Kuwongolera kutentha kwa ± 1 ° C, zosinthika ± 3 ° C.
Preheater imagwiritsa ntchito njira yotsekera kuti ipangitse kuwongolera kwamadzimadzi kukhala kokhazikika komanso koyenera kudya (patent: ZL201420137471.2).
Makina otenthetsera amakhala ndi mphamvu zochepa komanso mphamvu zotenthetsera.