iTHERM TrustSens TM371 Compact Thermometer
Brand: Endress+HauseriTHERM TrustSens TM371 Compact Thermometer
Brand: Endress+Hauser

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.
- Designed for critical hygienic / aseptic applications in life sciences, food & beverage
- RTD self-calibration in processes such as SIP, UHT, edible oil refining, industrial deep fat frying
- Measuring range: -40 to 190 °C (-40 to 374 °F)
- Protection class: IP65/67 or IP69
- Signal output: 4 to 20 mA,HART®
- Optional: SecureBluetooth® and/orWirelessHART® (requiresFieldPort SWA50)
- EHEDG, ASME BPE, FDA, 3-A, 1935/2004, 2023/2006, 10/2011, CE, CRN, CSA General Purpose, Explosion protection, e.g. ATEX/IECEx
- Reduce risks and costs by implementing fully automated, traceable inline RTD sensor self-calibration; Eliminate non-conformities or undetected failures
- TrueRTD sensor self-calibrationmaking use of the Curie effect; Built-in, long-term stable fix point reference with complete traceability of calibration chain to ITS-90
- Full instrument diagnostics, monitoring and verification with Heartbeat Technology
- Automated process documentation, built-in memory for 350 calibration events; 24/7 access to printable, audit proof calibration certificates, on-site or through cloud-based system integration
- Built-in 4 to 20 mA loop check function saves time and increases process safety
- Highest temperature measurement precision: individual transmitter-sensor matching from factory for improved RTD accuracy
Specifications
Brand
Measuring Principle
- Resistance Temperature Detector
Characteristic / Application
- self-calibrating
- metric style
- compact temperature probe
- hygienic design
- life sciences, food & beverage
Thermowell / Protection Tube
- without
- incl. thermowell
- incl. Tee-/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%
- 316L
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
- Varivent
- Ingold
- SMS 1147
- Neumo Biocontrol
- TT411 elbow thermowell DIN 11865
Tip Shape
- straight
- reduced
Surface Roughness Ra
- 0.76 μm (29.92 μin)
- 0.38 μm (14.96 μin)
- 0.38 μm (14.96 μin) electropolished
Operating Temperature
- Pt100: -40 °C to 160 °C (-40 °F to 320 °F),
- optional up to 190 °C (374 °F)
- reference point for automated calibration
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)
Ex - Approvals
- CSA C/US
- UKCA
- ATEX IECEx
- EAC
- NEPSI