This tool can logging bending process.
Each interval minute, This will notify you to select machine situation.
You can go other app. or sleep mode during logging.
This will still notify you by tone.
So, you don't need to concentrate for watching machines.
Before start, Set Interval (min), Machine qty., Name and Memo.

Pause button let you have lunch and break.
Back button can go back log data to fix missed input as much as you want.
Next button shows alternate buttons like others.

You can make unique name and memo for each machine.
This will help you to find which machine you are working on.

You can see chart during logging using start to current data.
Chart has two view which shows all data and without others.

You can send results by e-mail for additional work after logging.

Limitation
This can logging up to 10 machines at same time.
You can use up to 25 hours with 5 minute interval.