Keithley 1801 DS free download

File name 1801_DS.pdf

1801 Nanovolt Preamp Option Remote preamp architecture provides extended measurement ranges and improved sensitivity For 2001 and 2002 DMMs With just 0.6nV p-p noise, the Model 1801 Nanovolt Preamp for the Model 2001 and 2002 is the most sensitive room temperature digital nanovolt- meter available. But it's equally suitable for a wide range of low-level AC voltage, 4-wire ohms, frequency/period, and differential temperature measurement applications. It extends the low-level measurement ranges and amplifies the voltage sensitivity of the Model 2001 and 2002 DMMs by 1000 times. The Model 1801 is specifically designed for connection to these DMMs via the option slot on the instrument's back panel. The 1801 takes advantage of the DMM's flexible user interface and measurement and display capabili- ties, while isolating the preamp from the noisy electrical environment sur- rounding