Intelligent
Counter
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GFC-8270H
(2.7GHz) |
Frequency, Period measurement |
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Microprocessor controlled intelligent counter |
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High resolution at both high and low frequency |
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0.01Hz ~ 2.7GHz frequency range |
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10mVrms High sensitivity |
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100nHz resolution for 1Hz |
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Self diagnosis routine |
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Variable Trigger Level control |
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Display hold function |
Data Sheet User
Manual |
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| SPECIFICATIONS | |
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Display |
8 digits with Hz, kHz, MHz, GHz, S, mS, µS, nS and overflow |
| Gate Time | Continuously vary from 10mS to 10S, or 1 period of input depending on whichever is greater |
| Accuracy | +(Resolution +Timebase error) |
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| Channel A | |
| Range | DC coupled 0.01Hz ~ 120MHz；AC coupled 30Hz ~ 120MHz |
| Sensitivity | 10mVrms typical； 50mVrms max |
| Coupling | AC or DC switchable |
| Filter | Low pass, switchable in or out for channel A.-3dB point of nominally 100kHz |
| Impedance | 1MΩ//40pF |
| Attenuator | x 20dB |
| Trigger Level Adjustment | -2.5 VDC to +2.5 VDC |
| Resolution |
The maximum resolution for frequency
measurement is 100nHz for 1Hz and 0.1Hz for 100MHz input respectively,
and for period measurement is 10nS for 1Hz and 0.1fS (f=10-15)
for 100MHz input respectively. At least 7,6,5 digits are display for 1S, 100mS, 10mS gate time respectively |
| Period Range | 8nS to 100S at least 7 digits displayed for per second of gate time |
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| Channel B | |
| Range | 50MHz to 2.7GHz |
| Sensitivity | <50mVrms (10mVrms typical) |
| Coupling | AC only |
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| Time Base | |
| Aging Rate | 1 ppm, per Month |
| Temperature | 5 ppm 23°C + 5°C |
| Line Variation | +0.005 ppm for +10% variation |
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| Power Source | AC 100V/120V/220V/240V ±10%, 50/60Hz |
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| Accessories |
Instruction manual × 1, Power cord × 1, GTL-101 × 1 |
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| Dimensions & Weight | 230(W) × 95(H) × 280(D) mm, Approx. 2.2kg |
