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Bundle picture of SWA50 and iTHERM TrustSens TM37x

iTHERM TrustSens Bluetooth and WirelessHART integration

Comfortable temperature measurement solution – 100% compliance, 0% effort

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Sanitary RTD - iTHERM TrustSens TM371

Our award-winning iTHERM TrustSens TM371 sanitary RTD features the world's first self-calibrating Pt100 sensor unit! The hygienic temperature transmitter with Heartbeat Technology effectively eliminates the risk of undetected non-conformities, reduces production downtime while increasing product safety and process efficiency in food, beverage and life sciences applications. The instrument complies with FDA and GMP regulations and integrates with the Netilion cloud-based Industry 4.0 ecosystem.

Filter specifications
Measuring / Application task
  • Measuring principle

    Resistance Temperature Detector

  • Characteristic / Application

    metric style
    compact temperature probe
    hygienic design
    life sciences, food & beverage

  • Thermowell / protection tube

    incl. thermowell
    incl. elbow thermowell

  • Insert / probe

    without exchangeable insert

  • Outer diameter protection tube / Insert

    6.0 mm (0.24'')
    9.0 mm (0.35'')
    12.7 mm (0.5")

  • Max. immersion length on request

    up to 900.00 mm (35.4'')

  • Material protection tube/ thermowell

    1.4435 Delta Ferrite < 1%

  • Process connection

    compression fitting
    weld in adapter
    clamp connections acc. to ISO 2852
    screwed pipe joint acc. to DIN 11851
    aseptic screwed pipe joint acc. to DIN 11864-1
    metallic sealing system
    thread acc. to ISO 228 for Liquiphant adaptor
    APV Inline
    SMS 1147
    Neumo Biocontrol
    TT411 elbow pieces DIN 11865

  • Tip shape


  • Surface roughness Ra

    0.76 μm (29.92 μin)
    0.38 μm (14.96 μin)
    0.38 μm (14.96 μin) electropolished

  • Operating temperature range

    Pt 100:
    -40 °C to 160 °C (-40 °F to 320 °F),
    optional up to 190 °C (374 °F)

  • Max. process pressure (static)

    at 20 °C: 40 bar (580 psi)

  • Response time

    t50 = 2.5 s
    t90 = 5.4 s

  • Integration head transmitter

    no (4 to 20 mA signal, HART)

FieldPort SWA50

The FieldPort SWA50 converts the HART signal of the connected HART field device to a reliable and encrypted Bluetooth® or WirelessHART signal. The Endress+Hauser SmartBlue app or the Endress+Hauser Field Xpert is used to configure the FieldPort SWA50 and to visualize the measured values and status of the connected HART field device. HART field devices can be connected to the Netilion Cloud via the FieldPort SWA50 and a FieldEdge device.

Filter specifications
Measuring / Application task
  • Measuring principle


  • Function

    Intelligent WirelessHART and/or Bluetooth® interface module for easy and fast connection to HART devices

  • Certification

    Non-hazardous area, ATEX, IEC Ex

  • Input

    One point-to-point with HART device

  • Output

    WirelessHART and/or Bluetooth® communication interface,
    Operating frequency: 2.4 GHz (ISM band),
    Transmission range under reference conditions:
    WirelessHART communication - up to 200 m (656 ft),
    Bluetooth communication - up to 40 m (131 ft)

  • Auxiliary power supply / Loop power supply

    Loop-powered 4 to 20 mA

  • Dimensions (wxhxd)

    W x H x D: 146 mm x 42 mm x 42 mm
    (dimensions in mm 25.4 = 1 inch)

  • Software

    Internal software for reading data from HART field devices and communicating over WirelessHART and/or Bluetooth®

  • Operation

    Integral via DIP-switches,
    Cell Phone configuration via SmartBlue App and Bluetooth®,
    Field Xpert configuration via Bluetooth® or HART-modem,
    PC configuration via FieldCare and HART-modem,
    PC configuration via FieldCare and WirelessHART Gateway

  • Operating Voltage

    24 V DC (min. 4 V DC, max. 30 V DC): min. 3.6 mA loop current required for start-up
    Voltage drop if internal HART communication resistor is deactivated:
    3.2 V in operation, < 3.8 V at start-up
    Voltage drop if internal HART communication resistor is activated (270 Ohm):
    < 4.2 V at 3.6 mA loop current, < 9.3 V at 22.5 mA loop current

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