Keithley High Resistance/Low Current Electrometers Series 6500, 6430

Choose from three sensitive options for precision high resistance and low current measurements. The 5½-digit Model 6514 and Model 6517B Electrometers offer 1fA sensitivity, >200TΩ input impedance on voltage measurements, and charge measurements down to 10fC. The 6½-digit Model 6430 Sub-Femtoamp Remote SourceMeter SMU Instrument can measure current with 1aA sensitivity. Its low noise and drift performance make it ideal for research on single electron devices, highly resistive nanowires and nanotubes, polymers, and electrochemical applications.


Model Current Voltage Resistance Charge Source
6514 100aA – 20mA 10µV – 200V 10mΩ – 200GΩ 10fC – 20μC
6517B 10aA – 20mA 10µV – 200V 100Ω – 10PΩ 10fC – 2μC 0 – ±1000V
6430 10aA – 100mA 1µV – 200V 1µΩ – >20TΩ 0 – ±200V
0 – ±100mA


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      Sinetec Technologies
      Tel: 04222446162