Keithley Series 6400 Picoammeters
The cost-effective 5½-digit Model 6485 Picoammeter can measure currents from 10fA to 20mA, at speeds up to 1000 readings per second. The Model 6487 Picoammeter/Voltage provides higher accuracy and faster rise times than the 6485, a 500V source, and a damping function for use with capacitive devices. The Model 6482 Dual-Channel Picoammeter/Voltage Source offers higher measurement resolution than the Model 6485 or Model 6487 and dual, independent 30V voltage bias sources.

Keithley Series 6400 Picoammeters
Overview
Model
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Features
- Current resolution as low as 1fA (6482)
- Burden voltage as low as 200ÎĽV
- Dual-channel measurements (6482)
- Choose from 0, 1, or 2 built-in voltage sources
- Built-in analog outputs
- Measure currents up to 20mA
- Up to 1,000 readings per second
- Built-in Trigger Link interface