Good morning greetings friend Fermin 007 the resistance you must measure so that it works well and the thermostat what is in this model of hair straightener I have not seen it sorry thank you could you please indicate me it is a PROFESSIONALE RUCE iron, to something else I put direct bone without the thermo-fuse works but not let it reach the temperature so that it goes off excuse me if you can help me in this I will thank you thank you.