Used KEITHLEY 485 Buy / Purchase at the right Price.
485 Rental Available.
Custom-Cal has a used KEITHLEY 485 Autoranging Digital Picoammeter in stock and ready for purchase at a fair price. All units sold by Custom-Cal are provided with an applicable NIST traceable calibration/performance verification and a 90 day warranty (unless otherwise noted). With this added service, you can be confident that you are buying a fully functional unit that meets OEM specifications.

We are always willing to work with the customer on price. If you would like to buy a used KEITHLEY 485 but, don't see the price you want, please name your price below and we will try to find one for you to purchase. The KEITHLEY 485 can also be rented.
KEITHLEY 485 Autoranging Digital Picoammeter


General description of the used KEITHLEY 485 for sale.
The Keithley 485 Autoranging Picoammeter provides 100fA sensitivity with 4 1/2 -digit resolution in a low-cost, highly sensitive, easy-to-use instrument. The 485 measures DC current on seven ranges covering 10 decades from 100fA to 2mA. The input can withstand overloads as high as 1000V (with 100k-ohm limiting resistor). An analog output linearly converts the incoming current to voltage for hard copy output or control loop applications. The 485 has several features that facilitate measuring low current. In the AUTORANGE mode, the 485 maximizes resolution. The REL button makes readings relative to the baseline (the reading prior to touching the button). The LOG button converts the display to the logarithm (base 10) of the absolute value of the measured current. Digital calibration is performed from the front panel or over the bus. A 100-point DATA STORE buffer collects and stores measurements at one of six automatic reading rates from three per second to one per hour, or manually with the STORE button. Minimum and maximum readings are continuously updated at three per second in the DATA STORE mode. Display: 41/2-digit LCD, 0.5 in height; polarity, range, and status indication. Measures from 2 nA to 2 mA full scale with a 1 year accuracy of ±(0.4% + 4 counts) on the 2 nA range (worst case). Manual or autoranging. Analog output (+1 V = -10000 counts, except +100 mV on 2 nA range). DC voltage input 50V to 350V.

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Current Inventory Available for Purchase. Please check the box of the one(s) you would like to buy.
For KEITHLEY 485 rental, please leave length of rental period in comment box.

PurchaseInventory IDSerial NumberInstrument NotesSale Price
134132419825With IEEE-488 interface, Calibration $185Price $395.00
1341330727128With IEEE-488 interface, Calibration $185Price $395.00
1341340814401With IEEE-488 interface, Calibration $185Price $395.00


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485 Rental Available.
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