PPK2 not showing correct measurement

[vcarlon]

I seem to be getting a measured value of 1/10th of the actual current value.

On my original setup, I was expecting around 1mA of current, but ppk2 running in ampere meter mode is only measuring around 100uA. I connected another ammeter in series to test my hypothesis the other ammeter is measuring my expected value of around 1mA.

I created a very basic setup with just a 3.3V supply, 3.3K ohm resistor and the PPK2 connected in series to demonstrate the problem. This should also produce around 1mA of current, but the PPK2 is measuring only around 92.8uA (around 100uA). 

This is the screenshot of the PC application:

The circuit diagram:

And a picture of the setup:

I guessing I have a setting or a connection that is wrong, but I have checked everything as far as I can, and I can't seem to find it.

Thanks in advance for any help!

[Elfving]

Sorry about that, the file sometimes fail to upload. Here it is.

7115.zephyr.hex

Regards,

Elfving

[vcarlon]

Thank you for your reply! Japan is on a holiday today, and on Monday. I'll check it as soon as I can on Tuesday.

[vcarlon]

Hello again, I might have misunderstood your reply.

I tried writing that hex file the to PPK2 using the Programmer tool in the nRF Connect for Desktop application, but it wouldn't let me. So I went back and read your reply again.

Do you mean that I have to write that hex file to the nRF9160 DK board, then, connect the PPK2 to it, then measure the current usage? If so, it's going to take a couple more days again before I can test it since the nRF9160 DK board is not on my desk right now.