Technical data
(1) Thermal potential
·heat characters: the temperature of thermocouple on flame is 600-700 and the heat potential should≥15mv
·cool characters: the temperature of thermocouple on flame is 600-700. The heat potential should be≤1.5mv when 1.5min if it heated for 5min and then cut off the power.
·work temperture: the top temperature is lower than 700 and the other parts higher than 125
(2) Inner resistance
·accord to its type and length and the tolerance is in ±10% as is requested.

(3)Length
according to request of customers
(4)Forehead&terminal

according to request of customers