Endress+Hauser TM311 iTHERM CompactLine Compact thermometer
- Principle: RTD Thermometer
- Response Time: 1.5s (t90)
- Outputs: 4-20mA, IO-Link
- Approvals: 3-A, EHEDG, FDA
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Description
Endress+Hauser TM311: Hygienic Temperature Sensor
The Endress+Hauser iTHERM CompactLine TM311 is a state-of-the-art sanitary thermometer engineered to deliver accurate and rapid process temperature measurements in the most demanding hygienic and aseptic applications. This versatile device is a cornerstone for plant standardization, offering unparalleled flexibility and performance. With its advanced TipSens technology, the TM311 ensures optimal process control through exceptionally fast response times. It embodies Endress+Hauser’s commitment to precision, reliability, and robust design for critical temperature monitoring in sensitive industries, making it an ideal choice for modern production facilities.
Unmatched Performance in Sanitary Applications
The TM311 offers unmatched performance in sanitary applications, making it indispensable for industries where purity and precision are paramount. Developed for universal use in sterile environments, it excels in monitoring temperatures during critical processes like pasteurization, sterilization, and fermentation in the Food & Beverage industry. In Life Sciences, it is ideal for biotechnology, pharmaceutical production, and cleanroom applications. Its robust design and compliance with international approvals such as 3-A, EHEDG, ASME BPE, and FDA ensure its suitability for direct contact with sensitive media, preventing contamination and guaranteeing product integrity.
TipSens Technology for Rapid Response
Featuring advanced TipSens Technology for Rapid Response, the TM311 sets a new benchmark for temperature measurement speed. Its Pt100 (Class A) RTD sensor, combined with this innovative technology, achieves response times as low as 1.5 seconds (t90). This swift response is crucial for dynamic processes where immediate temperature feedback is essential for maintaining strict process control and preventing product deviations. Whether in fast-filling lines, rapid heating/cooling cycles, or intricate bioreactor systems, the TM311 ensures that operators have real-time, accurate data to optimize efficiency and safeguard product quality.
Flexible Outputs, Seamless Integration
The TM311 offers flexible outputs, ensuring seamless integration into any modern control system. Its temperature sensor provides a standard 4-wire connection, or it can be configured to feed into a smart temperature transmitter with a 4 to 20 mA analog output, IO-Link (auto-detect), or a reliable switch output. This array of output options allows for easy connection to PLCs, DCS systems, and other process automation platforms. The IO-Link capability, in particular, offers enhanced diagnostic information and simplified parameterization, streamlining commissioning and maintenance while reducing overall operational complexity.
tpt24: Your Premier Global Source
For the Endress+Hauser TM311, tpt24: your premier global source, provides unparalleled access to this innovative temperature sensor. As the world’s leading online store for industrial instrumentation, tpt24 guarantees the authenticity and superior quality of every TM311 unit purchased through our platform. Our extensive worldwide delivery network ensures that, no matter your location—from a bustling food factory in Asia to a cutting-edge biotech lab in North America—you will receive this essential instrument efficiently and securely. Trust tpt24 for genuine products and dependable service for all your critical process temperature needs.
Compact Design, Easy Installation
The TM311 boasts a compact design, facilitating easy installation even in confined spaces. Its ergonomic form factor is complemented by a standard M12 connector with IP69 protection, ensuring straightforward and reliable electrical connections. The sensor’s design also incorporates recommended process immersion lengths, optimizing measurement accuracy and performance. This combination of compact dimensions, robust electrical connectivity, and optimized sensor placement significantly accelerates installation and commissioning times, reducing labor costs and minimizing downtime during plant setup or upgrades, making it highly desirable for skid builders and machine manufacturers.
Enhanced Accuracy for Optimal Control
Delivering enhanced accuracy for optimal control, the TM311 utilizes a high-grade Pt100 Class A RTD sensor. This ensures precise temperature readings across its wide operating range of -50 to 200 °C (-58 to 392 °F). Furthermore, the option for transmitter-sensor matching improves overall measuring accuracy, providing even greater confidence in critical applications. The ability to maintain high sensor accuracy, even with short immersion lengths, makes it exceptionally versatile for various tank and pipe configurations, ensuring consistent and reliable data collection crucial for maintaining product specifications and process efficiency.
Robust and Reliable Operation
The TM311 guarantees robust and reliable operation, designed for longevity and safety in industrial environments. Constructed from high-grade stainless steel (1.4435 Delta-Ferrit < 1% or 316L), its hygienic design is built to withstand harsh cleaning regimes and aggressive media. It complies with rigorous safety standards such as EN 610101-1 and CSA C/US, and features electromagnetic compatibility (NAMUR NE 21). Device diagnostic information, compliant with NAMUR NE 43, further enhances operational safety and simplifies troubleshooting, ensuring minimal downtime. Its marine approval also attests to its resilience in demanding offshore applications.
Specifications
-
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











