... We are professional manufactor for thermocouple,magnet valve,ODS and ignition needle ,Which used in gas stove,oven, heater etc ... flameout safety protector. We concern with this business for 12 years. We can provide you the highest quality ... ≤1.5mv when 1.5min if it heated for 5min and then cut off the power.·work temperture ... Cr and according to request of customers Gas Thermocouple for cooker,gas heater