Thank you, Martyn. Yes, I normally have the properties window open, showing sampling time. Using time difference between vertical rulers and sampling time, computing number of points between rulers becomes trivial. But, I was more thinking of the convenience of not having to reach for my calculator ...

OK. Thank you Martyn.

I think it would be helpful with two additions to PicoScope 6.
For automatic measurements, counting data points between rulers would be a helpful addition.
Secondly, the ability to save, as CSV or TAB delimited text, only data points in a zoomed view would help to write smaller text files.

It is a 1 microsecond negative pulse recurring every 20 microseconds.
I enclose a new JPG file and the corresponding psdata file with 32 buffer captures.
Once the problem starts, about 10 % to 20 % mask failures are recorded.

PicoScope® 6 - PC Oscilloscope software version: 6.12.5.2630 Model: PicoScope 2203 USB Version: 2.0 Hardware Version: 16 Driver Version: 2.2.0.16 OS: Windows 10 Pro My picoscope 2203 seems to have a problem with time resoultion for triggering. Enclosed is a JPG file illustrating the issue. I have us...