[{"count":1,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/3845\/revisions"}],"predecessor-version":[{"id":3857,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/3845\/revisions\/3857"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media\/3853"}],"wp:attachment":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media?parent=3845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/categories?post=3845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/tags?post=3845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}