Resistance Range | 10kΩ - 1PΩ (dependent on test voltage), 4 Ranges or Auto Range Range 1: 1pA to 10nA Range 2: 2nA to 100nA Range 3: 20nA to 10uA Range 4: 2uA to 1mA |
Resistance Accuracy | For Rx <20G (Vx): ±(2% of reading +5cnt) For Rx >20G (Vx): ±(Vx/1pA) in ohms. Max reading: Vx/0.1pA Rx = Measured resistance in ohms Vx = Programmed voltage in volts |
Voltage Range | 10 to 1000V DC in 1V steps, 1868A 50 to 5000V DC in 1V steps, 1868D |
Voltage Accuracy | 2% of setting ±1V in uncalibrated mode |
Source Resistance | 100Ω, 1kV (1868A); 3.3kΩ, 5kV (1868D) |
Charge Current | 2/25/80mA (1868A); 2/10/18mA (1868D) |
Discharge Resistance | 100kΩ |
Current Measure | 1pA to 1mA |
Measure Limits | 5 Programmable Limit Sets |
Measurement Result | Resistance or Current |
Test Speed | Trigger Mode: 40msec Continuous Mode: 90-4000msec (Depending on # to Average) |