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d1 1)
|
s min |
For straight thermocouples model AK, AKK, BK und BKK
|
Protection tube material |
Temperature shock resistance |
Tightness 3) |
Permitted permanent temperature in °C 2) |
|||||
355
|
500
|
710
|
1000
|
1400
|
2000
|
||||||
Protection tube length l 3
|
|||||||||||
Permitted deviation +3 / -0
|
Perm. Deviation +5 / -0
|
||||||||||
10
|
1,5
|
375
|
520
|
730
|
1020
|
-
|
-
|
C 610
(K610) |
Medium
to good |
Gas-tight |
1500 |
15/16
|
2
|
-
|
530
|
740
|
1030
|
1430
|
-
|
||||
24
|
2,5
|
-
|
530
|
740
|
1030
|
1430
|
2030
|
||||
10
|
2
|
375
|
530
|
740
|
1030
|
-
|
-
|
C 799
(K710) |
Medium
to good |
Gas-tight |
1600 |
15/16
|
2,5
|
-
|
530
|
740
|
1030
|
1430
|
-
|
||||
24
|
3
|
-
|
530
|
740
|
1030
|
1430
|
2030
|
||||
26
|
4
|
-
|
-
|
740
|
1030
|
1430
|
2030
|
C 530
|
Very good
|
Porous
|
1500
|
20 5)
|
5
|
-
|
530
|
740
|
1030
|
1430
|
-
|
SiSiC 4) |
Very good |
Gas-tight |
1350 |
22 6)
|
5
|
-
|
530
|
740
|
1030
|
1430
|
2030
|
||||
25 6)
|
5
|
-
|
530
|
740
|
1030
|
1430
|
230
|
||||
20 6)
|
3,5
|
-
|
530
|
740
|
1030
|
1430
|
-
|
RSiC 4) |
good |
Gas-tight |
1600 |
22 6)
|
3,5
|
-
|
530
|
740
|
1030
|
1430
|
2030
|
||||
25 7)
|
3,5
|
-
|
530
|
740
|
1030
|
|
2030
|
Identification letter for ceramic protection tubes
|
|
Ident.
Letter |
Material acc. to
DIN EN 60 672 Old norm VDE 0335 Part 1 |
CX
|
C 530 / K 530
|
CY
|
C 610 / K 610
|
CZ
|
C 710 / K 710
|
RSiC
|
Silicon carbide, recrysallized ²
|
SiSiC
|
Silicon carbide, recrysallized ²
|