"[477D554F27BC]" . . "Navr\u017Een\u00FD impedan\u010Dn\u00ED spektrometr p\u0159edstavuje n\u00EDzkon\u00E1kladov\u00FD p\u0159\u00EDstroj, kdy lze vyu\u017Eit pouze jeden obvod pro univerz\u00E1ln\u00ED m\u011B\u0159en\u00ED \u0161irok\u00E9ho rozmez\u00ED frekvenc\u00ED pro m\u011B\u0159en\u00ED koncentrace bakteri\u00ED v roztoku. Vzhledem ke specifit\u011B p\u0159\u00EDstroje lze u\u0161et\u0159it p\u0159i v\u00FDrob\u011B a\u017E 30 000,- ve srovn\u00E1n\u00ED s klasick\u00FDmi spektroskopy. B\u011Bhem pou\u017E\u00EDv\u00E1n\u00ED lze u\u0161et\u0159it pr\u016Fm\u011Brn\u011B 50,- K\u010D na anal\u00FDzu jednoho vzorku (cena spot\u0159ebn\u00EDho materi\u00E1lu a \u010Dasu person\u00E1lu). P\u0159i pr\u016Fm\u011Brn\u00FDch pades\u00E1t\u00ED anal\u00FDz\u00E1ch denn\u011B to znamen\u00E1 \u00FAsporu 3 125 000,- b\u011Bhem p\u011Bti let." . "Impedance spectroscope"@en . . "RIV/26722861:_____/11:VGIMPD11!RIV13-MV0-26722861" . "Impedan\u010Dn\u00ED spektroskop" . . "RIV/26722861:_____/11:VGIMPD11" . . . "Impedance spectroscope"@en . . "203777" . "3"^^ . "Navr\u017Een\u00FD p\u0159\u00EDstroj obsahuje automatick\u00E9 p\u0159ep\u00EDn\u00E1n\u00ED rozsah\u016F, co\u017E roz\u0161i\u0159uje aplika\u010Dn\u00ED dopad za\u0159\u00EDzen\u00ED. Obvod AD5933 je b\u011B\u017En\u011B pou\u017E\u00EDv\u00E1n, ale obvykle jen pro mal\u00FD rozsah impedanc\u00ED. Navr\u017Een\u00E9 \u0159e\u0161en\u00ED vykazuje velmi p\u0159esn\u00E9 m\u011B\u0159en\u00ED absolutn\u00ED impedance a malou odchylku f\u00E1ze od teoretick\u00E9ho pr\u016Fb\u011Bhu. Tato odchylka je zp\u016Fsobena toleranc\u00ED sou\u010D\u00E1stek. P\u0159i m\u011B\u0159en\u00ED impedan\u010Dn\u00EDho spektra roztok\u016F o r\u016Fzn\u00FDch koncentrac\u00ED CFU, byla prok\u00E1z\u00E1na z\u00E1vislost, kter\u00E1 je vyu\u017Eiteln\u00E1 pro bli\u017E\u0161\u00ED ur\u010Den\u00ED koncentrace. Tato z\u00E1vislost je pozorovateln\u00E1 od 103 do 106 CFU.ml-1 p\u0159i m\u011B\u0159en\u00ED na frekvenc\u00EDch vy\u0161\u0161\u00EDch ne\u017E 15 kHz. Nabyvatel: V.P.S. ELEKTRO s.r.o., Miroslavsk\u00E9 kn\u00EDnice 28, Miroslav 671 72 , kontakt: Old\u0159ich Pan\u00E1\u010Dek, tel: 724082060; panacek@vps-elektro.cz" . "Sli\u017E, J." . "2"^^ . . "Impedan\u010Dn\u00ED spektroskop"@cs . . . . "Pro m\u011B\u0159en\u00ED je pou\u017Eit obvod AD5933, kter\u00FD je p\u0159\u00EDmo ur\u010Den k impedan\u010Dn\u00ED spektroskopii. Obvod obsahuje nastaviteln\u00FD harmonick\u00FD gener\u00E1tor na principu p\u0159\u00EDm\u00E9 \u010D\u00EDslicov\u00E9 synt\u00E9zy. Vytvo\u0159en\u00FD harmonick\u00FD sign\u00E1l projde m\u011B\u0159enou impedanc\u00ED a pomoc\u00ED sign\u00E1lov\u00E9ho procesoru, tak\u00E9 obsa\u017Een\u00E9ho v AD5933, se vypo\u010Dte re\u00E1ln\u00E1 a imagin\u00E1rn\u00ED slo\u017Eka impedance. Vzhledem k tomu, \u017Ee m\u011B\u0159en\u00ED ovliv\u0148uj\u00ED vnit\u0159n\u00ED obvody a tak\u00E9 p\u0159\u00EDpojn\u00E9 vodi\u010De, je nutn\u00E9 prov\u00E9zt kalibraci. Kalibrace se prov\u00E1d\u00ED pomoc\u00ED s\u00E9rie zn\u00E1m\u00FDch rezistor\u016F. P\u0159\u00EDstroj je \u0159\u00EDzen mikrokontrol\u00E9rem PIC32MX460F512L kter\u00FD zaji\u0161\u0165uje komunikaci s PC p\u0159es USB a tak\u00E9 funguje jako do\u010Dasn\u00FD z\u00E1sobn\u00EDk nam\u011B\u0159en\u00FDch dat. P\u0159\u00EDstroj disponuje automatick\u00FDm p\u0159ep\u00EDn\u00E1n\u00EDm rozsah\u016F impedance. Z d\u016Fvod\u016F pom\u011Brn\u011B slo\u017Eit\u00E9 kalibrace byl vytvo\u0159en p\u0159\u00EDdavn\u00FD modul, pomoc\u00ED n\u011Bho\u017E lze prov\u00E9zt automatickou kalibraci."@cs . . "Impedan\u010Dn\u00ED spektroskop"@cs . "Pro m\u011B\u0159en\u00ED je pou\u017Eit obvod AD5933, kter\u00FD je p\u0159\u00EDmo ur\u010Den k impedan\u010Dn\u00ED spektroskopii. Obvod obsahuje nastaviteln\u00FD harmonick\u00FD gener\u00E1tor na principu p\u0159\u00EDm\u00E9 \u010D\u00EDslicov\u00E9 synt\u00E9zy. Vytvo\u0159en\u00FD harmonick\u00FD sign\u00E1l projde m\u011B\u0159enou impedanc\u00ED a pomoc\u00ED sign\u00E1lov\u00E9ho procesoru, tak\u00E9 obsa\u017Een\u00E9ho v AD5933, se vypo\u010Dte re\u00E1ln\u00E1 a imagin\u00E1rn\u00ED slo\u017Eka impedance. Vzhledem k tomu, \u017Ee m\u011B\u0159en\u00ED ovliv\u0148uj\u00ED vnit\u0159n\u00ED obvody a tak\u00E9 p\u0159\u00EDpojn\u00E9 vodi\u010De, je nutn\u00E9 prov\u00E9zt kalibraci. Kalibrace se prov\u00E1d\u00ED pomoc\u00ED s\u00E9rie zn\u00E1m\u00FDch rezistor\u016F. P\u0159\u00EDstroj je \u0159\u00EDzen mikrokontrol\u00E9rem PIC32MX460F512L kter\u00FD zaji\u0161\u0165uje komunikaci s PC p\u0159es USB a tak\u00E9 funguje jako do\u010Dasn\u00FD z\u00E1sobn\u00EDk nam\u011B\u0159en\u00FDch dat. P\u0159\u00EDstroj disponuje automatick\u00FDm p\u0159ep\u00EDn\u00E1n\u00EDm rozsah\u016F impedance. Z d\u016Fvod\u016F pom\u011Brn\u011B slo\u017Eit\u00E9 kalibrace byl vytvo\u0159en p\u0159\u00EDdavn\u00FD modul, pomoc\u00ED n\u011Bho\u017E lze prov\u00E9zt automatickou kalibraci." . . . . "impedance spectroscope; AD5933; autoranging"@en . "Kadlec, Robert" . . "VGIMPD12" . . "Impedan\u010Dn\u00ED spektroskop" . . . "Circuit AD5933 is used for measurement, which is specifically designed for impedance spectroscopy. The circuit includes an adjustable harmonic generator on the principle of direct digital synthesis. The generated harmonic signal passes through the measured impedance and signal processor, also contained in the AD5933, calculate real and imaginary part of the impedance. Given that measurements affect internal circuits and connecting wires, it is necessary to perform a calibration. The calibration is performed using a series of known resistors. The device is controlled by a microcontroller PIC32MX460F512L which communicates with the PC via USB and also acts as a temporary stack measured data. The device has automatic switching impedance ranges. Due to the relatively complex calibration was created add-on module, through which badly to perform a self-calibrating."@en . . . "P(VG20102015023)" . "K\u0159epelka, Pavel" .