Kenosha Reuse Discussion Board > RACINE, WI
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> Keithley 619 electrometer+manual,dmm multimeter nice
Keithley 619 electrometer+manual,dmm multimeter nice
If you're already familiar with Keithley you won't need to read the following sales pitch but if you haven't had the good fortune of using an electrometer for general lab use you should pay attention. The Keithley 619 looks like an over sized Digital Multimeter from decades ago, it essentially is, but I would rather use this meter than some of my new 6.5 digit Agilent meters!
Femto-amp resolution on the Amps function! Great for gas sensor development!
10uV resolution on the Volts function.\
Micro-Ohm resolution up to Tera-Ohms!
It has a mind boggling 20 Tera-Ohms input impedance!!! This device will not load your circuit! You can measure nA currents of specialized sensors or voltage accross pF capacitors without even needing to think about the circuit loading errors!
The unit being sold here is in good physical condition but has a small problem on Channel B (I wouldn't have even noticed it unless I had read the hand written note in the manual). Apparently, when switching to the AMPS function on channel B, one of the internal reed relays does not close properly (the note mentions which one) and the AMPS reading does not work. Simply tapping the top of the meter (or the relay) causes the relay to close and everything is okay. Seems like an easy fix if you need to use Channel B Amps function.
Also included is the Instruction Manual which includes all operating and servicing information (full schematics!).
