Technical Data
CompareThermometer
| Measuring Principle | Resistance Temperature Detector |
| Characteristic / Application | metric and imperial style compact temperature probe fast response time high accuracy standard and hygienic design hygienic process connection threaded process connection |
| Thermowell / protection tube | without incl. thermowell incl. Tee-/elbow thermowell |
| Insert / probe | pipe version, isolated wires, not flexible |
| Outer diameter protection tube / Insert | 3,0 mm (0,12'') 6,0 mm (0,24'') |
| Max. immersion length on request | up to 600,00 mm (23,62'') |
| Material protection tube/ thermowell | 1.4435 Delta-Ferrit < 1% 316L |
| Process connection | compression fitting Thread weld in adapter clamp connections acc. to ISO2852 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 Varivent SMS 1147 Tee-/elbow thermowell |
| 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 | PT 100: -50 °C ...200 °C (-58 °F ...392 °F) |
| Max. process pressure (static) | at 20 °C: 50 bar (725 psi) |
| Accuracy | class A acc. to IEC 60751 |
| Response time | t50 = 1 s t90 = 1.5 s |
| Integration head transmitter | no (4…20mA Signal, IO-Link) |
| Ex - approvals | CSA C/US |
| Certification | 3A, EHEDG, ASME BPE, FDA, TSE 1935/2004, 2023/2006, 10/2011 DNV, BV RCM |
Benefits
Fast installation and simple commissioning:
• Compact design, small dimensions, all stainless steel
• M12 connector, IP69 degree of protection, convenient wiring
• Universal output signals: IO-Link (self-check connection) and 4 … 20 mA (Pt100 four-wire connection)
• Models with preset measuring ranges can be ordered
• Recommended insertion lengths guarantee optimum results and the highest level of standardization
Innovative sensor technology, excellent measuring performance:
• Extremely short response time
• High accuracy even with small insertion depths
• Improved accuracy through sensor-transmitter matching
Safe measurement thanks to numerous approvals:
• Safety requirements in accordance with EN 61010-1 and CSA C/US
• Electromagnetic compatibility per NAMUR NE21
• Diagnostic information classified per NAMUR NE43
• Hygienic design per 3-A, EHEDG, ASME BPE, FDA, EC 1935/2004, EN
2023/2006, TSE/ADI, GB4806-2016 and GB9685-2016
• DNV (Det Norske Veritas) approval
Application
• Designed for hygienic and sterile applications in the food & beverage and pharmaceutical industries, meeting the highest standardization requirements of plant manufacturers and skid
builders
• Measuring range: –50 … +200 °C (–58 … +392 °F)
• Maximum pressure: 50 bar (725 psi)
• Degree of protection: IP69
• Output signals
• Without electronics: Pt100 (four-wire connection)
• With electronics: IO-Link, 4 … 20 mA current output, 1 x PNP switch output (depending on
wiring)
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Technical information
Technical data
Documents/Manuals/Software
Accessories/Spare parts
Measuring principle video
Source: public information from the Endress+Hauser website
Related Models
| Model | Name |
|---|---|
| TM311-18P9/0 | 热电阻温度计 |
| TM311-AAB0BH2BAB4A1JA | 热电阻温度计 |
| TM311-AAB2BH1BBX1B1JA | 热电阻温度计 |
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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