Barton* hava ko\u015fullar\u0131na dayan\u0131kl\u0131 Model 288A, diferansiyel bas\u0131n\u00e7 g\u00f6steren bir anahtard\u0131r. Model 288A, NEMA-4 su ge\u00e7irmez d\u00f6k\u00fcm al\u00fcminyum kasaya sahiptir (hava ko\u015fullar\u0131na dayan\u0131kl\u0131 siyah epoksi re\u00e7ine boyayla kaplanm\u0131\u015ft\u0131r). Kapak lensi, kazara k\u0131r\u0131lma olas\u0131l\u0131\u011f\u0131n\u0131 azaltmak i\u00e7in \u00e7er\u00e7eveye bir elastomer halka ile sabitlenmi\u015ftir. Bu halka ayn\u0131 zamanda g\u00f6sterge ve anahtar mekanizmas\u0131 i\u00e7in nem, duman ve tozsuz bir ortam sa\u011flamak \u00fczere \u00e7er\u00e7eve ile kasa aras\u0131nda bir conta g\u00f6revi de g\u00f6rmektedir. B\u00fcy\u00fck kapak merce\u011fi g\u00f6sterge i\u015faret\u00e7isinin maksimum okunabilirli\u011fini sa\u011flar. Kapak \u00e7\u0131kar\u0131ld\u0131\u011f\u0131nda anahtarlara ve t\u00fcm ayarlara kolayca eri\u015filebilir. \u00d6l\u00e7\u00fclen fark bas\u0131n\u00e7lar\u0131 \u00f6nceden belirlenen limitleri a\u015ft\u0131\u011f\u0131nda yerle\u015fik anahtarlar tekli veya ikili alarm devrelerine enerji verir. Bu s\u0131n\u0131rlar maksimum, minimum veya her ikisi birden olabilir.<\/p>\n\n\n\n
D\u00f6k\u00fcm Al\u00fcminyum g\u00f6sterge anahtar\u0131 muhafazas\u0131 do\u011frudan \u00e7al\u0131\u015ft\u0131rma \u00fcnitesine (224 DPU) ba\u011flan\u0131r. G\u00f6sterge anahtar\u0131 d\u00fczene\u011fi, entegre bir anahtar akt\u00fcat\u00f6r kam\u0131na sahip bir tahrik kolundan, ba\u011flant\u0131dan ve g\u00f6sterge i\u015faret\u00e7isinin tak\u0131ld\u0131\u011f\u0131 m\u00fccevherli bir hareket d\u00fczene\u011finden olu\u015fur. Ayr\u0131ca Mikro anahtarlar ve ilgili ba\u011flant\u0131lar, anahtar ayar noktas\u0131 indeksleri ve ayar noktas\u0131 kilitleri de dahildir. Diferansiyel bas\u0131n\u00e7taki de\u011fi\u015fiklikler, diferansiyel bas\u0131n\u00e7 \u00fcniteleri k\u00f6r\u00fckleri taraf\u0131ndan alg\u0131lan\u0131r ve tork t\u00fcp\u00fc arac\u0131l\u0131\u011f\u0131yla d\u00f6nme hareketi olarak g\u00f6sterge anahtar\u0131n\u0131n tahrik kolu tertibat\u0131na iletilir. Ba\u011flant\u0131 ve hareket d\u00fczene\u011fi, g\u00f6stergeyi \u00f6l\u00e7ek \u00fczerinde DPU taraf\u0131ndan alg\u0131lanan diferansiyel bas\u0131nca g\u00f6re g\u00f6stergeye konumland\u0131rmak i\u00e7in tahrik kolu d\u00fczene\u011finin hareketine yan\u0131t verir ve istenen ayar noktas\u0131na ula\u015f\u0131ld\u0131\u011f\u0131nda e\u015f zamanl\u0131 olarak anahtar\u0131 etkinle\u015ftirir. Bunu yapar \u00e7\u00fcnk\u00fc tahrik kolu entegre bir anahtar \u00e7al\u0131\u015ft\u0131rma kam\u0131na sahiptir ve tork t\u00fcp\u00fc \u015faft\u0131n\u0131n hareketiyle 8-10 derece aras\u0131nda d\u00f6nen tork t\u00fcp\u00fc \u015faft\u0131na ba\u011flan\u0131r. Her bir anahtar i\u00e7in bir tane olmak \u00fczere iki kam takip\u00e7isi silindir\/akt\u00fcat\u00f6r kolu tertibat\u0131, kam\u0131n a\u00e7\u0131l\u0131p kapanmas\u0131 s\u0131ras\u0131nda anahtarlar\u0131 a\u00e7\u0131p kapatarak tahrik kolu hareketine yan\u0131t verir. Anahtarlar\u0131n etkinle\u015ftirildi\u011fi diferansiyel bas\u0131n\u00e7 seviyeleri, \u00f6l\u00e7ek plakas\u0131n\u0131n alt\u0131ndaki y\u00fcksek ve d\u00fc\u015f\u00fck alarm anahtar\u0131 ayar endeksleri ile ayarlanabilir.<\/p>\n\n\n\n
\u00d6l\u00e7ek plakas\u0131n\u0131 \u00e7\u0131karmadan anahtar ayar noktas\u0131nda k\u00fc\u00e7\u00fck ayarlamalar yap\u0131labilir. Barton Model 288A\/288C'de 4'e kadar alarm anahtar\u0131 bulunabilir ancak bir veya iki alarm anahtar\u0131 standartt\u0131r. Her anahtar normalde a\u00e7\u0131k veya normalde kapal\u0131 \u00e7al\u0131\u015facak \u015fekilde ba\u011flanabilir. Anahtar ayar noktalar\u0131 \u00f6l\u00e7ek aral\u0131\u011f\u0131n\u0131n 5-95% aras\u0131nda ayarlanabilir. SPDT ve DPDT anahtar yap\u0131land\u0131rmalar\u0131 mevcuttur.<\/p>\n\n\n\n
Barton'un hava ko\u015fullar\u0131na dayan\u0131kl\u0131 Model 288A, 288C ve patlamaya dayan\u0131kl\u0131 Model 290D, DP G\u00f6sterge Anahtarlar\u0131d\u0131r. 288A ve 288C, NEMA-4 su ge\u00e7irmez d\u00f6k\u00fcm al\u00fcminyum kasaya sahiptir (hava ko\u015fullar\u0131na dayan\u0131kl\u0131 siyah epoksi re\u00e7ine boyayla kaplanm\u0131\u015ft\u0131r). Kapak lensi, kazara k\u0131r\u0131lma olas\u0131l\u0131\u011f\u0131n\u0131 azaltmak i\u00e7in \u00e7er\u00e7eveye bir elastomer halka ile sabitlenmi\u015ftir. Bu halka ayn\u0131 zamanda g\u00f6sterge ve anahtar mekanizmas\u0131 i\u00e7in nem, duman ve tozsuz bir ortam sa\u011flamak \u00fczere \u00e7er\u00e7eve ile kasa aras\u0131nda bir conta g\u00f6revi de g\u00f6rmektedir. Barton Model 290D, S\u0131n\u0131f I, B\u00f6l\u00fcm 1, Grup B, C ve D hizmeti i\u00e7in sertifikal\u0131, patlamaya dayan\u0131kl\u0131 bir kasaya sahiptir. B\u00fcy\u00fck kapak merce\u011fi g\u00f6sterge i\u015faret\u00e7isinin maksimum okunabilirli\u011fini sa\u011flar.<\/p>\n\n\n\n
Barton MODELS 288A\/288C\/290D'nin DPU tork t\u00fcp\u00fc \u015faft\u0131n\u0131n d\u00f6n\u00fc\u015f\u00fc, i\u015faret\u00e7iyi \u00f6l\u00e7ek plakas\u0131 boyunca hareket ettirmek i\u00e7in anahtar kasas\u0131 i\u00e7indeki ba\u011flant\u0131 ba\u011flant\u0131s\u0131 yoluyla ba\u011flan\u0131r. Tork t\u00fcp\u00fc miline do\u011frudan ba\u011flanan bir \u00e7al\u0131\u015ft\u0131rma kam\u0131, \u015faft\u0131n hareketiyle birlikte d\u00f6ner. Her bir anahtar i\u00e7in bir tane olmak \u00fczere iki kam takip\u00e7isi makara\/akt\u00fcat\u00f6r kolu tertibat\u0131, kam\u0131n a\u00e7\u0131l\u0131p kapanmas\u0131 s\u0131ras\u0131nda anahtarlar\u0131 a\u00e7\u0131p kapatarak tork t\u00fcp\u00fc d\u00f6n\u00fc\u015f\u00fcne yan\u0131t verir. Anahtarlar\u0131n etkinle\u015ftirildi\u011fi DP seviyeleri, \u00f6l\u00e7ek plakas\u0131ndaki y\u00fcksek ve d\u00fc\u015f\u00fck alarm anahtar\u0131 ayarlar\u0131yla ayarlanabilir.<\/p>\n\n\n\n
Barton MODELLER\u0130 288A\/288C\/290D bir veya iki alarm anahtar\u0131na sahip olabilir. Her anahtar normalde a\u00e7\u0131k veya normalde kapal\u0131 \u00e7al\u0131\u015facak \u015fekilde ba\u011flanabilir. Do\u011frudan ayarl\u0131 anahtar kontaklar\u0131 5-95% nominal \u00f6l\u00e7ek aral\u0131\u011f\u0131nda ayarlanabilir.<\/p>\n\n\n\n\n
\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n\n\n\n
Hidramotor \u2013 Zeco Vana<\/a><\/p>\n\n\n\n Burkert Robolux \u2013 Zeco Vana<\/a><\/p>\n\n\n\n Barton Instruments 232C 6 in\u00e7 DP G\u00f6stergesi \u2013 Zeco Valf<\/a><\/p>\n\n\n\n Cameron GROVE BT1 \u00dcst Giri\u015f \u2013 Zeco Valf<\/a><\/p>\n\n\n\n Conoflow Akt\u00fcat\u00f6rler \u2013 Zeco Valf<\/a><\/p>\n\n\n\n Barton Instruments Model 752 ve 753 Elektronik Verici \u2013 Zeco Valf<\/a><\/p>\n\n\n\n ITT Genel Kontroller Lineer ve D\u00f6ner Akt\u00fcat\u00f6rler \u2013 Zeco Vana<\/a><\/p>\n\n\n\n Conoflow Pozisyonerler \u2013 Zeco Valf<\/a><\/p>\n\n\n\n Burkert MikroFluidics \u2013 Zeco Valf<\/a><\/p>\n\n\n\n Barton Model 351, 352 ve 353 \u2013 Zeco Vana<\/a><\/p>","protected":false},"excerpt":{"rendered":"