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    Thermocouple, K type, Assembly

    $113.85
    K type thermocouple assembles with protection head and stainless steel thermowell, with high pressure resistant, fast thermal response time and long operating life. Its thermo wire diameter is Ф2.5mm. K type thermocouple can directly measure the temperature of liquid, vapor, gas medium and solid surface in the range of 0~1000 ℃ in various production processes.
    SKU: ATO-TSTKA
    *
    Free shipping
    Delivery date: 6-12 days

    As a temperature sensor, thermocouple assembly is usually used with display instruments, recording instruments and signal conditioners.

    Specification:
    1. Thermocouple temperature range chart

    Category Type of sensing element Relationship between wire diameter and temperature
    Thermo wire diameter (mm) Long-term temperature (℃) Short-tem temperature (℃)
    Platinum Rhodium 30 - Platinum Rhodium 6 B type Φ0.5 1600 1800
    Platinum Rhodium 13 - Platinum R type Φ0.5 1300 1600
    Platinum Rhodium 10 - Platinum S type Φ0.5 1300 1600
    Nickel chromium silicon - Nickel silicon magnesium N type Φ0.3 700 800
    Φ0.5 800 900
    Φ0.8, Φ1.0 900 1000
    Φ1.2, Φ1.6 1000 1100
    Φ2.0, Φ2.5 1100 1200
    Φ3.2 1200 1300
    Nickel chromium - Nickel silicon K type Φ0.3 700 800
    Φ0.5 800 900
    Φ0.8, Φ1.0 900 1000
    Φ1.2, Φ1.6 1000 1100
    Φ2.0, Φ2.5 1100 1200
    Φ3.2 1200 1300
    Nickel chromium - Copper nickel E type Φ0.3 350 450
    Φ0.5 450 550
    Φ0.8, Φ1.0 550 650
    Φ1.2, Φ1.6 650 750
    Φ2.0, Φ2.5 750 900
    Iron - Constantan J type Φ0.3, Φ0.5 300 400
    Φ0.8, Φ1.0 400 500
    Φ1.2, Φ1.6 500 600
    Φ2.0, Φ2.5 600 750
    Copper - Copper nickel T type Φ0.2 150 200
    Φ0.3, Φ0.5 200 250
    Φ1.0 250 300
    Φ1.6 350 400

    2. Thermowell application temperature range chart

    Thermowell material Long-term temperature Short-term temperature
    Corundum CT1 1600 1800
    High alumina CT2 1300 1600
    Nickel base wrought superalloys 3YC52 1300 1350
    Nickel base wrought superalloys GH3039 1250 1320
    Nickel base superalloys GH3030 1200 1250
    Heat resistant stainless steel 2Cr25Ni20 1200 1250
    Silicon carbide 1100 1150
    Stainless steel 316L 900 950
    Stainless steel 1Cr18Ni9Ti 800 900

    3. Thermowell installing form
    Thermocouple thermowell installing form
    4. Selection chart

    Total length of thermowell (L or L*L1) Branch number Thermowell installing form Protection head form Diameter and material of thermowell
    300~2150mm (for I1, I2, I3, I4);
    500*500mm, 750*500mm, 750*750mm (for I5);
    225~450mm (for I6)
    B1: Single branch;
    B2: Double branch
    I0: No thermowell;
    I1: No fixed device;
    I2: Fixing thread;
    I3: Movable flange;
    I4: Fixed flange;
    I5: Rectangular movable flange;
    I6: Taper thermowell and fixing thread
    C1: No protection head;
    C2: All stainless steel protection head;
    C3: Waterproof protection head;
    C4: Explosion-proof protection head
    D0: Φ16mm;
    D1: Φ25mm, double-deck;
    D2: Φ16mm high quality aluminum;
    D3: Φ20mm high quality aluminum

    5. Thermocouple assembly installation diagram
    Thermocouple assembly installation diagram
    Tips: Thermowell of thermocouple
    To extend service life of thermocouple and protect it from chemical and mechanical damages, thermode (including insulating bush) is generally enclosed within thermowell so as to protect, fasten and support thermode. Materials which are used for thermowell should have favorable gas tightness to prevent external medium from permeating into the thermowell. With enough mechanical strength, it can resist bending and pressure; it has physical and chemical properties are stable, thus it will not corrode thermode. Moreover, in environment of high temperature, it has favorable property of high temperature resistance and anti-seismic property. And selection of thermowell generally depends on temperature measurement range, length of the heating zone, environmental atmosphere and lagging requirements of temperature measurement.

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