Keithley 427 Current Amplifier


SKU: K275

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Web Information

The Keithley 427 Current Amplifier provides high gain, low noise, current suppression, and high speed.

The 427 features 8 decade ranges from 10E+4 V/A to 10E+11 VA.

Current suppression features permit examination of small currents in the presence of larger steady currents.

Applications using scanning electron microscopes, mass spectrometers, and photomultiplier systems can be used with the 427 for enhanced measurements of small component signals.


Used. Good functional condition.


  • Keithley 427 current amplifier
  • Power cord



30 Day warranty. We pledge to offer the best service and warranty to all of our customers!  We are extending a 30 Day warranty on this item. This is our way of saying thank you for allowing us to serve you.


This is a genuine product from this manufacturer.


Regardless of the origin of the equipment, documentation provided or identification appearing upon the equipment, the equipment described and offered here is in no way certified for, recommended for, or offered for any specific use. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the equipment. The purchaser, by bidding on this equipment, indicates their acknowledgment of, and agreement to the terms of this disclaimer. it is the purchaser's responsibility to have the item inspected and certified by a qualified professional before use!