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Features: Frequency Measuring Range : 0.1Hz~3.7GHz 9digit LED Display with 0.01 mHz resolution in 1 Second High sensitivity External reference input function (20mVms) Self check function executed to perform a automatic self diagnosis of various counter function Reciprocal technique for high resolution at low counting frequencies Low Pass Filter(100KHz, -3dB) AC/DC coupling function (Selectable AC/DC Coupling) 10:1 Input Attenuation (Selectable x1/x10 Attenuator) Period, Total, RPM measurement for input A Data Hold Function RS-232C serial interface function for communicating with computer

Model	Description	List Price	Sale Price
FC-3000	3 GHZ Frequency Counter including software & RS-232C cable	$495.00	$415.80

Display / Frequency Measurement

- Display : 9 digit large green LED display (overflow, Gate tim, MHz, KHz, ns, ms, ㎲, s, mHz, Hold) - Frequency Range : 0.1Hz ∼ 100MHz (A input) 80MHz ∼ 3.7GHz (C input) - Gate Time : 0.01S, 0.1S, 1S, 10S - Resolution : 1nHz ∼ 10Hz - Accuracy: ± Resolution ±Time Base Error ±1Count

Input Charactueristics

- Terminal : A, C - Sensitivity Input A : 20mVrms Input C : 30mVrms - Imdedance Input A, B : 1MΩ＜40pF Input C : 50Ω - Max. Input Voltage Input A : 250Vrms Input C : 3Vrms - Attenuator Input A, B : µ1, µ10 -Low Pass Filter : 100KHz, -3dB

Multi Funtion

- Period : Period : 10m ∼ 10s Resolution : 1ps ∼ 1ns Accuracy : ± Resolution ±Trigger Error ±1Count - Totalize : Range : 5Hz ∼ 10MHz - Count Capacity: 0 ∼ 999,999,999(MAX) - RPM : 6 ∼ 900µ106RPM

Timebase Charateristics

- Time Base : Frequency : 10MHz TCO(TCXO : OPTION) Aging Rate : less than 5µ10-6/month Temperature Stability : ＜ 5µ10-6(0 ∼ +50℃) Line Voltage : ＜ 1µ10-6 (10% Variation ) - Frequency Standard Output: Frequency : 10MHz Amplitude : 1.5Vp-p Impedance : Approx. 600Ω - External Standard Input : Frequency : 10MHz Amplitude : 1.5mV ∼5Vms Impedance : Approx. 600Ω

General

- Operating Temperature : 0℃ ∼ 50℃(Accuracy specified 25℃±5℃) - Power Requirement : AC 115/230V±10%, 48Hz/66Hz - Dimension : 240(W)µ270(D)µ90(H)mm - Weight : Approx. 2.5㎏ - Standard Accessory : Power cord, BNC to BNC cable, Fuse, Instruction Manual