I apologize if this is a trivial question but why is there no earth ground connection on the back panel of the model 248 high voltage power supply? I understand that the device under load should have a grounded safety shield during operation but I don't get why the power supply is not grounded too. I am using this power supply for field emission experiments and I don't want to damage it with arcing. What are you recommendations for this issue?
Thanks
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Model 248 Earth Ground
Re: Model 248 Earth Ground
Hello,
The 248 has an OVP circuitry to avoid arcing.
This is explained in the datasheet (Model 248 High Voltage Supply and Technical Information - DC Power Supplies)
See link below;
http://www.keithley.com/support/keidoc_ ... Data+Sheet
In addition, the E-handbook there's a number of applications for additional information.
http://www.keithley.com/support/keidoc_ ... e=Brochure
I hope this helps.
Jane
The 248 has an OVP circuitry to avoid arcing.
This is explained in the datasheet (Model 248 High Voltage Supply and Technical Information - DC Power Supplies)
See link below;
http://www.keithley.com/support/keidoc_ ... Data+Sheet
In addition, the E-handbook there's a number of applications for additional information.
http://www.keithley.com/support/keidoc_ ... e=Brochure
I hope this helps.
Jane
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