Well, I broke my promise about not using this machine till I replace the tubing... I have to flush all the contents of the HX out before using it though, which is a pain.
I wanted to share this video I took today. I did the "Schomer" type of temperature reading method, ie locking in the PF with a tc sitting on top of the coffee.
The results were pretty impressive, you can see by about six seconds the temp had stabilized at 86/87C (flicking between the two) and stayed there for the rest of the 33 second shot.
If you listen carefully you can hear me saying something brilliant to my wife
Unfortunately I haven't calibrated either my PID or the other readout device, so I don't know what the actual temperature is. A couple days ago I was pulling shots at 93C (PID) which didn't taste too hot, and now at 91C it doesn't taste too low, so I guess it isn't too far off.
I've got the next version all planned out (in my mind...), I'm just waiting for some $%^& time to get it made!