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Search found 107 matches

by Joseph V
October 13th, 2014, 6:07 am
Forum: 2400 Series SourceMeter
Topic: Adding new instrument in Keithley
Replies: 5
Views: 21360

Re: Adding new instrument in Keithley

Make sure that you have your 2400 set to GPIB communication, the default GPIB address should be 24.
In a VI front panel that has a VISA Resource name contoller you should be able to select 'GPIB0::24::INSTR' that would be the appropriate visa resource name for your 2400.
by Joseph V
October 9th, 2014, 6:50 am
Forum: 2400 Series SourceMeter
Topic: Adding new instrument in Keithley
Replies: 5
Views: 21360

Re: Adding new instrument in Keithley

To use the 2400 with Labview you do not need to add a new instrument using the Keithley configuration panel. What kind of GPIB-USB card are you using? Do you have NI-VISA installed? Is your labview 32-bit or 64-bit? If you are using the KUSB-488B then you will need to use NI-VISA 32-bit and your lab...
by Joseph V
October 9th, 2014, 6:47 am
Forum: PicoAmmeters
Topic: 6487 Noisy Voltage Source
Replies: 1
Views: 16789

Re: 6487 Noisy Voltage Source

The 6487 does not have a noise specification at 25MHz, however we do provide a wideband noise specification from 0.1Hz o 20MHz which has a level of 30mV p-p, so by going even high I am not surprised that you are seeing 25MHz p-p.
by Joseph V
October 8th, 2014, 1:38 pm
Forum: Instrument Accessories & GPIB
Topic: windows 8.1 and KUSB-488A
Replies: 3
Views: 17194

Re: windows 8.1 and KUSB-488A

Although the drivers don't state it on the website the KUSB-488B drivers will work on Windows 8.
by Joseph V
October 8th, 2014, 9:18 am
Forum: Current Sources
Topic: 6221 sweep and hold current
Replies: 5
Views: 21623

Re: 6221 sweep and hold current

There was actually some confusion..
he external triggering does work on the sweep function of the 6221.
The external triggering does not work on the arbitrary waveform function of the 6221.
by Joseph V
September 30th, 2014, 11:11 am
Forum: KickStart
Topic: Kickstart does not detect gpib and 2600 Series
Replies: 3
Views: 17375

Re: Kickstart does not detect gpib and 2600 Series

Hello.

The kickstart software does not support the 2600 series which is why it wont recognize your instrument.
Kickstart only supports the 2400 series, 2700 series, and 2280S.
by Joseph V
September 26th, 2014, 6:29 am
Forum: Current Sources
Topic: Problem with 6220
Replies: 5
Views: 24141

Re: Problem with 6220

With regards to the front panel beings slow the unit may need to come in for service. Error 402 is stating that the interlock of the instrument is open and as such will not output any current. To be able to turn the output on you must first close the interlock, a diagram can be viewed in the user ma...
by Joseph V
September 10th, 2014, 6:10 am
Forum: 2400 Series SourceMeter
Topic: Procedure for factory restore for 2410 model
Replies: 1
Views: 9889

Re: Procedure for factory restore for 2410 model

Can you send a *IDN? command to the machine to see what thinks it is?
You could try updating the firmware for the 2410, most recent version is C32.
by Joseph V
September 9th, 2014, 11:56 am
Forum: 2400 Series SourceMeter
Topic: Programming Manual for 2400 Source Meter
Replies: 2
Views: 13345

Re: Programming Manual for 2400 Source Meter

Hello
Here is the link to download the 2400 user manual: download

In section 18 there will be tables for all of the possible SCPI commands that can be sent to the 2400 following the command table is a few programming examples.
Hope this helps

--Joe
by Joseph V
September 5th, 2014, 5:33 am
Forum: Instrument Accessories & GPIB
Topic: Kusb 488 and Excel
Replies: 7
Views: 29936

Re: Kusb 488 and Excel

Hi alice,

We do not offer linux drivers for any of our devices.
by Joseph V
September 3rd, 2014, 8:32 am
Forum: PicoAmmeters
Topic: Negative to positive TTL signal
Replies: 1
Views: 17293

Re: Negative to positive TTL signal

On the TLINK lines the signal goes from High (3.4V typical) to Low (0.25V typical) which would make it appear as if it was giving a negative signal. This can be referenced in the 6482 user manual on page 7-13, the triggering occurs on the falling edge of the signal which is why it is done this way.
by Joseph V
August 29th, 2014, 7:19 am
Forum: 2400 Series SourceMeter
Topic: Custom sweep with 624 points
Replies: 1
Views: 9867

Re: Custom sweep with 624 points

You can only send a maximum of 100 points for every :SOUR:LIST:VOLT <data> command. Try the following commands in sequence filling in your data as needed. :SOUR:LIST:VOLT <100 data points> :SOUR:LIST:VOLT:APP <100 Data points> :SOUR:LIST:VOLT:APP <100 Data points> :SOUR:LIST:VOLT:APP <100 Data point...
by Joseph V
August 12th, 2014, 10:57 am
Forum: Series 2000 and Series 2100 DMM's
Topic: 2000 DMM Display Lockup
Replies: 1
Views: 10195

Re: 2000 DMM Display Lockup

I was able to recreate this problem under revision:A20 A02, I was able to fix this problem by simply pressing the "local" button that is located above the power button on the front panel.
by Joseph V
August 8th, 2014, 12:33 pm
Forum: Series 2700 Multimeter/Data Aquisition/Switch System
Topic: 2701 Reading Hold
Replies: 3
Views: 15461

Re: 2701 Reading Hold

Yes, that is correct. SInce your SEED value is 10 V then the next value that could be held would be between 9 and 11V with a window of 10%
by Joseph V
August 7th, 2014, 11:51 am
Forum: Series 2700 Multimeter/Data Aquisition/Switch System
Topic: 2701 Reading Hold
Replies: 3
Views: 15461

Re: 2701 Reading Hold

The "SEED" reading is simply the first reading that is held during the hold operation. The "Present Window" is the configuration setup when enabling the hold. The percentages are used for setting the tolerance for the readings.
by Joseph V
August 7th, 2014, 6:34 am
Forum: Series 2000 and Series 2100 DMM's
Topic: Low Level Measurement Standard Deviation
Replies: 1
Views: 9922

Re: Low Level Measurement Standard Deviation

The model 2000 on the 100 mV range has a sensitivity of 0.1e-6V which means this is the lowest value it can detect. This however does not mean that is accurate to 0.1e-6V. The 90 day accuracy of the model 2000 is ±(40ppm of the reading + 35ppm of the range). So for your case of measuring a 1e-6V the...
by Joseph V
August 6th, 2014, 10:42 am
Forum: Series 2000 and Series 2100 DMM's
Topic: Multichannel measurements and Labview
Replies: 1
Views: 10364

Re: Multichannel measurements and Labview

I have attached a vi that will scan channels 1 through 3 and record the voltage. Since signalexpress can run vis then this will work for you.
by Joseph V
August 6th, 2014, 5:47 am
Forum: 2400 Series SourceMeter
Topic: How to program K2400 in Labview for an IVcurve
Replies: 3
Views: 16348

Re: How to program K2400 in Labview for an IVcurve

Attached is a vi that will sweep the voltage, in this case form 1 to 10, and then read the current data from the buffer of the 2400. To get a graph you can copy the data from the buffer into an excel spreadsheet and add in the voltage levels and create a graph from there.
by Joseph V
August 5th, 2014, 12:02 pm
Forum: PicoAmmeters
Topic: 2 6487's, no current output
Replies: 1
Views: 16744

Re: 2 6487's, no current output

When powered up the 6487 will default into zerocheck mode which is what you see. To see the current reading you must presss the "ZCHK" button on the front of the 6487.
by Joseph V
August 4th, 2014, 6:23 am
Forum: Series 2000 and Series 2100 DMM's
Topic: Getting -221(Settings Conflict) Error
Replies: 2
Views: 13833

Re: Getting -221(Settings Conflict) Error

Hello,


The -221 error is in reference to the SCPI commands that are being defined. You could define how you are trying program the 2000 in SCPI?

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