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PFM3000

Portable Frequency Meter

INSTRUCTION MANUAL

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Summary of Contents for PFM3000

Page 1: ...PFM3000 Portable Frequency Meter INSTRUCTION MANUAL...

Page 2: ...old function is available which allows any reading to be frozen and displayed indefinitely Input A is a high impedance input 1M for frequencies in the range 3Hz to 125MHz Input B is a nominal 50 input...

Page 3: ...accuracy is the sum of timebase accuracy and measurement resolution plus one count TIMEBASE Crystal Oscillator Frequency 10MHz Initial Oscillator Adjustment Error 2ppm closed case adjustment by user...

Page 4: ...dc 30V rms 50 60Hz with respect to ground reducing to 1Vrms above 1MHz Note that the inputs will not be damaged if subjected to an accidental short term connection to a 50 60Hz line voltage not exceed...

Page 5: ...connected from all voltage sources before it is opened for any adjustment replacement maintenance or repair including replacement of the battery Any adjustment maintenance and repair of the opened ins...

Page 6: ...by conformance to the following specifications which have been listed in the Official Journal of the European Communities EMC Emissions EN61326 1 2006 Radiated Class B Immunity EN61326 1 2006 Immunit...

Page 7: ...ting or restarting the measurement gives a true result with at least 6 digits after 0 3s followed by at least 7 digits after 1s and finally at least 8 digits after 10s if 10s measurement is selected T...

Page 8: ...correct reading Signals with slow edge speeds such as low frequency sinewaves will show some jitter on the reading because of random noise TIMEBASE OTHER ACCURACY CONSIDERATIONS The instrument has an...

Page 9: ...limentation nominales ou de la gamme des conditions ambiantes sp cifi es ATTENTION Tous les composants accessibles auront le m me potentiel que la fiche d entr e BNC ext rieure pour assurer la s curit...

Page 10: ...nt les derni res 0 3s 1 mise jour 1s 2 mises jour par seconde ou 10s 1 mise jour par seconde selon le temps de mesure s lectionn Il faut noter que si un temps de mesure de 1s ou 10s est s lectionn e d...

Page 11: ...ibilit de l entr e utilis e peut des mesures fausses l att nuation externe du signal avant de le mesurer pourra aider obtenir une mesure correcte Les signaux vitesses faibles tels que les signaux sinu...

Page 12: ...au erhalb der angegebenen Nennversorgungsspannungen oder Umgebungsbedingungen betreiben WARNUNG Bei Betrieb des Ger ts mit den eingebauten Batterien oder einem freigegebenen Netzanschlussger t liegt a...

Page 13: ...6 stellig angezeigt nach 1s 7 stellig und nach 10s 8 stellig falls die 10s Messung berhaupt gew hlt wurde Die Messfunktionen f r Frequenz und Periode erzeugen mindestens sieben Ziffern pro Sekunde Mes...

Page 14: ...gnale mit langsam steigenden Flanken wie z B niederfrequente Sinuswellen fluktuieren aufgrund des wei en Rauschens etwas ZEITABLENKUNG UND ANDERE GENAUIGKEITSERW GUNGEN Das Ger t hat einen internen Os...

Page 15: ...te o in condizioni ambientali non ammesse AVVISO Tutte le parti accessibili si trovano allo stesso potenziale delle parti esterne delle prese d ingresso BNC per garantire la sicurezza dell utente perc...

Page 16: ...i ultimi 0 3s 1 aggiornamento 1s 2 aggiornamenti al secondo o 10s 1 aggiornamento al secondo a seconda del tempo di misurazione selezionato Nota se si seleziona un tempo di misurazione di 1s o 10s l a...

Page 17: ...che si sta utilizzando possono provocare misurazioni sbagliate l attenuazione esterna del segnale prima che venga presentato al misuratore pu favorire una lettura corretta I segnali con velocit massi...

Page 18: ...to no debe ser utilizado fuera de su clasificaci n de voltaje o de su gama ambiental ADVERTENCIA Todas las piezas accesibles estar n a la misma tensi n potencial que los enchufes BNC externos de entra...

Page 19: ...ci n 1s 2 actualizaciones por segundo 10s 1 actualizaci n por segundo dependiendo del tiempo de medici n seleccionado Tenga en cuenta que si selecciona un tiempo de medici n de 1s 10s el inicio o rein...

Page 20: ...idad de entrada usada pueden ayudar a obtener contajes incorrectos si se aten a la se al externamente antes de presentarla al contador se lograr una lectura correcta Las se ales con bajas velocidades...

Page 21: ...idgeshire PE29 7DR England United Kingdom Telephone 44 0 1480 412451 Fax 44 0 1480 450409 International web site www aimtti com UK web site www aimtti co uk Email info aimtti com Aim Instruments and T...

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