Temperature transmitters for RTD and thermocouples

Temperature transmitters for RTD and thermocouples

iTEMP TMT127 / TMT187 / TMT128 / TMT188

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    • High accuracy (in total ambient temperature range)

    • Fault indication on sensor short or open circuit to NAMUR NE 43

    • Galvanic isolation

     

    Specs at a glance

    Approval

    ATEX II (1) G EEx ia

    FM IS, NI, Class I

    CSA IS, NI, Class I

    Accuracy <0.08 % (Pt100)
    Measuring range Fixed, selectable
    RTD sensors 2-, 3- or 4-wire

    iTEMP TMT187, Head Transmitter RTD

    Product / VersionPrice / pcs. in USDOrder code
    TypeApprovalConfiguration ConnectionTemperature Sensor1 to 34 to 1011+
    iTEMP TMT187, Head Transmitter RTDNon-hazardous areaRTD 2-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-A21xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-A25xxx
    RTD 3-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-A31xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-A35xxx
    RTD 4-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-A41xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-A45xxx
    CSA General PurposeRTD 2-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-J21xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-J25xxx
    RTD 3-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-J31xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-J35xxx
    RTD 4-wirePt100, -200...850oC, min. span 10K123.-114.-108.- TMT187-J41xxx
    Pt1000 (-200...250oC, min.span 10K)123.-114.-108.- TMT187-J45xxx
    Classified areasRTD 2-wirePt100, -200...850oC, min. span 10K140.-130.-123.- TMT187-x21xxx
    Pt1000 (-200...250oC, min.span 10K)140.-130.-123.- TMT187-x25xxx
    RTD 3-wirePt100, -200...850oC, min. span 10K140.-130.-123.- TMT187-x31xxx
    Pt1000 (-200...250oC, min.span 10K)140.-130.-123.- TMT187-x35xxx
    RTD 4-wirePt100, -200...850oC, min. span 10K140.-130.-123.- TMT187-x41xxx
    Pt1000 (-200...250oC, min.span 10K)140.-130.-123.- TMT187-x45xxx

    iTEMP TMT188, Head Transmitter TC

    Product / VersionPrice / pcs. in USDOrder code
    TypeApproval1 to 34 to 1011+
    iTEMP TMT188, Head Transmitter TCNon-hazardous area123.-114.-108.- TMT188-Axxxx
    CSA General Purpose123.-114.-108.- TMT188-Jxxxx
    ATEX II1G EEx ia IIC T4/T5/T6140.-130.-123.- TMT188-Bxxxx
    FM IS,NI,Class I,Div.1+2,Group ABCD140.-130.-123.- TMT188-Cxxxx
    CSA IS,NI,Class I,Div.1+2,Group ABCD140.-130.-123.- TMT188-Dxxxx

    iTEMP TMT127,Transmitter DIN rail RTD

    Product / VersionPrice / pcs. in USDOrder code
    TypeApprovalTerminal Type1 to 34 to 1011+
    iTEMP TMT127,Transmitter DIN rail RTDNon-hazardous areaRTD 2-wire142.-132.-125.- TMT127-A21xxA
    RTD 3-wire142.-132.-125.- TMT127-A31xxA
    RTD 4-wire142.-132.-125.- TMT127-A41xxA
    CSA General PurposeRTD 2-wire142.-132.-125.- TMT127-J21xxA
    RTD 3-wire142.-132.-125.- TMT127-J31xxA
    RTD 4-wire142.-132.-125.- TMT127-J41xxA
    Classified areasRTD 2-wire158.-147.-139.- TMT127-x21xxA
    RTD 3-wire158.-147.-139.- TMT127-x31xxA
    RTD 4-wire158.-147.-139.- TMT127-x41xxA

    iTEMP TMT128,Transmitter DIN rail TC

    Product / VersionPrice / pcs. in USDOrder code
    TypeApproval1 to 34 to 1011+
    iTEMP TMT128,Transmitter DIN rail TCNon-hazardous area142.-132.-125.- TMT128-AxxxA
    CSA General Purpose142.-132.-125.- TMT128-JxxxA
    ATEX II2(1)G Ex ia[ia Ga] IIC T6 Gb158.-147.-139.- TMT128-BxxxA
    FM IS,NI,Class I,Div.1+2,Group ABCD158.-147.-139.- TMT128-CxxxA
    CSA IS,NI,Class I,Div.1+2,Group ABCD158.-147.-139.- TMT128-DxxxA

    Prices valid until 30.11.2017 in USD per unit (not including shipping and applicable sales tax). See
    Endress+Hauser Terms and Conditions

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  • Application

    This range of temperature transmitters are available as either head transmitters (TMT187/188) or as rail mounted devices (TMT127/128). The TMT187/188 head transmitters can be installed in the form B sensor head and have a fixed measurement range as well as a 4 to 20 mA analog output.

     

    Input:

    TMT127/187 resistance thermometer (RTD) or

    TMT128/188 thermoelements (TC)

     

    Function

    The TMT127/187 RTD temperature transmitter is a two-wire transmitter with an analog output and a three- or four-wire resistance thermometer input.

     

    The TMT128/188 TC temperature transmitter is a two-wire transmitter with an analog output and thermocouple input.

  • Technical data TMT187 / TMT188

    Input
    TMT187 (RTD) Pt100
    TMT188 (TC) Type J, K, N, R, S, T
    Output
    Output signal 4 to 20 mA transmission is linear to temperature and resistance
    Maximum 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 circuit ≥ 21.0 mA
    Electrical connection
    Power supply

    Ub = 8 to 35 V, reverse polarity protected

    Ex Ub = 8 to 30 V

    Galvanic isolation U = 2 kV AC
    Allowable ripple Uss ≤ 5 V at Ub ≥ 13 V, fmax = 1 kHz
    Reference conditions Calibration temperature 23 °C ± 5 K (73.4 °F ± 9 °F)
    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 x (max. measuring range + 200) + 50 ppm/K × preset measuring range) × Δθ

    TC: Td = ± (50 ppm/K × max. measuring range + 50 ppm/K × preset measuring range) × Δθ

    Δθ = Deviation of ambient temperature from the referent working condition (+23 °C ±5 K (73.4 °F ± 9 °F))

    Pt100 0.2 K or 0.08 %
    Thermocouple type

    J and K: typ. 0.5 K

    N: typ. 1.0 K

    S and R: typ. 2.0 K

    Influence of the internal reference junction: Pt100 Class B

    Operating conditions
    Ambient temperature –40 to +85 °C (–40 to 185 °F)
    Storage temperature –40 to +100 °C (–40 to 212 °F)
    Climatic class According to EN 60 654-1, Class C
    Vibration protection 4 g/2 to 150 Hz acc. to IEC 60 068-2-6
    EMC Interference immunity and interference emission according to EN 61 326-1 (IEC 1326) and NAMUR NE 21
    Max. ambient temperature T4 = 85 °C, T5 = 70 °C, T6 = 55 °C (T4 = 185 °F, T5 = 158 °F, T6 = 131 °F)
    Approvals
    Ex approval ATEX II 1G  EEx ia/IIC EEx ia/IIB
    Inductivity and capacity

    Ci ≈ 0 F 

    Li ≈ 0 H

    C0 ≤ 709 µF

    L0 ≤ 4.5 mH

    C0 ≤ 1300 µF

    L0 ≤ 100 mH

    Max. current Ii = 100 mA I0 = 4.5 mA  
    Max. voltage Ui = 30 V U0 = 9.6 V  
    Max. power Pi = 0.75 W P0 = 11 mW  

    Technical data TMT127 / TMT128

    Input
    TMT127 (RTD) Pt100
    TMT128 (TC) Type J, K, N, R, S, T
    Output
    Output signal 4 to 20 mA transmission is linear to temperature and resistance
    Max. load (Vpower supply –12 V)/0.022 A
    Input current required ≤3.5 mA
    Current limit ≤23 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 circuit ≥21.0 mA
    Electrical connection
    Power supply

    Ub = 12 to 35 V, reverse polarity protected

    Ex Ub = 12 to 30 V

    Galvanic isolation U = 2 kV AC
    Allowable ripple Uss ≤ 3 V at Ub ≥ 15 V, fmax = 1 kHz
    Reference conditions Calibration temperature 25 °C ±5 K (77 °F ± 9 °F)
    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 × (max. measuring range + 200) + 50 ppm/K × preset measuring range) × Δθ

    TC: Td = ±(50 ppm/K × max. measuring range + 50 ppm/K × preset measuring range) × Δθ

    Δθ = Deviation of ambient temperature from the referent working condition (+23 °C ±5 K (73.4 °F ± 9 °F))

    Pt100 0.2 K or 0.08 %
    Thermocouple type

    J and K: typ. 0.5 K

    N: typ. 1.0 K,

    S and R: typ. 2.0 K

    Influence of the internal reference junction: Pt100 Class B

    Operating conditions
    Ambient temperature –40 to +85 °C (–40 to 185 °F)
    Storage temperature –40 to +100 °C (–40 to 212 °F)
    Climatic class according to EN 60 654-1, Class C
    Vibration protection 4 g/2 to 150 Hz acc. to IEC 60 068-2-6
    EMC Interference immunity and interference emission according to EN 61 326-1 (IEC 1326) and NAMUR NE 21
    Max. ambient temperature T4 = 85 °C, T5 = 70 °C, T6 = 55 °C (T4 = 185 °F, T5 = 158 °F, T6 = 131 °F)
    Approvals
    Ex approval ATEX II 1G EEx ia/IIC EEx ia/IIB
    Inductivity and capacity

    Ci ≈ 0 F

    Li ≈ 0 H

    C0 ≤ 24 µF

    L0 ≤ 100 mH

    C0 ≤ 12 µF

    L0 ≤ 8.5 mH

    Max. current Ii = 100 mA I0 = 9.6 mA  
    Max. voltage Ui = 30 V U0 = 4.4 V  
    Max. power Pi = 0.75 W P0 = 11 mW  

    Dimensions in mm (inches)

    TMT187 / TMT188

    Temperature transmitters - Dimensions 1

    Installation according to operation instructions

    TMT127 / TMT128

    Temperature transmitters - Dimensions 2

    Installation according to operation instructions

    Electrical connection

    TMT187 / TMT188 – Power supply and current output

    Temperature transmitters - Wiring 1

    TMT187 / TMT188 – Sensor connection

    a) SETUP socket

    b) TMT187 two-wire RTD

    c) TMT187 three-wire RTD

    d) TMT187 four-wire RTD

    e) TMT188 TC

    TMT127 / TMT128 – Power supply and current output

    Temperature transmitters - Wiring 2

    TMT127 / TMT128 – Sensor connection

    Temperature transmitters - Wiring 3

    a) TC

    b) RTD two-wire

    c) RTD three-wire

    d) RTD four-wire

    Measuring ranges

    TMT127/187 (RTD) Pt100

    Code

    Measuring range

    Code 

    Measuring range

    BA

    –50...+100 °C

    FE

    0...100 °C

    CA

    –40...+60 °C

    FG

    0...150 °C

    DA

    –30...+60 °C

    FH

    0...200 °C

    DB

    –30...+150 °C

    FI

    0...250 °C

    EA

    –20...+20 °C

    FJ

    0...300 °C

    EB

    –20...+60 °C

    FK

    0...400 °C

    FC

    0...+50 °C

    FL

    0...500 °C
       

    FN

    0...600 °C
    TMT128/188 (TC)
    Code Measuring range Code Measuring range Code Measuring range
    Type J 0...1200 °C Type K 0...200 °C Type N 0...1200 °C
    JAB 0...150 °C KAB 0...150 °C NAB 0...150 °C
    JAK 0...200 °C KAK 0...200 °C NAK 0...200 °C
    JAC 0...250 °C KAC 0...250 °C NAC 0...250 °C
    JAL 0...300 °C KAL 0...300 °C NAL 0...300 °C
    JAD 0...400 °C KAD 0...400 °C NAD 0...400 °C
    JAE 0...600 °C KAE 0...600 °C NAE 0...600 °C
    JAF 0...900 °C KAF 0...900 °C NAF 0...900 °C
    JAG 0...1000 °C KAG 0...1000 °C NAG 0...1000 °C
    JAH 0...1200 °C KAH 0...1200 °C NAH 0...1200 °C
    Type R 0...1600° C Type S 0...1600 °C Type T –50...+300 °C
    RAE 0...600 °C SAE 0...600 °C TJA –50...+200 °C
    RAF 0...900 °C SAF 0...900 °C TAA 0...100 °C
    RAG 0...1000 °C SAG 0...1000 °C TAB 0...150 °C
    RAH 0...1200 °C SAH 0...1200 °C TAK 0...200 °C
    RAI 0...1400 °C SAI 0...1400 °C TAC 0...250 °C
    RAJ 0...1600 °C SAJ 0...1600 °C TAL 0...300 °C
    More measuring ranges and sensor types on request!
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