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Содержание METEOR 100

Страница 1: ...H E sirEBr r ffi H BIack Sf dr METEOR SERIES DIGITAL FREOUENCY COUNTERS METEOR 1OO METEOR 600 METEOR 1OOO ffiHmam O _ _ a HEY H1e W InstructionManual...

Страница 2: ...E GATE TIME LOWFREOUENCY FILTER INPUTS INPUT IMPEDANCE TERMINATION ANDUSEOFPROBES TRIGGER LEVEL DISPLAYS INDICATORS EXTERNAL REFERENCE OSCI LLATOR FACI LITY TRANSMITTER FREOUENCY MEASUREMENT RECEIVER...

Страница 3: ...ency 50kHz nom trom source impedance ol 50o Sw rch selecrable ln o Our Fronr panel adtustment ot Tnsser Level on siqnali 5H2 loMHz H I G B F R E O U E N C Y I I n p u t 8 iir i ii i lri 4OMH 600MHz 4...

Страница 4: ...BNC SocketInputA 8 Low FrequencyFilterSwitch I TriggerLevelControl BACKPANEL LAYOUT 10 LEDindicates display inkHz 11 LEDindicates display inMHz 12 FrequencyDisplay 13 LED Overflowindication 14 Banery...

Страница 5: ...Forotherfrequencies seegraphs INPUTA 5H z 10 0MHz 250V 50 Hz MAXIMUM INPUT VOLTS RMS 5V 50kHz 10 5 100 1K 10K 100K1M INPUTFREO U ENC Y INPUT B 4 0MHz 10M 100M Hz lGHz 1000v 7 S n 100 250V 501 lz 250V5...

Страница 6: ...sensingfully charged cells and the user must satisfy himselfthat useof this facilitywill not overcharge overheator otherwisedamagethe cellsin use Do not use in this positionfor more than one hour and...

Страница 7: ...ch 3 This switch hasthree positions Note thereis an interval between successivemeasurements of 200ms 0 1s selects a measurement interval of 100ms Maximumresolution 10H2 1s selectsa measurementinterval...

Страница 8: ...itundertestcannotstandthe load usea short 16 wavelength inputcable Use of Black Star PassiveProbesis recommendedas this minimisesthe cap acitiveloading The following areavailable as optionalaccessorie...

Страница 9: ...illatorFacilityallows the use of an alternativehighly stable 10MHzfrequencystandardto improvethe performanceof the instrument The standardshould be connectedto the ExternalReference Oscillatorlnput 16...

Страница 10: ...There fore the minimumattenuation necessary is 10log 5 0 08 dB or 18dB ln prac tice as the Meteor seriesof FrequencyCountersare so sensitive 30dB would be saferand stillallow a comfortableinput level...

Страница 11: ...feedinga smallaerialnearthe set usingminimumpower untilan audiblebeat with the wanted station is heard then measurethe frequency of the signal generator By using low power the chance of spurious beats...

Страница 12: ...lf a screwdriveris used it MUST be insulated from the front panel as a shortcircuitfrom the trimmerto ground will causedamage The most convenientaccuratefrequencyreference is usuallya precisetransmit...

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