Programmable temperature transmitter

PC programmable temperature transmitter

iTEMP TMT80

from € 38.-
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    • Universally programmable via ReadWin® 2000

    • NAMUR NE 43

    • Galvanic isolation

     

    Specs at a glance

    Input Pt100, Pt1000; TC type B, K, N, R, S
    Accuracy deviation 0.5 K (Pt100)
    Measuring range freely programmable, dependent of sensor
    Installation suitable for sensor head (form B)
    Product / VersionPrice / pcs. in EUROrder code
    Approval1 to 34 to 1011+
    Non-hazardous area46,-41,-38,- TMT80-AA
    Add to cart

    Accessory

    Product / VersionPrice / pcs. in EUROrder code
    Configuration kit TXU10- for PC-programmable devices. set-up programme+interface cable for PC with USB-Port. 4 pin plug + ReadWin200099,23 TXU10-AA
    Add to cart

    Prices valid until 31.12.2018 in EUR per unit (not including shipping and applicable sales tax). See
    Endress+Hauser Terms and Conditions

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  • Application

    The iTEMP TMT80 head transmitter can be installed in the form B sensor head. It has a 4 to 20 mA analog output.

    The measuring range can be set up freely via ReadWin® 2000 configuration software. TMT80 can be used for resistance thermometers (RTD) as well as for most commonly used thermocouples.

    Function

    The iTEMP TMT80 head transmitter converts the input signal into a linear 4 to 20 mA signal. It has measurement input for resistance thermometers (RTD) in 2-, 3- or 4-wire connection and thermocouples.

  • Technical data

    Input
    Input signal Resistance thermometer: Pt100, Pt1000 to IEC 60751 Thermocouples: type B, K, N, R, S
    Measurement range Dependent of applied sensor element
    Output
    Output signal 4 to 20 mA
    Failure signal To NAMUR NE 43
    Max. load (Vpower supply -8 V)/0.025 A
    Input current required ≤3.5 mA
    Current limit ≤25 mA
    Switch on delay 4 s (during power up Ia ≈ 3.8 mA)
    Response time 1 s
    Signal on alarm
    Underranging Linear drop to 3.8 mA
    Overranging Linear rise to 20.5 mA
    Sensor breakage; sensor short circuit1) <3.6 mA or >21 mA can be set up
    Electrical connection
    Power supply Ub = 8 to 35 V DC
    Galvanic isolation Û = 0.5 kV
    Allowable ripple Uss ≤ 3 V at Ub ≥ 15 V, fmax = 1 kHz
    Reference conditions Calibration temperature 25 °C ±5 K
    Accuracy
    Influence of power supply ≤ ±0.01 %/V deviation from 24 V
    Load influence ≤ ±0.02 %/100 Ω
    Temperature drift

    Pt100: Td = ±[(15 ppm/K × (measuring range end value – measuring range start value)) + (50 ppm/K × preset measurement range)] × Δθ

    TC: Td = ±[(50 ppm/K × (Measurement range end value – measurement range start value)) + (50 ppm/K × preset measurement range)] × Δθ

    Δθ = Deviation of ambient temperature according to the reference condition +25 °C ± 5 K (77 °F ± 9 °F)
    Measurement accuracy 0.5 K (Pt100)
    Application conditions
    Ambient temperature –40 to +85 °C
    Storage temperature –40 to +100 °C
    Climatic class to EN 60654-1, Class C
    Vibration resistance 4 g / 2 to 150 Hz to IEC 60 068-2-6
    EMC Interference immunity and interference emission according to IEC 61326 and NAMUR NE 21
    Housing To DIN 50446 form B

     

    1) Not for thermocouple

    Dimensions (in mm)

    PC programmable temperature transmitter iTEMP TMT80 - Dimensions

    Installation according to operation instructions

    Electrical connection

    Power supply and current output

    PC programmable temperature transmitter iTEMP TMT80 - Electrical connection 1

    Sensor connection

    PC programmable temperature transmitter iTEMP TMT80 - Electrical connections 2

    a) two-wire RTD

    b) three-wire RTD

    c) four-wire RTD

    d) TC

    e) red

    f) white

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