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7168 Scanner Card

7001, 7002 and Switch Cards
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redsmolf
Posts: 3
Joined: March 2nd, 2011, 8:27 am
Country: Sweden

7168 Scanner Card

Post by redsmolf » December 3rd, 2012, 1:01 am

Hi Keithley!

I have a 7168 Scanner Card in my Keithley 7001 Switch System.

I have encountered a problem, there is a resistance between the L terminals of almost all channels.

I've measured the resistance on friday (2012-11-30) and it was around 13 Ohm (between L on channel 7 and 8). Left the card unconnected over the weekend
and measured the resistance again today (2012-12-03) and it was around 80 Ohm (between L on channel 7 and 8). This is not just between 7 and 8 but between all channels, but the resistance differ a little between the channels.

I want the resistance to be infinity, and it apears to be on its way to it... but is there something i can do to hurry the process and any idea of what i may have done to the card to create this effect?

/Peter

redsmolf
Posts: 3
Joined: March 2nd, 2011, 8:27 am
Country: Sweden

Re: 7168 Scanner Card

Post by redsmolf » December 3rd, 2012, 4:49 am

Problem solved, one of the battery piles was a little loose.

Thanks anyway!

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