CUSTOM MARLOX¢ç THERMOCOUPLES

HIGH TEMPERATURE METAL SHEATHED THERMOCOUPLES

Platinum-Rhodium vs Platinum
ºñÈ°¼º, »êÈ­ ºÐÀ§±â µî¿¡ °­ÇÑ ¼ºÁúÀ» ¶ì°í ÀÖ½¿.
°í¿Â¿¡ ÀûÇÕÇÏ°í ¿Âµµ Á¤¹Ðµµ°¡ ÁÁÀ½.
Type: R, S, B type
- Thermocouple Element

Tungsten vs Tungsten-Rhenium
Type C : °í¿Â¿ëÀ¸·Î Áø°ø, °í¼øµµ Hydrogen ¶Ç´Â ºñÈ°¼º ºÐÀ§±â¿¡¼­ »ç¿ë.
°¢ Á¾·ùº° ¿Âµµ ´ë¿ª ¹× ºÐÀ§±â Table


Thermocouple Type
Maximum Operating Temperature
Maximum Exposure Temperature Recommended Environment
Pt-10% Rh/Pt
ANSI Type S
2700¡ÆF
1482¡ÆC
3100¡ÆF
1704¡ÆC
Oxidizing,
Inert
Pt-13% Rh/Pt
ANSI Type R
2700¡ÆF
1482¡ÆC
3100¡ÆF
1704¡ÆC
Oxidizing,
Inert
Pt-30% Rh/Pt-6% Rh
ANSI Type B
3100¡ÆF
1704¡ÆC
3220¡ÆF
1770¡ÆC
Oxidizing,
Inert
W-5% Re/W-26% Re
Type (C)
5000¡ÆF
2760¡ÆC
5430¡ÆF
3000¡ÆC
Vacuum, High Purity
Hydrogen & Inert


Pt-Platinum, Rh-Rhodium, W-Tungsten, Re-Rhenium

SHEATH SIZE - WIRE GAUGE
Sheath Diameter
Inches
0.062 0.125 0.187 0.250
Wire Gauge
B & S
30 30 24 24


Sheath Alloys:

Platinum

»êÈ­°¡ µÇÁö ¾Ê´ÂÀçÁúÀÓ. »êÈ­, ºñÈ°¼º ºÐÀ§±â ¿¡¼­ »ç¿ëÇϱ⿡ ÀûÇÕ. - Max temperature : 1648¡ÆC
Platinum 10% Rhodium
Platinum °ú °£Àº ¼ºÁúÀÌ°í Platinum º¸´Ù ¿­°ú ºÎ½Ä¼º¿¡ °­ÇÔ.
»êÈ­, ºñÈ°¼º ºÐÀ§±â¿¡ »ç¿ëÀÌ ÀûÇÕ.
Max temperature: 1704¡ÆC

Tantalum
³»È­¼º ±Ý¼Ó¹°ÁúÀÓ. 280¡ÆC À̻󿡼­ »êÈ­µÇÁö¸¸ ³ì´ÂÁ¡ÀÌ ³ôÀ¸¹Ç·Î °í¿Â¿¡ ¾²ÀÓ.
ºñÈ°¼º, Áø°ø ºÐÀ§±â¿¡ ÀûÇÕ. ¿¬¼ºÀÌ ¶Ù¾î³².
Maximum termperature: 2482¡ÆC

Molybdenum
°í¿Â¿¡¼­ »êÈ­µÊ, ³ì´ÂÁ¡ÀÌ ³ôÀ½. ºñÈ°¼º, ȯ¿ø, Áø°ø ºÐÀ§±â¿¡ ÀûÇÕ.
Maximum temperature of 2204¡ÆC
Molybdenum 50% / Rhenium 50%
°­µµ°¡ ¼¼°í Áø°ø, ¼ö¼Ò, Áú¼Ò ºñÈ°¼º ºÐÀ§±â ¿¡ ÀûÇÕ.
Maximum temperature of 2204 ¡ÆC.

Sheath Material Approximate Melting Temperature Maximum Operating Temperature Recommended Environment
Platinum 3217¡ÆF
1770¡ÆC
3000¡ÆF
1650¡ÆC
Oxidizing,
Inert
Platinum
10% Rhodium
3362¡ÆF
1850¡ÆC
3100¡ÆF
1705¡ÆC
Oxidizing,
Inert
Tantalum 5425¡ÆF
2996¡ÆC
4500¡ÆF
2482¡ÆC
Vacuum
*Molybdenum 4730¡ÆF
2610¡ÆC
4000¡ÆF
2205¡ÆC
Vacuum,
Inert
*Moly 50%
Rhenium 50%
4424¡ÆF
2440¡ÆC
4000¡ÆF
2205¡ÆC
Vacuum, Hydrogen
Nitrogen, Inert
Cracked Ammonia

*Not suitable for swaging.





REFRACTORY OXIDE INSULATORS


Insulator ÀçÁú - 1980¡ÆC À̻󿡼­ Hafnia °¡ ÀûÇÕÇÔ.

Insulator Material Approximate Melt Temperature Maximum Recommended Temperature
Hard-Fired Swaged
Magnesia
MgO
5070¡ÆF
2800¡ÆC
N/A 3400¡ÆF
1870¡ÆC
Alumina
Al2O3
3650¡ÆF
2010¡ÆC
3200¡ÆF
1760¡ÆC
3000¡ÆF
1650¡ÆC
Hafnia
HfO2
5126¡ÆF
2830¡ÆC
4000¡ÆF
2200¡ÆC
N/A





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