Sensor catalog - Watlow - #151

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O
A T
W
W
cessorii
Protection Tubes and Assemblies
Silicon Carbide and
Cast Iron Protecting Tubes
Order - Part No.
Code - Length Example: 1080-18
KJJ
Silicon Carbide Protecting or Target Tube
Silicon Carbide Protecting Tubes—Oxide Bonded
I.D. X O.D. in.
Weight per in.
Plain end
Collar, 3 inch dia.*
0.15 lbs 0.17 lbs
1080 1081
1 x 1 V, 1 x 1 V,
12 , 18, 24, 30, 36
*Back edge of flange rounded.
Special Application Protecting Tubes
Order - Part No.
Code - Length Example: 1161-36
Metal-Ceramic Protecting Tube
Thermocouples can be installed directly, eliminating the expense of multi-tube assemblies. Metal-ceramics resist surface deformation below the maximum recommended operating temperature of 1355°C (2500°F). They are useful in calcining kilns, for preheat temperature control of open hearth furnaces, for continuous immersion in molten brass, bronze, copper, zinc and lead and in sulphurous gases.
In use, excess thermal or mechanical shock should be avoided. Though superior to ceramics, metal-ceramic tubes are not as shock resistant as metal alloys, and may require preheating for certain applications.
Note: Not recommended in molten aluminum.
in.
O.D.7/8in. (22.2 mm)
I.D. 5/8 in. (15.9 mm)
L
5/8in. (15.9 mm)
Watlow's SERV-RITE® metal-ceramic protecting tube is composed of metallic chromium and aluminum oxide. The metal imparts shock resistance and high thermal conductivity for fast, precise readings; the stable ceramic resists deformation, corrosive attack, abrasion and oxidizing atmospheres over 1205°C (2200°F).
Construction
Std. % inch conduit connector
1161
12, 18, 24, 30, 36
Note: All accessories subject to minimum purchase quantities.
151

pageCatalog pdf di En 2012-02-06-12