Isibani esiphezulu{{0}se-pressure mercury siyisibani esivamile-sokulahla igesi enamandla kakhulu. Umgomo wayo wokusebenza uwukujabulisa umhwamuko wemercury nge-arc ephezulu-yevoltage ukuze ukhiqize ukukhanya kwe-ultraviolet, okube sekuguqulelwa ekukhanyeni okubonakalayo nge-phosphor. Ukwakhiwa kwayo kudinga ukuklanywa okunembile kanye nokukhiqizwa kwezingxenye ezibalulekile eziningi ukuze kuqinisekiswe ukusebenza okukhanyayo okuphumelelayo nokuzinzile.
Izingxenye eziyinhloko-zesibani se-pressure mercury eliphezulu zihlanganisa ishubhu yokukhipha, ama-electrode, imvilophu yengilazi, i-ballast, ne-phosphor coating. Ishubhu yokukhipha ngokuvamile yenziwe ngengilazi ye-quartz ngenxa yokumelana kwayo okusezingeni eliphezulu{2}}nokushisa okuphezulu kanye nokubonisa ngale kwe-UV. Ishubhu ligcwele inani elifanele lomhwamuko wemercury kanye negesi engasebenzi (njenge-argon). Lapho kusetshenziswa i-current, umhwamuko we-mercury uyahwamuka, wenze i-arc futhi ukhiphe imisebe ye-ultraviolet. Ama-electrode ngokuvamile enziwa ngemicu ye-tungsten futhi ambozwe nge-electron-emitting material (efana ne-barium oxide) ukuze kuncishiswe i-voltage yokuqala nokugcina ukukhishwa kwe-arc okuzinzile.
Imvilophu yengilazi ivikela ithubhu yokukhipha emathonyeni angaphandle emvelo. Amanye amamodeli abuye abe noqweqwe lwe-phosphor odongeni lwangaphakathi lwemvilophu, oluguqula ukukhanya kwe-ultraviolet okukhiqizwa umhwamuko we-mercury kube ukukhanya okubanzi okubonakalayo, ukuthuthukisa ukusebenza kahle kokukhanyisa. I-ballast iyisakhi esibalulekile-sesibani se-pressure mercury esiphezulu. Ikhawulela yamanje futhi inikeza i-voltage ephezulu edingekayo ukuze kuqalwe, iqinisekise ukusebenza kwezibani ezinzile.
Phakathi nenqubo yokukhiqiza, ukuvalwa kweshubhu yokukhipha kubalulekile, kuqinisekisa ukuthi umfutho we-mercury vapor uhlala ngaphakathi kwebanga elifanele (imvamisa engu-1-5 emkhathini) emazingeni okushisa aphezulu. Ukuma kwe-Electrode nokunemba kwe-welding kuthinta ngokuqondile ukuzinza kwe-arc, kuyilapho ukufana kwe-phosphor coating kunquma ukukhiqizwa kombala kokukhanya.
Ukwakhiwa kwezibani ze-pressure mercury eziphezulu{{0}ezihlanganisa isayensi yezinto, ubuchwepheshe be-vacuum, kanye ne-optical design. Ukwenza ngcono kwesakhiwo kuthinta ngqo impilo yesibani, ukusebenza kahle okukhanyayo, nokunikezwa kombala. Nakuba ubuchwepheshe be-LED buye bashintsha kancane kancane izibani ze-mercury eminyakeni yamuva,{3}}izibani ze-mercury ezicindezelayo zisalondoloza ukubaluleka kwazo ekukhanyeni kwezimboni nangaphandle ngenxa yokukhanya kwazo okuphezulu nezici ezithile ze-spectral.
