Technical Data
CompareThermometer
| Measuring Principle | Resistance Temperature Detector |
| Characteristic / Application | non-invasive thermometer cable probe or modular thermometer suitable for high process pressures surface mounting |
| Thermowell / protection tube | without (not intended to use with thermowell) |
| Insert / probe | non exchangeable RTD or TC insert |
| Outer diameter protection tube / Insert | Geometry of coupling element is designed according to diameter of process piping |
| Process connection | surface mounting |
| Operating temperature range | -196 °C…400 °C (-320,8 °F...752 °F) |
| Accuracy | depending on application Class AA acc. to IEC 60751 Class A acc. to IEC 60751 Class B acc. to IEC 60751 Class special or standard acc. to ASTM E230 Class 1 or 2 acc. to IEC 60584-2 |
| Response time | depending on application |
| Integration head transmitter | yes (4 … 20 mA; HART; iO-Link, PROFINET, PROFIBUS PA; FOUNDATION FIELDBUS) |
| Ex - approvals | ATEX IECEx Ex tb, Ex ia, Ex db CSA C/US IS, NI UKCA Ex tb, Ex ia, Ex db NEPSI Ex ia, Ex d KC Ex d, Ex ia, Ex tb |
| Certification | SIL, MID, Marine |
TM611 non-invasive RTD or thermocouple thermometer with excellent performance for demanding applications
Advantages
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Measuring accuracy and response time comparable todirect temperature measurement methods
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No opening required in the process installation,no risk of medium leakage
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Higher safety for personnel, plant and environment
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From device selection to installation and maintenance, operation isconvenient
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Significant cost savings:Shorter development and project planning times, lower installation, certification and testing expenditure, and no costs for thermowells, nozzles, flanges, weld inspections or extension pieces.
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The iTEMP temperature transmitter supports all commonstandard communication protocols, and can beoptionally equipped with Bluetooth® wireless connection
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Numerous international certifications:Explosion protection certifications such as ATEX, IECEx, CSA, NEPSI; functional safety certification (SIL)
Field of application
The iTHERM SurfaceLine TM611 thermometer uses a non-invasive installation method and is widely used for temperature measurement in different industries, without risk of medium leakage and without interrupting the process. The device is simple and safe to install, and its measuring accuracy and response time are comparable to contact temperature measuring instruments. The special thermal coupling element ensures excellent heat transfer performance of the sensor, reduces adverse environmental influences and delivers better measuring performance than electronic compensation technology.
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Suitable for all industries
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High medium flow velocities, high process pressures, high medium viscosities, corrosive media, abrasive media, cleaning systems, small-diameter pipes, etc.demanding conditionsthe ideal choice for
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Existing installationsideal choice for subsequent retrofitting of measurement, for energy and safety monitoring
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Technical documentation
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Source:Endress+Hauserpublic information from the website
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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