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The Instek GFC-8131H Intelligent Counter gives you high resolution at both high and low frequencies. Features easy operation with a simple front panel interface, suitable for both portable and bench-top use.
The Instek GFC-8131H Intelligent Counter gives you high resolution at both high and low frequencies. Features easy operation with a simple front panel interface, suitable for both portable and bench-top use.
Discontinued!
This product has been discontinued and is no longer available. There is no direct replacement. Don't worry, we have some options to help you find what you need:
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The Instek GFC-8131H Intelligent Counter gives you high resolution at both high and low frequencies.
Features
| Channel A | |
| Range | DC Coupling: 0.01Hz to 120MHz AC Coupling: 30Hz to 120MHz |
| Sensitivity | Typical: 10mV Maximum: 50mV |
| Coupling | AC or DC, Selectable |
| Filter | Low pass, selectable in or out for channel A (-3dB point, nominal 100kHz) |
| Impedance | 1MΩ // 40pF |
| Attenuator | 1/1 or 1/20dB |
| Trigger Level | -2.5 VDC to 2.5 VDC |
| Adjustment Resolution | For frequency measurement, the maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz inputs respectively For period measurement, the maximum resolution is 10ns for 1Hz input, and 0.1x10-15s for 100MHz inputs respectively |
| Display Accuracy | 7 Digits for 1 sec Gate Time 6 Digits for 100ms Gate Time 5 Digits for 10ms Gate Time |
| Period Range | 8ns to 100ns (at least 7 digits displayed per gate time) |
| Channel B | |
| Range | 50MHz to 1.3GHz |
| Sensitivity | ≤40mVrms (10mVrms Typical) |
| Coupling | AC Only |
| Time Base | |
| Aging Rate | 1ppm per month |
| Temperature | 5ppm, 23°C ±5°C |
| Line Variation | 0.005ppm for ±10% Variation |
| General Specifications | |
| Display | 8 Digits with Hz, kHz, MHz, GHz, s, ms, μs, and overflow |
| Gate Time | Variable from 10ms to 10s, or 1 period of input depending on whichever is greater |
| Accuracy | ±(Resolution ± Timebase Error) |
| Power Source | AC 100V/120V/220V/230V ±10%, 50/60Hz |
| Dimensions | 230 x 95 x 280 mm |
| Weight | Approx. 2.2kg |
| Channel A | |
| Range | DC Coupling: 0.01Hz to 120MHz AC Coupling: 30Hz to 120MHz |
| Sensitivity | Typical: 10mV Maximum: 50mV |
| Coupling | AC or DC, Selectable |
| Filter | Low pass, selectable in or out for channel A (-3dB point, nominal 100kHz) |
| Impedance | 1MΩ // 40pF |
| Attenuator | 1/1 or 1/20dB |
| Trigger Level | -2.5 VDC to 2.5 VDC |
| Adjustment Resolution | For frequency measurement, the maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz inputs respectively For period measurement, the maximum resolution is 10ns for 1Hz input, and 0.1x10-15s for 100MHz inputs respectively |
| Display Accuracy | 7 Digits for 1 sec Gate Time 6 Digits for 100ms Gate Time 5 Digits for 10ms Gate Time |
| Period Range | 8ns to 100ns (at least 7 digits displayed per gate time) |
| Channel B | |
| Range | 50MHz to 1.3GHz |
| Sensitivity | ≤40mVrms (10mVrms Typical) |
| Coupling | AC Only |
| Time Base | |
| Aging Rate | 1ppm per month |
| Temperature | 5ppm, 23°C ±5°C |
| Line Variation | 0.005ppm for ±10% Variation |
| General Specifications | |
| Display | 8 Digits with Hz, kHz, MHz, GHz, s, ms, μs, and overflow |
| Gate Time | Variable from 10ms to 10s, or 1 period of input depending on whichever is greater |
| Accuracy | ±(Resolution ± Timebase Error) |
| Power Source | AC 100V/120V/220V/230V ±10%, 50/60Hz |
| Dimensions | 230 x 95 x 280 mm |
| Weight | Approx. 2.2kg |
