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{"id":4526,"date":"2023-05-27T01:39:18","date_gmt":"2023-05-26T18:39:18","guid":{"rendered":"http:\/\/www.tneutron.net\/blogs\/alat-ukur-dan-pemeliharaan-tahanan-pembumian\/"},"modified":"2023-05-24T11:43:38","modified_gmt":"2023-05-24T04:43:38","slug":"alat-ukur-dan-pemeliharaan-tahanan-pembumian","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/blogs\/alat-ukur-dan-pemeliharaan-tahanan-pembumian\/","title":{"rendered":"Alat Ukur dan Pemeliharaan Tahanan Pembumian"},"content":{"rendered":"
a) Alat Ukur Tahanan Pembumian
\nUntuk mengukur nilai tahanan pembumian dengan cara :
\n1). Memakai model empat terminal (Motode Wenner) dengan generator putar tangan (DC).<\/div>\n
\u00a0<\/span><\/span>\"clip_image001\"<\/a><\/div>\n
Gambar 4-97. Alat Ukur Model Wenner<\/p>\n

2). Pengukuran tahanan pembumian dengan menyambungkan terminal C1 ke E yang akan diukur, terminal P2 ke P dan terminal C2 ke R. Jarak E \u2013 P \u2013 R di buat berjarak sama pada satu garis lurus. Meter akan memberikan pembacaan langsung dalam tahanan dan tahanan pembumian dihitung dengan rumus :
\n\u03c1 (Rho) = 2 . \u220f . a . R (ohm-m)
\ndimana :
\n\u03c1 (Rho) = resistivitas tanah (ohm-m)
\na = jarak antara electrode (meter)
\nR = tahanan (ohm)
\n\u220f (Phi ) = 3,14<\/p>\n

3). Memakai Earth Tester (analog) berdasarkan harga potensial.<\/p><\/div>\n

\u00a0<\/span><\/span>\"clip_image002\"<\/a><\/div>\n
Gambar 4-98. Mengukur Tahanan Tanah dengan Earth Tester Analog<\/p>\n

E (elektrode tanah) yang akan diukur dan elektrode bantu P serta elektrode bantu R diletakkan pada satu garis lurus dengan elektrode E. Volt meter akan menunjuk pada potensial E \u2013 P. Menurut hukum Ohm, beda potensial akan berbanding langsung dengan tahanan pembumian.
\nTerlihat bahwa tahanan membesar dengan kedudukan P semakin jauh dari E, dan kenaikan tersebut dengan cepat berkurang dan bahkan pada jarak tertentu dari E, kenaikan dapat diabaikan karena sangat kecil.<\/p>\n

Persyaratan yang harus diperhatikan adalah :
\na). Elektrode R harus cukup jauh dari elektrode E, sehingga daerah tahanan tidak saling menutup (over lap).
\nb). Elektrode P harus ditempatkan di luar dua daerah tahanan, dalam hal ini ditempatkan pada daerah datar dari kurva.
\nc). Elektrode P harus terletak diantara elektrode-elektrode R dan E, pada garis penghubungnya.<\/p><\/div>\n

\u00a0<\/span><\/span>\"clip_image003\"<\/a><\/div>\n
Gambar 4-99. Pengukuran dengan Earth Resistance Tester dan Persyaratan pengukuran tahanan tanah <\/span><\/span><\/div>\n
<\/div>\n
\u00a0<\/span><\/span>\"clip_image004\"<\/a><\/div>\n
Gambar 4-100. Pengukuran dengan Tang Ground Tester Digital <\/span><\/span><\/div>\n","protected":false},"excerpt":{"rendered":"

a) Alat Ukur Tahanan Pembumian Untuk mengukur nilai tahanan pembumian dengan cara : 1). Memakai model empat terminal (Motode Wenner) dengan generator putar tangan (DC). \u00a0 Gambar 4-97. Alat Ukur Model Wenner 2). Pengukuran tahanan pembumian dengan menyambungkan terminal C1 ke E yang akan diukur, terminal P2 ke P dan terminal C2 ke R. Jarak …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[5596,5589,5595,5594,5590,5591,5593,5592,5587,5588],"class_list":["post-4526","post","type-post","status-publish","format-standard","hentry","category-distribusi-tegangan-rendah","tag-memperkecil-tahanan-pembumian","tag-mengapa-tahanan-pembumian-sangat-kecil","tag-menghitung-tahanan-pembumian","tag-mengukur-tahanan-pembumian","tag-nilai-tahanan-pembumian","tag-perhitungan-tahanan-pembumian","tag-standar-tahanan-pembumian","tag-tahanan-elektroda-pembumian","tag-tahanan-pembumian","tag-tahanan-pembumian-adalah"],"_links":{"self":[{"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/posts\/4526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/comments?post=4526"}],"version-history":[{"count":1,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/posts\/4526\/revisions"}],"predecessor-version":[{"id":9285,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/posts\/4526\/revisions\/9285"}],"wp:attachment":[{"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/media?parent=4526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/categories?post=4526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tneutron.net\/blogs\/wp-json\/wp\/v2\/tags?post=4526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}