等級
|
規(guī)格(¢m)
|
使用溫度范圍
|
允差
|
特
|
0.1
|
1400-1800℃
|
≤±0.128%
|
Ⅰ
|
0.1,0.25,0.5
|
1200-1800℃
|
≤±0.25%
|
Ⅱ
|
0.1,0.25,0.5
|
1200-1800℃
|
≤±0.50%
|
Ⅲ
|
0.25,0.5
|
0- 400℃
400-2300℃
|
≤±4℃
≤±1%
|