Keithley / Tektronix 6487 Picoammeter / Voltage source

Product Overview This pre-owned Keithley 6487 Picoammeter integrates a high-sensitivity picoammeter and built-in 500V programmable voltage bias source, fully self-tested and calibrated. It is the standard instrument for measuring ultra-faint leakage current in semiconductors, capacitors, optoelectronic devices and insulating materials. Manufactured by Keithley, a subsidiary of Tektronix, with reliable stability for laboratory and production line automated testing. Core Technical Specifications Current Measurement Range: 0.1 fA ~ 20 mA, 5.5-digit resolution, ultra-low noise for tiny leakage capture Built-in Voltage Source: 0 ~ ±500V programmable bias source, 1mV step sweep, polarity reversal function Input Protection: Triaxial guarded input terminal, suppress external EMI and stray leakage current Reading Speed: Up to 1000 readings per second for fast batch testing Communication Interface: Standard IEEE-488 GPIB + RS232, full remote control for automatic test systems Data Storage: Internal memory stores up to 2500 readings, built-in math functions for resistivity & charge calculation Safety Design: Overvoltage, overcurrent protection to avoid damage to DUT