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    Thermocouple, R type, Assembly

    Thermocouple, R type, Assembly

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    $1,031.92
    R type thermocouple assembles with protection head and corundum thermowell, should use wooden case for packing. Its thermo wire diameter is Ф0.5mm. R type thermocouple can directly measure the temperature in the range of 0~1600 ℃ in various production processes.
    *
    SKU: ATO-TC-RA
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    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 (unit: mm)
    R type thermocouple 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: Thermocouple assembly installation

    1. On the conduit, the temperature-sensing element should form countercurrent with the measured medium, at least 90 degree angle to the medium measured.
    2. No matter measuring the temperature of any medium, the temperature-sensing element should be placed in the point that needs to be measured. If it is in conduit, the temperature-sensing element should be placed at the point of highest flow velocity. That is, the welding points of thermocouple temperature-sensing element should be placed at the maximum flow velocity.
    3. There should be enough insertion length. The experiment shows that the measurement error of thermocouple is reduced with the increase of the insertion length. If condition permits, the insertion length should be increased as far as possible to ensure the accuracy of the measurement.
    4. The protection head should be placed upwards and the outlet bolts of the protection head should be placed downwards during installation, in order to prevent liquid immersed in thermocouple protection head. Don't let the protection head of thermocouples place in a position of high temperature and harmful atmosphere. If it is unavoidable, rectangular structure thermocouple can be used.

    Fixed Installation Dimension Drawing

    Design serial number 1
    Structure diagram Thermocouple RDT sensor dimension
    Name Fixed thread
    Size M27*2 (default), G3/4", M33*2, G1", other
    Protection tube Diameter φ12mm, φ16mm, other
    Texture of material 1Cr18Ni9Ti, 2Cr25Ni20, other
    Withstand voltage ≤10MPa
    Design serial number 2
    Structure diagram Thermocouple RDT sensor dimension
    Name Movable flange
    Protection tube Diameter φ12mm, φ16mm, other
    Texture of material 1Cr18Ni9Ti, 2Cr25Ni20, other
    Withstand voltage Atmospheric pressure
    Design serial number 3
    Structure diagram Thermocouple RDT sensor dimension
    Name Fixed flange
    Size DN15mm (default) D0 95mm DN20mm 105mm
    D1 65mm 75mm
    D2 45mm 55mm
    φn 4-φ14mm 4-φ14mm
    DN25mm D0 115mm DN32mm 140mm
    D1 85mm 100mm
    D2 65mm 78mm
    φn 4-φ14mm 4-φ18mm
    DN40mm D0 150mm DN50mm 165mm
    D1 110mm 125mm
    D2 85mm 100mm
    φn 4-φ18mm 4-φ18mm
    H 12mm
    Protection tube Diameter φ12mm, φ16mm, other
    Texture of material 1Cr18Ni9Ti, 2Cr25Ni20, other
    Withstand voltage ≤6.4MPa
    Design serial number 4
    Structure diagram Thermocouple RDT sensor dimension
    Name Conical fixed thread
    Size M27*2 (default), M33*2, G1", other
    Protection tube Diameter φ12mm, φ16mm, other
    Texture of material 1Cr18Ni9Ti, 2Cr25Ni20, other
    Withstand voltage ≥30MPa
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