1 PCS used Keithley 487 Picoammeter/Voltage Source #LYQ007
1 PCS used Keithley 487 Picoammeter/Voltage Source #LYQ007
| Parameter | Specification |
|---|---|
| Current Measurement Ranges | 2 nA, 20 nA, 200 nA, 2 µA, 20 µA, 200 µA, 2 mA; Autorange available |
| Current Resolution | 10 fA (minimum) |
| Current Accuracy (1 Year, 18–28°C) | ±(0.1% + 200 fA) for 2 nA range; ±(0.1% + 2 nA) for 20 µA/200 µA/2 mA ranges |
| Voltage Source (Model 487) | Ranges: ±505.00 V (500 V range, 10 mV step), ±50.500 V (50 V range, 1 mV step) |
| Voltage Source Accuracy (1 Year, 18–28°C) | ±(0.15% + 40 mV) for 500 V range; ±(0.1% + 4 mV) for 50 V range |
| Voltage Source Noise (0.1–10 Hz) | <1.5 mV p-p (500 V range); <150 µV p-p (50 V range) |
| V/I Resistance Measurement Range | 500 mΩ to 5 × 10¹⁶ Ω |
| V/I Resistance Typical Accuracy | Better than 0.6% for 1 kΩ to 1 TΩ |
| Maximum Reading Rate | 180 readings/s (fast integration, 4½–5½ digit) |
| Input Overload Protection | 350 V peak (nA/2 µA ranges); 50 V peak (20 µA/200 µA/2 mA ranges); higher voltages require 3 mA current limit |
| IEEE-488 Interface | Full implementation (SH1, AH1, T5, L4, etc.) |
| Operating Temperature | 0°C to 50°C; storage: –25°C to 60°C |
| Power | 105–125 V AC or 210–250 V AC (switch selectable), 50/60 Hz, 45 VA max |
| Dimensions | 90 mm (H) × 213 mm (W) × 397 mm (D) |
| Weight | 4.25 kg (9.3 lb) |
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