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How set the 8009 test fixture I use 500 to 1000 v

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Gary Daniels
Posts: 3
Joined: October 10th, 2011, 1:45 pm
Country: United States

How set the 8009 test fixture I use 500 to 1000 v

Post by Gary Daniels » October 10th, 2011, 2:12 pm

I am using the 8009 test fixture with a 6517A resistivity meter. The test that I am working from is ASTM D257. How can I set up this system so that I can use 500 volts with 100 increments up to 1000 volts. The maximum volts that I have attained is 100, what do I need to do? Also I had a couple of the coated panels read underflow, can you define that for me? I was checking the surface resistance using HDPE sheets and my readings are negative values, so do I have this equipment set up incorrect?

My final question is how to set up the test fixture and the 6517A to perform the Alternating Polarity method:

This is what I performed:
1. <CONFIG>
2. <R>
3. "MEAS-TYPE" then selected "RESISTANCE"
4.<EXIT>, <EXIT>
5. <CONFIG>
6. <SEQ>
7. "APPLICATIONS"
8. "R/RESISTIVITY"
9. "ALT-POLARITY"
10. Set the voltage offset to 0 v.
11. Set the alternating voltage to 100 v.
12. Set the measurement time to 30 seconds.
13. Set the amount of reading to discard to 3.
14. Set the number of reading to store 8.
15. <EXIT>, <EXIT>, EXIT>.
16. <OPER>

Was this correct?

Nathan S
Keithley Applications
Keithley Applications
Posts: 254
Joined: February 28th, 2011, 6:17 am
Country: United States
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Re: How set the 8009 test fixture I use 500 to 1000 v

Post by Nathan S » October 11th, 2011, 6:10 am

Gary,

It defaults on the +/-100V source range. You must enable the +/- 1000V range.

Push the Config button, then the OPER button. I believe there should be a range item in that menu. Hit enter and using the arrow keys, select +/- 1000V and hit enter. Exit out to the main screen and you should now have the ability to go up to 1000V.

Underflow means that the signal is too low for your measurement range. This is helped by using a higher sourced Voltage or a lower measure range.

Gary Daniels
Posts: 3
Joined: October 10th, 2011, 1:45 pm
Country: United States

Re: How set the 8009 test fixture I use 500 to 1000 v

Post by Gary Daniels » October 11th, 2011, 7:58 am

Nathan,

The alternating polarity method that I tried did not work. Can you provide me with a method or sequence of keys to imput to so that I use that Alternating Polarity test.

In the mean while I will try your suggestion.

Thanks,

Gary Daniels

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