(1) Nuclear 1E level armored thermocouple
Nuclear 1E level armored thermocouple composed by NiCr-NiAl wire, 316L stainless steel tube, high-purity fused MgO insulation, has advantages of resistance to irradiation, anti-vibration, anti-pressure, bending, fast thermal response, high precision, long-term stability, long service life, easy installation etc., primarily used to monitor the core temperature distribution of nuclear pile, adapting to one loop and two-loop reactor 0 ~ 800 ℃ temperature measurement, and other areas that require high reliability of temperature measurement.

● Structure
• Measuring terminal: measuring terminal is insulation type, being made into variable cross-section form according to user requirements.
• Reference side: reference side with anti-radiation, waterproof sealed connectors and anti-nuclear radiation nuclear level compensation cable.
• Fixture: in accordance with the specific requirements of thermocouple installation, use ferrule, welding or other means, be determined in consultation with users.

● Main technical parameters
a. Product, model, graduation mark, temperature range and precision

product, model, graduation mark, temperature range and precision

b. Thermocouple outer diameter, casing material, using temperature
 thermocouple outer diameter, casing material, using temperature

c. Thermal response time: nuclear 1E level armored thermocouple thermal response time (τ0.63) is slower than or equal to 1 second.
d. Long-term stability: thermocouple temperature field at 350 ℃ in 720 hours, the thermoelectric power change is not more than ± 0.2 ℃ (non-systematic errors).
e. Insulation resistance: insulation resistance at room temperature no less than 5 × 109Ω, insulation resistance not less than 5 × 106Ω (500VDC) at 370 ℃.

(2) T type 6-core ultra-high pressure thermocouple WRTK3-112
a. Use: primarily for temperature measurement of 8 million tonnes polyethylene device.
b. Specifications: OD Φ5mm
c. Graduation No.: T
d. Temperature :0-300 ℃; tolerance: ± 1 ℃, or 0.75% t.
e. Working pressure: 250Mpa.

a. Use: primarily for temperature measurement of 18 million tonnes polyethylene device.
b. Specifications: OD φ3.2mm, single or dual type.
c. Graduation No.: T
d. Temperature:250 ℃; tolerance: Ⅰ or Ⅱ.
e. Working pressure: 250Mpa.

(4)B type high pressure thermocouple for gasifier WRB-440
a. Use: temperature measurement in the residue cracking reaction atmosphere.
b. Temperature :1300-1450 ℃; tolerance: Ⅱ grade.
c. Graduation No.: B
d. Working Pressure: 7.65Mpa
e. Service life: not less than 3 months.
f. Standard: JB/YCn8-91.

(5)Thermocouple for 200,000 kilowatts generating set temperature measurement
The thermocouple used for 200,000 kilowatts generating set introduced in the Czech Republic
A. Armored thermocouple with heat transfer block (dual type) S0.01
a. Work environment: mainly used in the evaporator tube wall outlet.
b. Temperature :400-600 ℃
c. Graduation No.: K

B. Variable cross-section armored thermocouple (dual type with conic tube) S1.04
a. Working environment: steam turbine high pressure cylinder
b. Temperature :400-600 ℃; tolerance:  Ⅱ
c. Working pressure: 20Mpa.
d. Graduation No.: K, J

C. K type armored thermocouple φ3mm (single or dual) S1.06
a. Working environment: the radial bearing and thrust bearing face top before high, medium and low pressure cylinder.
b. Temperature:100 ℃; tolerance:Ⅱ
d. Graduation No.: K

D. J type armored thermocouple S2.06
a. Work environment: water after economizer, steam after separator.
b. Temperature:300-500 ℃; tolerance:  Ⅱ
c. Working Pressure: 23Mpa

E. Bar type thermocouple assembly S2.03
a. Working environment: before preheater
b. Temperature: 400 ℃
c. Working pressure: 5.2Kpa

(6) Variable cross-section armored thermocouple
This is special-shaped structure armored thermocouple, small diameter at hot side with fast response, large diameter of other parts with sufficient rigidity and strength.
a. Work environment: generating plant and some special installation site.
b. Temperature:300-800 ℃; tolerance:Ⅰ, Ⅱ
c. Graduation No.: K, E
d. Structure characteristics: armored thermocouple diameter φ1, φ2, φ3, φ4, φ5mm, measuring terminal diameter φ0.25, φ0.30, φ0.50, φ1.0, φ1.5, φ2.0, φ2 .5 mm, the length of transition section is longer than 30mm.

(7)Trapezoidal armored thermocouple WR □ KnT
a. Structural characteristics: the different length multi-branch thermocouples sheathed in a stainless steel tube processed into a solid whole, for measuring different temperature points in the thermocouple axial; temperature measurement points for 3-10, outer  diameter φ4-φ8mm, the structure shown in figure 1-11.
b. Working environment: high pressure, high speed fluid container or pipeline full with gas and liquid.
c. Graduation No.: K, E

(8)Multi-core armored thermocouple (thermopile) WR □ Kn
Structure characteristics: load two or more pairs of thermocouple wire into a metallic armor casing to made of thermopile, thermocouple wire S, K, N, E, T type, core number can be 2-10 pairs, to unite pairs of thermocouple the cold side leads in series, it becomes multi-core armored thermocouple with high sensitivity.

(9) Surface temperature thermocouple
Surface temperature thermocouple has a variety of structures, characterized by the thermocouple to maintain contact with the workpiece, fast response.
■ End surface thermocouple: mainly used to measure the bearing internal mixer or others surface temperature, temperature range of 0-250 ℃, graduation No.: K, E, J, T, many structural forms to choose, also designed according to user requirements, standard: Q/YCS106-1998.

■ Ribbon thermocouple: ribbon thermocouple wire is rolled into a thin strip processed bandwidth of 0.5-1.2mm, with a thickness of 0.05-0.5mm, used to measure the solid surface temperature, fixation can be used paste or spot welding, response time 0.01-0.05s, temperature range :0-400 ℃, graduation No.: K, E.

(10)Level measurement hot side heat thermocouple QHKK -
The working principle is based on differential thermal measurement, equidistant from multiple sensors in the protection tube assembly, using the temperature difference between liquid and gas measurement level. Level measurement can be used for nuclear reactors and the chemical condition.

(11)MSWRB type coal water slurry high pressure gasifier direct measurement component      Standard: Q/YCS108-98
• Characteristics: component is suitable for temperature range of 1400 ~ 1550 ℃, oxidation, reduction or oxidation-reduction atmosphere, chemical corrosive atmosphere, acid atmosphere, or acid solution.

• Protection tube structure characteristics: This product is used molybdenum disilicide - corundum double compound tube or three layer combined pipe, molybdenum disilicide tube for outer protection, inner protection tube as corundum.
• Classification: According to specifications, molybdenum silicide tube is divided into
φ25mm × φ (14-16) mm × 1000mm (outer diameter × inner diameter × length)
φ28mm × φ (16-18) mm × 800mm
φ33mm × φ (18-20) mm × 900mm
•Fixed device type: Flange seal connection by JB82-59 butt welding steel, specifications pg40, Dg50
• Junction box type: Flameproof junction box, model ExdIIBT4

 (12)Aluminum smelter temperature measurement thermocouple
In accordance with research and application in Guizhou aluminum plant, Baiyin aluminum plant, and Pingguo aluminum plant these years, main products of temperature measurement thermocouple are described as follows:
● Ring type anode baking furnace thermocouple: High temperature alloy material 3YC52 for protection tube, specifications optional; the protection of tube using plasma spraying wear and corrosion resistant coatings; dual-core using N sheathed structure，at 1200 ℃ below, service life up to 6 months.
●Cathode baking furnace thermocouple: Special ceramic protection tube, specifications optional; S precious metal thermocouple, at 1400 ℃ below, service life expectancy up to 12 months, offer precious metal recycling processing business.
● Alumina fluidized bed roasting thermocouple: High temperature alloy material 3YC52 for protection tube, specifications optional; protection tube using plasma spraying wear and corrosion resistant coatings; dual-core using N or S sheathed structure，at 1200 ℃ below, service life up to 3 months.
●Casting furnace and the protection of furnace thermocouple: heat-resistant, special ceramic or special casting alloy for protection tube; K type sheathed or assembly thermocouple structure, oblique-pulling or hoisting installation, service life up to 30 days.
●Electrolyzer intermittent temperature measurement thermocouples: K type sheathed thermocouple for continuous monitoring electrolytic cell state.
●Alumina production other process temperature control thermocouple (K type or E type): Thermocouple protection tube with different functional metals and composite structures, to meet the variety of use needs like anti-corrosion resistance, high temperature, and erosion-resistant.
The institute also provides the temperature measurement and control related to the secondary instruments, complete systems and technical services.