Radiator transmits at 500 mHz
(checks notes on black-body radiation)
sounds pretty hot
@deejoe mHz not MHz
@deejoe although I made a calculation mistake - 1.1 mHz, since the boiler cycles every 15 minutes.
@th 500 μHz, surely?
Roughly 4 cycles in 2 hours is 1 cycle per 1800 seconds. 1/1800 = 0.0005555…
I'm assuming those are hh:mm, not mm:ss, on the x-axis, given that they wrap as 24.
That'll be the boiler cycling on and off, of course. Mine does that at about 1.8 mHz which is obviously about three times better ;-). I actually use the wibbles in the radiator flow temperature to approximate the boiler run time: https://edavies.me.uk/2019/01/oil-use/
@th *wrap at 24.
@edavies right, metric prefix mistake on my part. 0.5 mHz boiler cycling is very low frequency pwm.