Hygienic, aseptic, modular resistance thermometer, Pt100 or 4 to 20 mA

Hygienic, aseptic RTD thermometer, Pt100 or 4 to 20 mA

iTHERM TM401

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    • Fast-response sensor technology
    • Good long-term stability
    • PC programmable transmitter

    Specs at a glance

    Measuring range –50 to +200 °C (–58 to +392 °F)
    Accuracy Pt100 as per IEC 60751
    Immersion length (mm)  55 to 400 mm, selectable
    Response time sensor ≥3.5 s (t50), ≥9 s (t90)
    Product / VersionPrice / pcs. in USDOrder code
    Process Connection TypeConnection headElectrical ConnectionImmersion Length U1 to 34 to 1011+
    DN8 - 18 (0.5" - 0.75") Tri-clamp, 3-A / DN25 - 38 (1 - 1.5") clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPETA30A, Alu, IP66/68, NEMA Type 4XTerminal block25 mm / 50 mm / 90 mm162.-151.-142.- TM401-AA1C1xxA13xxxA21AA1A2
    ... (55mm - 400mm)162.-151.-142.- TM401-AA1C1xxA13xxxA21AA1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm241.-224.-212.- TM401-AA1C1xxA13xxxA22BA1A2
    ... (55mm - 400mm)241.-224.-212.- TM401-AA1C1xxA13xxxA22BA1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm489.-454.-430.- TM401-AA1C1xxA13xxxA23AA1A2
    ... (55mm - 400mm)489.-454.-430.- TM401-AA1C1xxA13xxxA23AA1A2
    TA30R, 316L blasted, IP69K, NEMA Type 4Terminal block25 mm / 50 mm / 90 mm244.-227.-214.- TM401-AA1C1xxA13xxxA21AR1A2
    ... (55mm - 400mm)244.-227.-214.- TM401-AA1C1xxA13xxxA21AR1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm323.-300.-284.- TM401-AA1C1xxA13xxxA22BR1A2
    ... (55mm - 400mm)323.-300.-284.- TM401-AA1C1xxA13xxxA22BR1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm571.-531.-502.- TM401-AA1C1xxA13xxxA23AR1A2
    ... (55mm - 400mm)571.-531.-502.- TM401-AA1C1xxA13xxxA23AR1A2
    DN40 - 51 (2") clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPETA30A, Alu, IP66/68, NEMA Type 4XTerminal block25 mm / 50 mm / 90 mm187.-174.-164.- TM401-AA1C1D3A13xxxA21AA1A2
    ... (55mm - 400mm)187.-174.-164.- TM401-AA1C1D3A13xxxA21AA1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm266.-248.-234.- TM401-AA1C1D3A13xxxA22BA1A2
    ... (55mm - 400mm)266.-248.-234.- TM401-AA1C1D3A13xxxA22BA1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm514.-478.-452.- TM401-AA1C1D3A13xxxA23AA1A2
    ... (55mm - 400mm)514.-478.-452.- TM401-AA1C1D3A13xxxA23AA1A2
    TA30R, 316L blasted, IP69K, NEMA Type 4Terminal block25 mm / 50 mm / 90 mm269.-250.-237.- TM401-AA1C1D3A13xxxA21AR1A2
    ... (55mm - 400mm)269.-250.-237.- TM401-AA1C1D3A13xxxA21AR1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm348.-324.-306.- TM401-AA1C1D3A13xxxA22BR1A2
    ... (55mm - 400mm)348.-324.-306.- TM401-AA1C1D3A13xxxA22BR1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm596.-554.-524.- TM401-AA1C1D3A13xxxA23AR1A2
    ... (55mm - 400mm)596.-554.-524.- TM401-AA1C1D3A13xxxA23AR1A2
    Type F Varivent diam.50mm, 3-A, EHEDG, ASME BPE / Type N Varivent diam.68mm, 3-A, EHEDG, ASME BPETA30A, Alu, IP66/68, NEMA Type 4XTerminal block25 mm / 50 mm / 90 mm212.-197.-187.- TM401-AA1G1xxA13xxxA21AA1A2
    ... (55mm - 400mm)212.-197.-187.- TM401-AA1G1xxA13xxxA21AA1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm291.-271.-256.- TM401-AA1G1xxA13xxxA22BA1A2
    ... (55mm - 400mm)291.-271.-256.- TM401-AA1G1xxA13xxxA22BA1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm539.-501.-474.- TM401-AA1G1xxA13xxxA23AA1A2
    ... (55mm - 400mm)539.-501.-474.- TM401-AA1G1xxA13xxxA23AA1A2
    TA30R, 316L blasted, IP69K, NEMA Type 4Terminal block25 mm / 50 mm / 90 mm294.-273.-259.- TM401-AA1G1xxA13xxxA21AR1A2
    ... (55mm - 400mm)294.-273.-259.- TM401-AA1G1xxA13xxxA21AR1A2
    4-20mA; 1-channel TMT180 PCP 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm373.-347.-328.- TM401-AA1G1xxA13xxxA22BR1A2
    ... (55mm - 400mm)373.-347.-328.- TM401-AA1G1xxA13xxxA22BR1A2
    HART; 1-channel TMT182 SIL2 0.2K; head transmitter DIN B25 mm / 50 mm / 90 mm621.-577.-546.- TM401-AA1G1xxA13xxxA23AR1A2
    ... (55mm - 400mm)621.-577.-546.- TM401-AA1G1xxA13xxxA23AR1A2

    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

    The iTHERM TM401 in hygienic design measures the temperature in vessels and pipes, e.g. during cleaning and sterilization, in heating/cooling processes. It is specially designed for use in hygienic and aseptic applications in the Food & Beverages and Life Sciences industries.

    Function

    The compact thermometer consists of a sensor (Pt100 class A), a transmitter (optional) and a housing (iTHERM TA30R), with various process connections. A thin film temperature sensors measures the temperature. As an option the signal can directly be converted into a 4 to 20 mA signal using an built-in head transmitter.

    Application example

    Hygienic thermometer iTEMP TM401 - Installation examples

    Installation examples
    a), b) Perpendicular to the flow direction, installed at a minimum angle of 3° to ensure self-draining
    c) On elbows
    d) Inclined installation in pipes with a small nominal diameter
    U = Immersion length

  • Technical data

    Sensor
    Sensor type  1 × Pt100 thin-film
    Tolerance Class A as per IEC 60751
    Process temperature –50 to +200 °C
    Material 316L
    Surface roughness

    Ra ≤0.76 μm (0.03 μin);

    optional Ra ≤0.38 μm (0.015 μin)

    Diameter

    6 mm (¹⁄₄"), straight

    8 mm (0.31") reduced 5.3 × 20 mm (0.21 × 0.79")

    6 mm reduced 4.1 × 18 mm (0.16 × 0.71")

    Immersion length 55 to 400 mm (2.17 to 15.75") selectable
    Response time* t50 ≥ 3.5 s / t90 ≥ 9 s
    Max. pressure* Up to 40 bar (580 psi)
    Process connection
    Version

    Compression fitting TK40,

    Clamp,

    sanitary connection according to DIN 11851,

    M12×1 or G½" thread metal sealing system,

    thread according to ISO 228 for Liquiphant weld-in adapter,

    Varivent®,

    SMS1147

    Terminal head 
    Degree of protection IP 66/68 (depending on configuration)
    Electrical connection Cable gland, polyamide or M12 connector
    Material Stainless steel 316L, aluminum, polypropylene
    Operating conditions
    Ambient temperature Max. –50 to +150 °C (–58 to +302 °F) (Depends on terminal head used and cable gland or connector)
    Storage temperature  Max. –50 to +150 °C (–58 to +302 °F) (Depends on terminal head used and cable gland or connector)
    Climate class As per EN 60654-1, Class C
    Shock and vibration resistance 3g in the range 0 to 500 Hz as per IEC 60751
    EMC Interference immunity and interference emission according to IEC 61326-1
    Transmitter – Output
    Signal on alarm  Sensor breakage; sensor short circuit ≤3.6 mA or ≥21.0 mA
    Max. load Max. (Vsupply – 10 V) / 0.022 A (current output)
    Input current required ≤3.5 mA
    Current limit ≤23 mA
    Switch on delay 4 s (during power up Ia = 3.8 mA)
    HART® Available as option
    Transmitter – Power supply
    Supply voltage Ub = 10 to 35 V DC, polarity protected
    Residual ripple Permitted residual ripple Uss ≤3 V at Ub ≥13 V, fmax. = 1 kHz
    Transmitter – Accuracy
    Response time transmitter 1 s
    Reference operating conditions Calibration temperature: +25 °C ± 5 K
    Maximum measured error 0.2 K
    Influence of power supply ≤ ±0.01%/V deviation from 24 V
    Influence of ambient temperature (temperature drift)

    Resistance thermometer (Pt100):

    Td = ±(15 ppm/K × (measuring range end value – measuring range start value) + 50 ppm/K ×
    preset meas. range) × Δθ

    Δθ= Deviation of the ambient temperature according to the reference condition (+25 °C ±5 K)

    Long term stability ≤0.1K/year or ≤0.05%/year
    Approvals*
    3A, EHEDG, FDA, TSE Certificate of Suitability, ASME BPE
    Factory calibration
    Material certification
    3.1 „short form" certificate included in standard
    more certificates available on request

     

    * depending on configuration

    Dimensions in mm (inches)

    Housing, here with stainless steel head (TA30R)

    Hygienic thermometer iTEMP TM401 - Dimensions

    T = Length of extension neck (T=82 mm in the versions offered here)
    U = Immersion length (55 to 400 mm)

     

    Installation according to instruction manual

    Process connections

    Hygienic thermometer iTEMP TM401 - Process connections

    a) Clamp

    b) Tri-Clamp

    c) Varivent® Type F and N

    Type Version Dimensions in mm (inches)      
    ⌀ D
    Clamp DN25–38                    50.5 (1.99) 
    DN40–51 64 (2.52)
    Tri-clamp DN8–18 25 (0.98)
    Varivent® Type F (DN25) 50 (1.97)
    Type N (DN40-125) 68 (2.67)

    Electrical connection

    Terminal block

    Hygienic thermometer iTEMP TM401 - Wiring 1

    For direct cable connection

     

    a) red

    b) white

    Flying leads

    Hygienic thermometer iTEMP TM401 - Wiring 2

    For mounting of head transmitter

     

    a) red

    b) white

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