DIY Heat treating oven (build video)

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PART LIST:
Insulating fire bricks K23
High temperature refractory cement
A1 kanthal wire (1,2mm)
PID controller
K-type Thermocoupple
Solid state relay with heatsink.
Limit switch (NO)
Power switch
Ceramic connector
...

Inside dimension : 43cm x 18cm x 10cm (17x7x4 inch)

Spec:
U = 240V
R = 26,7Ω
I = 9A
P = 2150W

Видео DIY Heat treating oven (build video) канала AVmake