So after thinking about this for another moment, I’m assuming this is one possibility of what TRANSFORMATIONS could be used for.
I have a bit of JavaScript code that will do the conversion that I want…what do I need to do to get the number of seconds into the code so that it can process and convert and then display the desired output?
var measuredTime = new Date(null);
measuredTime.setSeconds(XXXX); // specify value of SECONDS XXXX is the value from OH
var MHSTime = measuredTime.toISOString().substr(11, 8);
If the item from your previous illustration is providing the uptime as a number of seconds, it should be possible to get that number via something like: