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Keithley 590 Features:
- 0.1fF sensitivity to test small devices
- Ranges up to 20nF (at 100kHz, using the Model 5904 adapter) to test large, leaky, or forward biased devices
- Test signal voltage of 15mV rms
- Choice of 1MHz frequency for compliance with existing test standards or 100kHz for improved resolution, range, and accuracy
- Selectable measurement rate (1 to 1000 readings per second) and filter to optimize speed/resolution trade-of
- Sophisticated correction for transmission line errors due to device connections
- Built-in test setup and correction value storage, analysis, and plotter control to minimize computer programming
- 100kHz, 1MHz, or 100kHz/1MHz test frequencies
- Measures capacitance (10fF-20nF) and conductance (0.1nS-1µS)
- Internal correction for errors due to cables, connections, and switching paths
- Built-in test setup and correction value storage, analysis, and plotter control to minimize computer programming
Keithley 590 Specifications:
| 100 kHz (4.5 Digits) | |||||
| Range | Resolution | Accuracy (1 Year) 18°-28°C ±(%rdg + counts) | P-P Noise Filter On | Temp. Coefficient 0°-18°C & 28°-50°C ±(%rdg + counts)/°C | Shunt Capacitance Loading Effect ±(%rdg + counts) |
| 2 pF | 0.1 f F | 0.12% + (500 - G/GFS + 200) | 6 fF | 0.02% + (20 - G/GFS) | 0.1 % + (3 - G/GFS) |
| 2 µS | 0.1 nS | 0.12% + ( 50 - C/CFS + 200) | 4 nS | 0.02% + ( 7 - C/CFS) | 0.1 % + (3 - C/CFS) |
| 20 pF | 1 f F | 0.12% + (260 - G/GFS + 10) | 6 fF | 0.02% + (20 - G/GFS) | 0.1 % + (3 - G/GFS) |
| 20 µS | 1 nS | 0.12% + ( 22 - C/CFS + 10) | 4 nS | 0.02% + ( 7 - C/CFS) | 0.1 % + (3 - C/CFS) |
| 200 pF | 10 f F | 0.12% + (260 - G/GFS + 5) | 90 fF | 0.02% + (20 - G/GFS) | 0.1 % + (3 - G/GFS) |
| 200 µS | 10 nS | 0.12% + ( 22 - C/CFS + 5) | 60 nS | 0.02% + ( 7 - C/CFS) | 0.1 % + (7 - C/CFS) |
| 2 nF | 100 f F | 0.12% + (260 - G/GFS + 5) | 900 fF | 0.02% + (20 - G/GFS) | 0.02% + (2 - G/GFS) |
| 2 mS | 100 nS | 0.12% + ( 22 - C/CFS + 5) | 0.6 µS | 0.02% + ( 7 - C/CFS) | 0.02% + (3 - C/CFS) |
| 20 nF * | 1 pF | 0.25% + (260 - G/GFS + 5)3 | 9 pF | 0.1 % + (30 - G/GFS) | 0.02% + (2 - G/GFS) |
| 20 mS | 1 µS | 0.25% + ( 22 - C/CFS + 5) | 6 µS | 0.1 % + (10 - C/CFS) | 0.02% + (2 - C/CFS) |
Accuracy is max. limit for Q≥20; typical for Q≤20.
*using Keithley 5904 20nF/20mS Input Adaptor, please consult your sales representative for availability
| 1 MHz (4.5 Digits) | |||||
| Range | Resolution | Accuracy (1 Year) 18°-28°C ±(%rdg + counts) | P-P Noise Filter On | Temp. Coefficient 0°-18°C & 28°-50°C ±(%rdg + counts)/°C | Shunt Capacitance Loading Effect ±(%rdg + counts) |
| 20 pF | 1 f F | 0.29% + (300 - G/GFS + 10) | 6 fF | 0.02% + (20 - G/GFS) | 0.5 % + (25 - G/GFS) |
| 200 µS | 10 nS | 0.29% + (120 - C/CFS + 10) | 40 nS | 0.02% + ( 8 - C/CFS) | 0.5 % + (10 - C/CFS) |
| 200 pF | 100 f F | 0.29% + (300 - G/GFS + 5) | 100 fF | 0.02% + (20 - G/GFS) | 0.35% + (40 - G/GFS) |
| 2 mS | 100 nS | 0.29% + (120 - C/CFS + 5) | 700 nS | 0.02% + ( 8 - C/CFS) | 0.35% + (16 - C/CFS) |
| 2 nF | 100 f F | 0.29% + (300 - G/GFS + 5) | 200 fF | 0.02% + (20 - G/GFS) | 0.35% + (40 - G/GFS) |
| 20 mS | 1 µS | 0.29% + (120 - C/CFS + 5) | 1 µS | 0.02% + ( 8 - C/CFS) | 0.35% + (16 - C/CFS) |
- 이전글LCR HiTESTER 25.03.21
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