Technical Data
CompareThermometer
| 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 |
The award-winning iTHERM TM371 smart thermometer integrates a HART® transmitter and Heartbeat Technology and is equipped with the world's first fully automatic in-situ self-calibrating RTD sensor. It effectively prevents the risk of undetected non-compliance in food & beverage and life sciences industry applications, shortens production downtime and increases product safety and process efficiency. The product fully complies with FDA 21 CFR Part 11 and GMP standards.
Advantages
The self-calibration function and “Heartbeat Technology” reduce operating risk and costs
Thanks to the fully automatic and fully traceable built-in self-calibration function, the production process does not need to be interrupted
Fully automatic archiving of records, with storage of 350 calibration points.
Calibration certificates can be printed for use as audit documentation.
Automatic 4-20 mA loop testing saves time and increases process safety. Learn how iTHERM TrustSens performs fully automatic loop testing in five simple steps. The video shows the device setup and how your process benefits.
Avoids non-compliance or undetectable faults
International certificates and approvals: ASME BPE, FDA, 3-A, 1935/2004, 2023/2006, 10/2011, CE CRN, CSA general certification
Highest measuring accuracy at the measuring point through sensor-transmitter matching
Application
Specifically designed for hygienic and aseptic applications in the food & beverage and life sciences industries
Measuring range: –40...+160 °C (–40...+320 °F)
Maximum pressure: 50 bar (725 psi)
Protection rating: IP67/68 or IP69K
Communication: 4...20 mA HART® analog output
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Source:Endress+Hauserwebsite public information
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · RTD Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of RTD.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable RTD for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · RTD Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of RTD.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable RTD for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · RTD Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of RTD.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable RTD for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · RTD Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of RTD.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable RTD for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
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Endress+Hauser