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FC-3000 通用频率计
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1. Frequency measuring range 0.1 Hz to 100 MHz in A input 80 MHz to 3.0 GHz in C input
2. Period, Total and RPM measurement for input A
3. Digit display with 0.01 mHz resolution in 1 Sec(By Ext. Reference signal)
4. RS-232C serial interface function for communicating with computer
5. High sensitivity External reference input function (≥ 1.5 Vrms)
6. Reciprocal technique for high resolution at low counting frequencies
7. Self check function executed to perform a automatic self diagnosis of various counter function
8. Push-scanning for selecting Function and Gate time
9. Low-pass filter (100kHz,-3dB) installed for removing noise signal in low frequency measuring
10. AC/DC coupling function (Selectable AC/DC Coupling)
11. 10:1 Input Attenuation (Selectable ×1/×10 Attenuator)
12. Data hold function
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Display |
9 digit large green LED display, Overflow, Gate time, mHz, Hz, kHz,
MHz, nS, uS, mS, S, HOLD |
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Frequency
Mesurement |
Range : 0.1Hz to 100MHz(A input), 80MHz to 3.0GHz(C input)
Gate Time : 0.01Sec, 0.1Sec, 1Sec, 10Sec
Resolution : 1nHz to 10Hz
Accuracy : +/-Resolution +/-Timebase Error +/-Count |
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Input
Characteristics |
Terminal - A, C
Sensitivity - A Input: 20mVrms, C Input: 30mVrms
Impedance - A Input: 1Mohm, Less than 40pF, C Input: 50ohm
Max. Input Voltage - A Input: 250Vrms, C Input: 3Vrms
Attenuator - A Input: x1, x10
Low Pass Filter - A Input:100kHz, 3dB |
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Multi
Function for
Input A |
Period - Range: 10mSec to 10 Sec
Resolution : 1pSec to 1nSec depending on gate time
and Input signal
Accuracy : +/-Resolution +/-Trigger error +/-1 Count
Totalize - Range: 5Hz to 10MHz
Count capacity: 0 to 999999999(Max.)
RPM - 6RPM t 900 x 10?RPM |
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Timebase
Characteristics |
Internal Timebase - Frequency: 100MHz TCO(TCXO; option)
Aging Rate: Less than x 5 10-6/month
Temp. Stability: Less than 5 x 10-6(0℃ to +50℃)
Line Voltage: Less than 1x10-6 for 10% variation
Frequency Standard Output - Frequency: 10 MHz
Amplitude: 1.5 Vp-p
Impedance: Approx. 600ohm
External Standard Input - Frequency : 10MHz
Amplitude: 1.5 Vrms to 5Vrms
Impedance: Approx. 600ohm |
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General |
Power Requirement - 115/230 VAC +/-10%, 48 to 66Hz
Operating Temperature - 0 to 50℃(Accuracy specified at 25 +/- 5℃)
Dimension - 240(W) x 270(D) x 90(H)mm
Weight - Approx. 2.5kg
Standard Accessories - Power Cord, BNC to BNC cable,
Fuse, Instruction Manual
Option Accessories - RS-232C Software, RS-232C Cable |
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