fc7150u

1.　　　 0.1~1.5GHz, Universal function
2.　　　 Frequency measuring range : 0.1Hz to 150MHz in A, B input and 50MHz ~ 1.5GHz in C input
3.　　　 Trigger level adjustment for input A
4.　　　 Separate and common mode selectable for input A and B
5.　　　 Period / Total measurement for input A
6.　　　 Time interval and ratio measurement for input A and B
7.　　　 Slope mode selectable for input A and B
8.　　　 9 digit display with 0.01mHz resolution in 1 sec.
9.　　　 High sensitivity external reference input function (higher than 20mVrms)
10.　 Microprocessor controlled
11.　 Reciprocal technique for high resolution at low counting frequency
12.　 Self check function executed to perform an automatic self diagnosis of various counter function
13.　 Push-scanning for selecting function and gate time
14.　 Low-pass filter(100kHz, -3dB) installed for removing noise signal in low frequency measuring
15.　 AC/DC coupling function (selectable X1 / X10 attenuator)
16.　 Data hold function
Optional RS-232C serial interface function for communication with computer


FREQUENCY
MEASUREMENT　- Display : 9 digit large green LED display
　 (Overflow, gate time, mHz, Hz, kHz, MHz, ns, μs, s, hold)
- Range : 0.1Hz ~ 1.5GHz
- Gate time : 0.01s, 0.1s, 1s, 10s
- Resolution : 1nH ~ 10Hz
- Accuracy : ± resolution ± time base ± 1 count　
INPUT
CHARACTERISTICS　- Terminal : A, B, C
- Sensitivity : 20mVrms A, B input / 30mVrms C input
- Impedance : 1MΩ < 40pF A, B input / 50Ω C input
- Max. voltage : 250Vrms A, B input / 3Vrms C input
- Attenuator : X 1, X 10 A, B input
- Slope A, B : + or ? selectable
- Trigger A : preset or variable
- Low pass filter : 100kHz(-3dB) A, B input　
　　 MULTI
　　 FUNCTION FOR
　　 INPUT A - Period : 10ms ~ 10s range with 1ps ~ 1ns resolution
　 / ± resolution ± trigger error ± 1 count accuracy
- Totalize : 5Hz ~ 30MHz range / 0 ~ 999999999(Max)
- RPM : 6 ~ 900 X 106 RPM　
　
　　COMPARISON
　　FUNCTION FOR
　　INPUT A, B　- Time interval (A → B) : 1μs ~10s range / 100ns LSD display
　 / ± LSD ± trigger error resolution
　 / accuracy : ± LSD ± trigger error ± time
　 base error X time interval / 1, 10, 100, 1000 multiplier
- Ratio (A/B) : 0.1Hz ~ 10MHz A input range, 0.1Hz ~ 10MHz
　 B input range
　 / ± LSD ± (trigger error X frequency A)/N resolution
　 / accuracy : ± 1count of A ± B trigger error ± frequency A　
　　TIME BASE
　　CHARACTERISTIC - Internal time base : 10MHz TCO frequency, 3 X 10-7/ month,
　 under 5 X 10-6 (0 + 50℃) temperature stability, under 1 X 10-7
　 for 10% variation line voltage
- Frequency output : 10MHz frequency / 2.5Vp-p amplitude /
　500Ω impedance
- External input : 10MHz frequency / 20mVrms ~ 5Vrms input
　level / 500Ω impedance　
　
　　GENERAL　- Operating environments : 0℃ ~ 50℃
- Range for guaranteed : 25℃± 5℃
- Power requirement : AC 115 / 230V ± 10%, 50/60Hz
- Dimension : 255mm(W) X 80mm(H) X 260mm(D)
- Accessories : power cord, fuse, operation manual, BNC cable
- Factory optional selection : RS-232C interface / TCXO