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    Digital Thermocouple with transmitter, K type

    $143.08
    K type thermocouple with digital meter can directly display high-precision real-time temperature. It converts temperature to 4-20mA standard signal and outputs to display instrument or DCS system in control room. Built-in small transmitter adopts silicone rubber seal structure, good anti-interference ability, shock and humidity, apply to harsh environments. Measuring temperature range 0~1000 ℃.
    SKU: ATO-TSTKD
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    Free shipping
    Delivery date: 6-12 days

    K type thermocouple built-in transmitter can directly provide accurate input signal of temperature changes for display instruments, recording instruments, signal conditioners, scanister and computer.

    Specification:

    1. Thermocouple temperature range chart

    Type of sensing element Temperature range
    E type 0~400℃
    0~600℃
    K type 0~400℃
    0~600℃
    0~800℃
    0~1000℃
    S type 600~1600℃
    B type 800~1800℃
    N type 0~400℃
    0~600℃
    0~800℃
    0~1100℃
    0~1200℃

    2. Transmitter parameter chart

    Input Thermocouple: K, E, B, S, T, N
    Output 4-20mA
    Intrinsic error ±0.5%
    Transmission mode Two wire
    Supply voltage DC 12~35V, rated voltage DC 24V
    Load resistance 0~600Ω (DC 24V), rated load 250Ω
    Temperature influence ≤0.05/1℃
    Working environment Temperature: -25~+80℃,humidity: 5%~95%, mechanical vibration: f≤55Hz, amplitude<0.15mm

    3. Meter and protection head type
    RTD sensor meter and protection head type

    4. Selection chart

    Type of sensing element Meter type Installing form Mode of connection Thermowell diameter Thermowell total length
    S1: E type;
    S2: K type;
    S3: S type;
    S4: B type;
    S5: T type;
    S6: J type;
    S8: N type;
    P0: No meter;
    P2: Meter with digital display;
    P4: Intelligent meter with digital display
    I1: No fixed device;
    I2: Fixed card sets of thread joint;
    I3: Movable card sets of thread joint;
    I4: Fixed card sets of flange;
    I5: Rectangular movable flange;
    I6: Taper thermowell and fixing thread
    C3: Standard waterproof protection head;
    C4: Explosion-proof protection head
    D0: Φ16mm 300~2150mm

    Note: The sensing element is sheath thermocouple, thermowell material is stainless steel, and circuit adopts non-isolated type. When ordering products, write the thermowell insertion depth l and the corresponding temperature range for output 4~20mA signal you need.
    Tips: Differences between RTD sensor and thermocouple

    1. The nature of signal. RTD sensor itself has resistance. The change of temperature makes the resistance produce positive or negative resistance changes, and output resistance signal. The thermocouple generates induced voltage that changes with the temperature changes.
    2. The temperature range detected by these two kinds of sensors is different. RTD sensor is used to low temperature detection while thermocouple is used to high temperature detection.
    3. In the aspect of material, the thermistor is a single metal material with temperature sensitive changes character.
    4. The thermocouple is thermometal, which is combined with two different metals. Due to the change of temperature, electric potential differences are produced on both ends of two different metal wire.The thermocouple has positive and negative poles and so does the extension wire. RTD sensor doesn't need extension wire, and it is cheaper than thermocouple. But RTD sensor requires power supply excitation, which can't instantaneously measure the change of temperature.
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