7A is your idle current, but what level would you be expecting to measure up to, and what current clamps are you using?

Download the software development kit from our website at http://www.picotech.com/software.html by selecting the appropriate TC08 (USB or Serial)

Alternatively, if you have the blue USB TC08 there is an example application here http://www.picoapps.com/coders-corner/

ps3000_open_unit() is the open unit function for the older 3000 series devices and will not work with your device, it looks like you may have the wrong SDK.

Please go to http://www.picotech.com/software.html and select PicoScope 3206B at Step 1 and the 'Software Development Kit' at Step 2.

Can you save a macro file that fails and post it here and I will give it a go on a few versions.

If you have access to a powered USB hub I would suggest connecting that to the machine that doesn't work and then connecting the adapter into the hub. If that scenario works then it is the laptop not supplying sufficient power to the USB port.

There does appear to be an issue with measuring the duty cycle when it is offset from zero, as in your case. As the development team are currently working on measurements I thought I would test against a pre release version which will appear as a Beta shortly and it does measure duty cycle. Keep an ...

When you have a set up you like go to File->SaveCurrentWaveformAs and change the type to pssettings. This will create a file that you can click on to launch the program with the desired settings.

The software handles this by looking at max/min and crossings of the half way point between the two.

You could try this http://www.picotech.com/support/post28731.html

If you are still have problems please send in details of your generated signal and the scope settings, the easiest way to do this is to post a psdata file.

Version 6.6.42 was a release candidate version of the software that did not make a full release due to a few issues reported back to us. These were fixed in the 6.6.46 release candidate which has now been upgraded to a full release. Can you try this version and let us know if the issue still exists....

Are you running 64bit or 32bit Excel, you will need to use the latter to hook into our dll.

I have managed to run your psdata file, having modified the save file location and removed the trigger, and it falls over at the same point for me. I have passed the information onto our development team and will report back when I have an answer.

Can you navigate to

C:\Users\YourLoginName\AppData\Local\Pico Technology\42f31349-afb8-471d-8a4d4fb7672be39b

and delete all of the files in there before restarting PicoLog.

So it fails at 1,187 waveforms ?

Are all waveforms written individually to disk ? in what format ?