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Sheathed thermocouple
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Type, temperature measuring range and tolerance of sheathed thermocouple
Category Code Graduation Mark Exlermal diameter of tube(mm) Measuring Range(℃) Maximum application temperature(℃) ∆tTolerance 1 2 Nickal-chromium--cupronickel WREK E ≥Φ3 -40-700 700 ±1.5℃ or ±0.4%t ±2.5℃ or ±0.75%t Nickel-chromlium--nisiloy WRNK K -40-900 950 Ferrum-cupronickel WRJK J -40-500 600 Guprum-cupronickel WRCK T -40-350 400 Rhodium Platinum-Platinum WRPK S Φ5-Φ8 0-1100 1300 ±1.5℃ i：2.5%l Non-fixed device sheated thermocouple
Connection box type Model Simple type WR□K-101
WR□K2-101Water-proof type WR□K-131
WR□K2-131Quick coupling type WR□K-151
WR□K2-151Aviation socket type WR□K-161
WR□K2-161Handle type WR□K-187
WR□K2-187Extension wire type WR□K-191
WR□K2-191Note:(1)WRNK-101 can be used to replace the inner core of the assembly thermocouple. (2)Extension wire type usually is attached with 500mm lead wire, if need to add, please indicate the length. (3) The measuring terminal is supplied with insulation type. if it needs to be connected with the shel, change the model mantissa "1” to “2”, and "7” to " 8 ". for example 131 is changed to 132;187 is changed to 188. (4)Refer to Pages 26-28, Table, 6, and Fig 35 for the graduation mark, and measurement range. Response time, diameter, and available length of the sheathed thermocouple.
Ferrule bolt type sheathed thermocouple
Connection box type Model Water-proof type WR□K-231
WR□K2-231
WR□K-331
WR□K2-331Quick coupling type WR□K-251
WR□K2-251
WR□K-351
WR□K2-351Aviation socket type WR□K-261
WR□K2-261
WR□K-361
WR□K2-361Extension wire type WR□K-291
WR□K2-291
WR□K-391
WR□K2-391Extension wire type(stainless steel flexible tube) WR□K-291G
WR□K2-291G
WR□K-391G
WR□K2-391GNote:(1 ) 500mm lead wire is usually attached to the extension wire type, if need to add, please indicate the length.
(2)The measuring terminal is supplied with insulation type. fit needs to connect with the shell; change the model mantissa "1” to "2" for example 231 is changed to 232;291 is changed to 292.
(3)The diameter of the sheathed thermocouple is not less than 5. The general supply for screw bolts of ferrule bolts is M16×1.5 and≤Φ4 is M12×1.5.
(4)The fixed ferrule fange's nominal pressure is 2.5MPa.The movable ferrule flange's nominal pressure is normal pressure.
(5)Refer to Pages 26 - 28, table, 6, and Fig 35 for the graduation mark, and measurement range. response time, diameter, and available length of the sheathed thermocouple
Ferrule flange type sheathed thermocouple
Connection box type Model Water-proof type WR□K-431
WR□K2-431
WR□K-531
WR□K2-531Quick coupling type WR□K-451
WR□K2-451
WR□K-551
WR□K2-551Aviation socket type WR□K-461
WR□K2-461
WR□K-561
WR□K2-561Extension wire type WR□K-491
WR□K2-491
WR□K-591
WR□K2-591Extension wire type(stainless steel flexible tube) WR□K-4911G
WR□K2-4911G
WR□K-5911G
WR□K2-5911GNote: (1)500mm lead wire is usually attached to the extension wire type "S", if need to add, please indicate the length separately.
(2) The measuring terminal is supplied with insulation type. If it needs to connect with the shel change the model mantissa"1" to "2", for example.431 is changed to 432.
(3) The diameter of the sheathed thermocouple is not less than Φ5. The general supply for ferrule flange is Φ60 and≤ 04 is Φ50.
(4)The fixed ferrule flang's nominal pressure is 2.5MPa.The movable ferrule flange nominal pressure is normal pressure.
(5)Refer to Pages 26 - 28, table 6, and Fig 35 for the graduation mark, measurement range. Response time, diameter, and available length of the sheathed thermocouple.
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Related Products
Jiangsu Zhaolong Electrics Co., Ltd. is a regional high-tech enterprise and a production base of temperature sensors and temperature control instruments. We have jointly developed and produced a series of thermocouples (thermal resistances) and temperature control electronics with numerous R&D institutions and academies in Shanghai. These products are salable throughout the country and the world, offering an advantage in cost performance. Our products have a renowned reputation in the market and win customers' trust due to their excellent performance, attractive appearance, high reliability, advanced technology, and good cost performance.
With strong technical development team and patent results, we can undertake business for normal and special specifications, and can design & install various large-scale and small-scale automatic temperature control boxes and temperature control rooms and remote monitoring temperature control systems for customers.
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