Welcome toArabianSea(Marine Electronics and Instruments)Product Name:TTi TF830 1.3 GHz Universal Counter. Free Shipping Worldwide. Product Brand:Product Condition :UsedModel No:Product Condition :Tested ok. Check Pictures. Product Inclusion :What you see is what you get unless otherwise specified. Description/Features/Specifications :Frequency, period, pulse width, frequency ratio and event counter modes5Hz to 1300MHz range, 0.001mHz resolutionReciprocal Counting measurement technique gives high resolution at all frequenciesLow power, mains or battery operationExcellent sensitivity across the frequency rangeOptional addressable RS232 interfaceSpecificationFunctionsFrequency(Range A)Frequency range5Hz to 25MHzInput socketAResolution0.001mHz to 100Hz (see Note 1)Frequency(Range B)Frequency range20MHz to 1.3GHzInput socketBResolution1Hz to 10kHz (see Note 1)PeriodInput socketAFrequency range5Hz to 25MHzResolution10–7ns to 1us (see Note 1)CountInput socketACounter range1 to 268435456 (228), only the least significant 8 digits shownwith overflow indication past 99999999 pulsesFrequency range1Hz to at least 14MHzMinimum pulse width20nsRatio A/BFrequency rangeA - 5Hz to 25MHz, B - 20MHz to 1.3GHzResolutionThe answer is displayed with 8 significant digits irrespective ofactual input frequencies and measurement timePulse WidthInput socketAModeFalling to rising edge or rising to falling edgeRange1us to 26sResolution100nsMeasurement time0.1s and 1s ranges determine the inter-measurement time.10s range will hold until resetNote 1The resolution depends upon the measurement time and input frequency.At least 7 digits are displayed per second of measurement time.InputSpecificationsInput AInput impedance1MOhm//25pFFrequency range5Hz to 25MHzSensitivitySinewave 15mVrms 10Hz to 20MHz; pulse 40mV pk-pk 0Hz to 14MHzTrigger levelContinuously adjustable by front panel controlMax. permissible input voltage200Vdc; 250Vrms 50/60Hz reducing to 1Vrms above 1MHzLow pass filterSwitchable 50kHz low pass noise filterCouplingACInput BInput impedance50 Ohm nominalFrequency range20MHz to 1.3GHzSensitivity10mVrms 20MHz to 700MHz, <50mVrms to 1.3GHzMax. permissible Input voltage250Vdc; 250Vrms 50/60Hz; 1Vrms 20MHz to 1.3GHzCouplingACExternalStandardSocketFrequency10MHzSelectionAutomatic detection and change-overSensitivityTTL/CMOS compatible, AC coupledMax. permissible input voltage5Vrms, 50V dcTimebaseOscillator10MHz XtalInitial adjustment error<±1ppm at 23°CTemperature coefficientTypically less than ±0.3ppm/°C 18°C to 28°C, ±10ppm –20°C to 70°CAgeing rate<±5ppm/yearRS232 Interface (TF830-RS232 ONLY)Addressable RS-232 interface, all functions remote-controllable includingtrigger level and filter. Complies fully with the TTi ARC interface standard.Power RequirementsBattery type6 ‘C’ size disposable or rechargeable cells, (Alkaline cells)Battery lifeTypical figures TF830 - 200 hrsAC Input230 volts ±14% AC nominal or 115 volts ±14% AC nominal.Consumption8VA max.GeneralElectrical SafetyComplies with EN61010-1EMCComplies with EN50081-1 and EN50082-1Environmental operating range+5°C to +40°C, 20% to 80% RHEnvironmental storage range–20°C to +70°CSize257(W) × 224(D) × 88(H) excluding handle and feetWeight1.55kg Batteries Not Included. ==================================Terms of Sale We ship using DHL, Fedex or India-Post.Payment using Paypal.