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200, 210, 220, 486/7, 60x, 61x, 64x Electrometers
409, 41x, 42x, 44x, 48x -
14x, 18x, 1801 Nanovoltmeters
15x, 18x Null Detectors/Microvoltmeters
- Posts: 4
- Joined: November 9th, 2011, 1:54 am
- Country: Germany
hello, I have a Keithley 617 electrometer. According to the manual, if you use its internal voltage source, there is a maximum current limit of 2mA for the simultaneous current measure. My question is: if I don't care the accuracy of the current reading, can i still use the voltage source even if the current is overloading? Is this going to destroy the electrometer in the long run? Thanks.
- Keithley Applications
- Posts: 2846
- Joined: June 10th, 2010, 6:22 am
- Country: United States
When the current is "overloading" the voltage source is no longer a constant voltage source.
It is now a source of current with a 4mA value.
the voltage source was not designed to operate in the "compliance" or "overload" mode.
Keithley's SMUs (Model 2400 and 2600A series) do operate in the compliance mode.
But not the 617.
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