All equipment shown is refurbished.
Keithley 181
Product Description

Nanovoltmeter The 181 Nanovoltmeter provides 10 nV to 1000 VDC in 7 ranges 6 1/2-digit readout IEEE-488 Bus Analog output CMRR 160 dB on mV ranges and 140 dB on V ranges. Picture Not Available Manufacturer's Standard Accessories Low Thermal Input Cable
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