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

iTHERM TM401

from €89.-
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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)

    TM401, PT100

    Product / VersionPrice / pcs. in EUROrder code
    Process Connection SizePipe Diameter D1, TipTerminal Head,Material,Protection Class1 to 34 to 1011+
    Diam. 25mm, ferrule PEEK, TK40 fixed (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X133,-119,-109,- TM401-AA1A1A1B14xxxA30AA1A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 moveable (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X133,-119,-109,- TM401-AA1A3A4B14xxxA30AA1A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 fixed (spherical compression fitting)6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X116,-104,-95,- TM401-AA1A1A3B14xxxA30AA1A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 moveable (spherical compression fitting)6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X116,-104,-95,- TM401-AA1A3A6B14xxxA30AA1A1+C1JC
    Select options
    DN18 (0.75") Microclamp, 3-A / DN18 (0.75") Tri-Clamp, 3-A / DN12 - 21.3 Clamp > NA Connect ISO2852, 3-A / DN25 - 38 (1-1.5") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X108,-97,-89,- TM401-AA1C1xxA14xxxA30AA1A1+C1JC
    Select options
    M12x1.5 metal to metal sealing / G1/2 metal to metal sealing6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X108,-97,-89,- TM401-AA1E1xxA14xxxA30AA1A1+C1JC
    Select options
    DN40 - 51 (2") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X125,-113,-103,- TM401-AA1C1D3A14xxxA30AA1A1+C1JC
    Select options
    DN25 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X125,-113,-103,- TM401-AA1D1E1A14xxxA30AA1A1+C1JC
    Select options
    DN32 DIN11851, 3-A, EHEDG, ASME BPE / DN40 DIN11851, 3-A, EHEDG, ASME BPE / DN50 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X142,-128,-117,- TM401-AA1D1xxA14xxxA30AA1A1+C1JC
    Select options
    G3/4 ISO228 for FTL31/33/20 adapter,3-A, EHEDG, ASME BPE / G3/4 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE / G1 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X142,-128,-117,- TM401-AA1F1xxA14xxxA30AA1A1+C1JC
    Select options
    Type F Varivent diam.50mm, 3-A, EHEDG, ASME BPE / Type N Varivent diam.68mm, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X142,-128,-117,- TM401-AA1G1xxA14xxxA30AA1A1+C1JC
    Select options
    DN25 SMS 1147 / DN38 SMS 1147 / DN51 SMS 11476mm, straightTA30A, Alu, IP66/68, NEMA Type 4X142,-128,-117,- TM401-AA1H1xxA14xxxA30AA1A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 fixed (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4207,-187,-170,- TM401-AA1A1A1B14xxxA30AR3A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 moveable (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4207,-187,-170,- TM401-AA1A3A4B14xxxA30AR3A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 fixed (spherical compression fitting)6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4190,-171,-156,- TM401-AA1A1A3B14xxxA30AR3A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 moveable (spherical compression fitting)6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4190,-171,-156,- TM401-AA1A3A6B14xxxA30AR3A1+C1JC
    Select options
    DN18 (0.75") Microclamp, 3-A / DN18 (0.75") Tri-Clamp, 3-A / DN12 - 21.3 Clamp > NA Connect ISO2852, 3-A / DN25 - 38 (1-1.5") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4183,-165,-150,- TM401-AA1C1xxA14xxxA30AR3A1+C1JC
    Select options
    M12x1.5 metal to metal sealing / G1/2 metal to metal sealing6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4183,-165,-150,- TM401-AA1E1xxA14xxxA30AR3A1+C1JC
    Select options
    DN40 - 51 (2") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4200,-180,-164,- TM401-AA1C1D3A14xxxA30AR3A1+C1JC
    Select options
    DN25 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4200,-180,-164,- TM401-AA1D1E1A14xxxA30AR3A1+C1JC
    Select options
    DN32 DIN11851, 3-A, EHEDG, ASME BPE / DN40 DIN11851, 3-A, EHEDG, ASME BPE / DN50 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4217,-195,-178,- TM401-AA1D1xxA14xxxA30AR3A1+C1JC
    Select options
    G3/4 ISO228 for FTL31/33/20 adapter,3-A, EHEDG, ASME BPE / G3/4 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE / G1 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4217,-195,-178,- TM401-AA1F1xxA14xxxA30AR3A1+C1JC
    Select options
    Type F Varivent diam.50mm, 3-A, EHEDG, ASME BPE / Type N Varivent diam.68mm, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4217,-195,-178,- TM401-AA1G1xxA14xxxA30AR3A1+C1JC
    Select options
    DN25 SMS 1147 / DN38 SMS 1147 / DN51 SMS 11476mm, straightTA30R, 316L polished, IP69K, NEMA Type 4217,-195,-178,- TM401-AA1H1xxA14xxxA30AR3A1+C1JC
    Select options

    TM401, 4..20mA

    Product / VersionPrice / pcs. in EUROrder code
    Process Connection SizePipe Diameter D1, TipTerminal Head,Material,Protection Class1 to 34 to 1011+
    Diam. 25mm, ferrule PEEK, TK40 fixed (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X194,-175,-159,- TM401-AA1A1A1B14xxxA32BA1A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 moveable (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X194,-175,-159,- TM401-AA1A3A4B14xxxA32BA1A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 fixed (spherical compression fitting)6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X177,-159,-145,- TM401-AA1A1A3B14xxxA32BA1A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 moveable (spherical compression fitting)6mm, reduced 4.1x18mmTA30A, Alu, IP66/68, NEMA Type 4X177,-159,-145,- TM401-AA1A3A6B14xxxA32BA1A1+C1JC
    Select options
    DN18 (0.75") Microclamp, 3-A / DN18 (0.75") Tri-Clamp, 3-A / DN12 - 21.3 Clamp > NA Connect ISO2852, 3-A / DN25 - 38 (1-1.5") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X170,-153,-139,- TM401-AA1C1xxA14xxxA32BA1A1+C1JC
    Select options
    M12x1.5 metal to metal sealing / G1/2 metal to metal sealing6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X170,-153,-139,- TM401-AA1E1xxA14xxxA32BA1A1+C1JC
    Select options
    DN40 - 51 (2") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X187,-168,-153,- TM401-AA1C1D3A14xxxA32BA1A1+C1JC
    Select options
    DN25 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X187,-168,-153,- TM401-AA1D1E1A14xxxA32BA1A1+C1JC
    Select options
    DN32 DIN11851, 3-A, EHEDG, ASME BPE / DN40 DIN11851, 3-A, EHEDG, ASME BPE / DN50 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X204,-183,-167,- TM401-AA1D1xxA14xxxA32BA1A1+C1JC
    Select options
    G3/4 ISO228 for FTL31/33/20 adapter,3-A, EHEDG, ASME BPE / G3/4 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE / G1 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X204,-183,-167,- TM401-AA1F1xxA14xxxA32BA1A1+C1JC
    Select options
    Type F Varivent diam.50mm, 3-A, EHEDG, ASME BPE / Type N Varivent diam.68mm, 3-A, EHEDG, ASME BPE6mm, straightTA30A, Alu, IP66/68, NEMA Type 4X204,-183,-167,- TM401-AA1G1xxA14xxxA32BA1A1+C1JC
    Select options
    DN25 SMS 1147 / DN38 SMS 1147 / DN51 SMS 11476mm, straightTA30A, Alu, IP66/68, NEMA Type 4X204,-183,-167,- TM401-AA1H1xxA14xxxA32BA1A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 fixed (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4269,-242,-221,- TM401-AA1A1A1B14xxxA32BR3A1+C1JC
    Select options
    Diam. 25mm, ferrule PEEK, TK40 moveable (spherical compr. fitting), 3-A, EHEDG6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4269,-242,-221,- TM401-AA1A3A4B14xxxA32BR3A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 fixed (spherical compression fitting)6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4252,-227,-207,- TM401-AA1A1A3B14xxxA32BR3A1+C1JC
    Select options
    Diam. 25mm, ferrule 316L, TK40 moveable (spherical compression fitting)6mm, reduced 4.1x18mmTA30R, 316L polished, IP69K, NEMA Type 4252,-227,-207,- TM401-AA1A3A6B14xxxA32BR3A1+C1JC
    Select options
    DN18 (0.75") Microclamp, 3-A / DN18 (0.75") Tri-Clamp, 3-A / DN12 - 21.3 Clamp > NA Connect ISO2852, 3-A / DN25 - 38 (1-1.5") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4244,-220,-200,- TM401-AA1C1xxA14xxxA32BR3A1+C1JC
    Select options
    M12x1.5 metal to metal sealing / G1/2 metal to metal sealing6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4244,-220,-200,- TM401-AA1E1xxA14xxxA32BR3A1+C1JC
    Select options
    DN40 - 51 (2") Clamp > NA Connect ISO2852, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4261,-235,-214,- TM401-AA1C1D3A14xxxA32BR3A1+C1JC
    Select options
    DN25 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4261,-235,-214,- TM401-AA1D1E1A14xxxA32BR3A1+C1JC
    Select options
    DN32 DIN11851, 3-A, EHEDG, ASME BPE / DN40 DIN11851, 3-A, EHEDG, ASME BPE / DN50 DIN11851, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4278,-251,-228,- TM401-AA1D1xxA14xxxA32BR3A1+C1JC
    Select options
    G3/4 ISO228 for FTL31/33/20 adapter,3-A, EHEDG, ASME BPE / G3/4 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE / G1 ISO228 for FTL50 adapter, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4278,-251,-228,- TM401-AA1F1xxA14xxxA32BR3A1+C1JC
    Select options
    Type F Varivent diam.50mm, 3-A, EHEDG, ASME BPE / Type N Varivent diam.68mm, 3-A, EHEDG, ASME BPE6mm, straightTA30R, 316L polished, IP69K, NEMA Type 4278,-251,-228,- TM401-AA1G1xxA14xxxA32BR3A1+C1JC
    Select options
    DN25 SMS 1147 / DN38 SMS 1147 / DN51 SMS 11476mm, straightTA30R, 316L polished, IP69K, NEMA Type 4278,-251,-228,- TM401-AA1H1xxA14xxxA32BR3A1+C1JC
    Select options

    Prices valid until 31.12.2019 in EUR 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;

    optional Ra ≤ 0.38 µm
    Diameter

    6 mm, straight;

    8 mm reduced 5.3 × 20 mm;

    6 mm reduced 4.1 × 18 mm
    Immersion length 55 to 400 mm selectable
    Response time* t50 ≥ 3.5 s / t90 ≥ 9 s
    Max. pressure* Up to 40 bar
    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 (Depends on terminal head used and cable gland or connector)
    Storage temperature  Max. –50 to +150 °C (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)

    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...400 mm)

     

    Installation according to instruction manual.

    Process connections

    Hygienic thermometer iTEMP TM401 - Process connections

    a) Compression fitting TK40

    b) Clamp

    c) MicroClamp TriClamp

    d) DIN11851

    e) M12 × 1,5

    f) G½"

    g) Metal sealing systems

    h) ISO228 G¾" / G1" (for FTL weld-in adapter)

    i) Varivent® Type F and N

    j) SMS 1147, DN25, DN38, DN51

    Type Version Dimensions in mm (inches)      
    ⌀ D (⌀) A B C H L1 SW/AF
    Clamp DN12-21,3 34 (1.34)            
    DN25-38 50.5 (1.99)            
    DN40-51 64 (2.52)            
    Microclamp DN8-18 25 (0.98)            
    TriClamp DN8-18 25 (0.98)            
    DIN11851 DN25   30 (1.18) 44 (1.73) 10 (0.39)      
    DN32   36 (1.42) 50 (1.97) 10 (0.39)      
    DN40   42 (1.65) 56 (2.2) 10 (0.39)      
    DN50   54 (2.13) 68 (2.68) 11 (0.43)      
    ISO228
    (for FTL adapter)    		 G¾" (FTL20/50)   16 (0.63)       25,5 (1) 32
    G1" (FTL20)   18,6 (0.73)       29,5 (1.16) 41
    Varivent® Type F (DN25) 50 (1.97)            
    Type N (DN40-125) 68 (2.67)            
    SMS 1147 DN25 32 (1.26) 35,5 (1.4)     7 (0.28)    
    DN38 48 (1.89) 55 (2.17)     8 (0.31)    
    DN51 60 (2.36) 65 (2.56)     9 (0.35)    

    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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