Looking for high temperature sensor S B R type 1800c thermocouple for muffle furnace

Buy offer Details

1. S type Thermocouple : 01 pcs
Temp. Range : 1500°C Max.
Corrundum Diameter : 14 mm Max.
Length : At least 10 inch Immersion length (Corrundum Length)
2. B type Thermocouple : 01 pcs
Temp. Range : 1800°C Max.
Corrundum Diameter : 6.5 mm Max.
Length : At least 11 inch Immersion length (Corrundum Length)