The apparatus is used to measure temperature in the state of metal materials, ceramics, masks, fire-proof material and other non-metallic materials in the process of being heated roast expansion and contraction performance, also apply to the ceramic tiles GB/T3810.8-2006 linear thermal expansion tests. 

 Main technical parameters : 

1, the maximum furnace temperature : 1,000 ℃, 1400 ℃, 1600 ℃

2, measured deformation scope : +2.5mm. 

3, sensitivity : 0.1um 

4, electrical precision : +5 ℃

5, the computer automatically calculate expansivity, the line swelling volume.  

6, automatic and automatic calculation of the compensation factor compensation may artificial amendment. 

7, specimen size : charged 6~10* 50mm, 10 *10 *50mm