The E-cat HT tested at Lugano is featured on ecat.com
http://ecat.com/ecat-products/ecat-ht-hot-cat-prototype
note : Operational Temperature Range: 350 – 1050 °C
1050 give a hint to emissivity error as suspected, but 350C min say something happen at this temperature?
anyway maybe it is a red herring.
note also the "hydrogen tablets" (hydride? LAH?)