If the scale was marked in degrees it still wouldn't be accurate but if you used a thermometer the first few times and figured out the overshoot it would be pretty useful so long as it was consistent with a set water level. I get too many bad brews from guessing how much the water has cooled because I can't be bothered to get the thermometer out.
I've looked into fitting a PID controller to a kettle before to get an accurate temperature but never got round to it. That Philips thing could be a good compromise. Not sure how you heat just the amount of water you need other than filling it with the right amount in the first place like any other kettle. :/
If the scale was marked in degrees it still wouldn't be accurate but if you used a thermometer the first few times and figured out the overshoot it would be pretty useful so long as it was consistent with a set water level. I get too many bad brews from guessing how much the water has cooled because I can't be bothered to get the thermometer out.
I've looked into fitting a PID controller to a kettle before to get an accurate temperature but never got round to it. That Philips thing could be a good compromise. Not sure how you heat just the amount of water you need other than filling it with the right amount in the first place like any other kettle. :/