| Indeed; it's almost impossible to provide a temp sensor on something directly attached to your skin for hours on end: it would require some very impressive thermal insulation to avoid the sensor itself ending up at skin temp.
The temp sensor is only useful when the watch is *not* on the wrist. Many people seem disappointed with this, although anything else would be a real surprise. But I suppose if you sell a watch - designed to be worn - with a temp sensor, that people expect it to work when worn. Fair enough.
It works very well indeed when on e.g. a bike mount, though. As said above *at least* 15 mins will be required for it to reach ambient temp, if the difference between that and skin temp is > 10C. |