Endress+Hauser TM371 iTHERM TrustSens Compact thermometer
- Measuring Principle: Self-calibrating Pt100
- Process Connections: Hygienic options
- Max Temp: 190 °C
- Output: 4-20 mA HART
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Description
Endress+Hauser TM371: Self-Calibrating Sanitary Probe
The Endress+Hauser iTHERM TrustSens TM371 represents a breakthrough in hygienic temperature measurement, featuring the world’s first self-calibrating Pt100 sensor unit. This advanced sanitary RTD transmitter, equipped with Heartbeat Technology, is specifically designed to eliminate the risk of undetected non-conformities. It significantly reduces production downtime while enhancing product safety and process efficiency, making it an indispensable tool for critical applications within the food, beverage, and life sciences industries, ensuring compliance with FDA and GMP regulations.
Critical Hygienic Applications Demanded
This instrument is engineered for critical hygienic applications, specifically demanded in the life sciences, food, and beverage sectors. The TM371 excels in demanding processes such as Steam-in-Place (SIP), Ultra-High Temperature (UHT) treatment, edible oil refining, and industrial deep-fat frying. Its self-calibrating capability ensures continuous accuracy and reliability in these sensitive environments. By integrating with the Netilion cloud-based Industry 4.0 ecosystem, it offers seamless data management and process monitoring, elevating operational standards.
Automated Traceable Inline Self-Calibration
Reduce risks and costs through automated, traceable inline RTD sensor self-calibration. The TM371’s core innovation is its true RTD sensor self-calibration, which leverages the Curie effect. It utilizes a built-in, long-term stable fixed-point reference, providing complete traceability of the calibration chain to ITS-90. This feature automates a critical process, minimizes human error, and guarantees that your temperature measurements remain accurate and compliant without manual intervention, ensuring utmost process safety.
Unmatched Precision with Heartbeat Technology
Experience unmatched precision with Heartbeat Technology embedded within the TM371. This robust diagnostic suite offers full instrument monitoring and verification, identifying potential issues before they impact production. It supports automated process documentation, storing up to 350 calibration events with 24/7 access to printable, audit-proof certificates, either on-site or via cloud integration. The built-in 4 to 20 mA loop check function further streamlines diagnostics, saving valuable time and enhancing process safety.
Superior Accuracy Through Transmitter-Sensor Matching
Achieve superior accuracy through transmitter-sensor matching, a key benefit of the TM371. Each transmitter is individually matched with its sensor from the factory, significantly improving the overall RTD accuracy. This meticulous pairing ensures that the instrument performs at its peak, providing highly precise temperature readings essential for quality-critical processes. The inherent stability and accuracy reduce the need for frequent recalibrations, further optimizing operational efficiency and cost-effectiveness.
tpt24: Your Premier Global Source
For the Endress+Hauser iTHERM TrustSens TM371, tpt24: your premier global source, provides unparalleled access to this revolutionary self-calibrating temperature transmitter. As the world’s leading online store, we guarantee the authenticity and superior quality of every TM371 unit you purchase. Our commitment extends to ensuring secure and efficient worldwide delivery, so whether your facility is in food processing, biotechnology, or any other demanding sector, you can rely on tpt24 to deliver this cutting-edge technology reliably to your doorstep, anywhere on the globe.
Broad Process Connections for Versatility
The TM371 offers broad process connections for enhanced versatility. It supports a wide range of hygienic and standard process connections, including compression fittings, weld-in adapters, clamp connections (ISO 2852), aseptic screwed pipe joints (DIN 11864-1), metallic sealing systems, and more. With materials like 1.4435 (Delta Ferrite < 1%) and 316L, and surface roughness options down to 0.38 μm electropolished, it integrates seamlessly into various hygienic systems, meeting the most stringent industry standards like EHEDG, ASME BPE, and 3-A.
Global Certifications for Safety Assurance
Rest assured with global certifications ensuring utmost safety assurance. The iTHERM TrustSens TM371 boasts an impressive list of approvals, including EHEDG, ASME BPE, FDA, 3-A, and compliance with EC 1935/2004 and 2023/2006. It also holds certifications for general purpose use from CSA C/US and explosion protection certifications like ATEX/IECEx. These accreditations underscore the instrument’s reliability and suitability for use in highly regulated and potentially hazardous environments, providing confidence in its performance and safety.
Specifications
-
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 range
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
ATEX IECEx Ex ia
CSA C/US IS
UKCA Ex ia











