Hi,All:
In IPC 7721 and 7711 document just mentioned the hot air temperature  is approximately 425℃ and adjust it if necessary ，but it didn’t define the test method to get the real  temperature.
Do you have the relative solutions?
Thanks,

Lewis Liu (刘定豪）
Engineering Department
Failure Analysis laboratory Supervisor
Tel:+86 -25- 52728710
Cell:+86 -25 -13851527451
Mail:  [log in to unmask]<mailto:[log in to unmask]>
Kimball Electronics (Nanjing) Co.,Ltd


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