Endress+Hauser TMR31 Compact thermometer
- Sensor Type: Resistance temperature detector
- Response Time: Extremely fast (1s t50)
- Operating Temp: -50 to 200 °C
- Approvals: Marine, UL 3111-1
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Description
Endress+Hauser TMR31: Compact, Efficient, Reliable
The Endress+Hauser TMR31 compact thermometer is a testament to modern process measurement technology, meticulously designed for cost efficiency, optimal use of space, and exceptionally reliable operation. Its construction emphasizes easy installation and commissioning, making it a highly practical solution for various industrial environments. At its core, the TMR31 features vibration-proof integrated thin-film sensors, which are critical for guaranteeing the highest operational safety coupled with incredibly fast response times. This robust and agile design ensures that the TMR31 consistently delivers precise temperature measurements, even in demanding conditions, thereby contributing significantly to overall process efficiency and safety.
Precision for Diverse Industrial Applications
The TMR31 delivers precision for diverse industrial applications, making it a versatile instrument across a multitude of sectors. It is primarily used to measure temperatures ranging from a chilly -50 °C to a warm +150 °C (-58 °F to +302 °F), extending up to +200 °C (+392 °F) when equipped with a neck. Its compact design and robust construction make it ideally suited for installation in tanks and pipes, which are common locations in industries such as chemical processing, food and beverage, and water treatment. The TMR31’s ability to provide highly accurate readings even with short insertion lengths ensures that it can be optimally positioned to capture critical temperature data, enhancing process control and product quality.
Outstanding Benefits for Enhanced Operation
Experience the outstanding benefits for enhanced operation that the TMR31 brings to the table. Its small, compact design, crafted entirely from high-grade stainless steel, ensures durability and longevity in harsh industrial settings. The thermometer boasts extremely short response times, allowing for rapid and accurate temperature monitoring, which is crucial for dynamic processes. Furthermore, it maintains high accuracy even with short insertion lengths, providing flexibility in installation where space might be limited. The option of a 4-wire, Pt100 or PC-programmable transmitter with a 4 to 20 mA output simplifies integration into existing control systems, offering a seamless data flow for improved process management.
Simplified Configuration, Comprehensive Diagnostics
The TMR31 offers simplified configuration, with comprehensive diagnostics, making it exceptionally user-friendly. Configuration and visualization are effortlessly managed through the ReadWin® 2000 PC operating software, which is provided free of charge, adding to the cost-effectiveness of the device. This intuitive software enables quick setup and clear graphical representation of temperature data. Moreover, the TMR31 provides crucial breakdown information in the event of a sensor break or short-circuit, which is adjustable as per NAMUR NE43 standards. This proactive diagnostic capability ensures that potential issues are identified immediately, minimizing downtime and supporting predictive maintenance strategies.
tpt24: Your Premier Global Source
For the Endress+Hauser TMR31, tpt24: your premier global source, offers unparalleled access to this advanced compact thermometer. As the world’s leading online store for industrial instrumentation, tpt24 guarantees the authenticity and superior quality of every TMR31 purchased through our platform. Our extensive worldwide delivery network ensures that, irrespective of your location—be it a manufacturing plant in Asia or a water treatment facility 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 measurement needs, ensuring peace of mind and operational excellence.
Versatile Design for Optimal Integration
The TMR31 features a versatile design for optimal integration into various setups. It is available in a metric style, designed as a compact temperature probe with fast response times. The threaded process connection options include G1/4″, G1/2″, NPT1/4″, NPT1/2″, M14x1.5, M18x1.5, and BSPT R1/2″, allowing for broad compatibility with different piping and vessel configurations. The probe comes in a pipe version with isolated wires, suitable for direct immersion. With outer diameter protection tube options of 4.00 mm (0.16″) and 6.00 mm (0.24″), and a maximum immersion length of up to 600.00 mm (23.62″), the TMR31 offers significant flexibility to meet specific application requirements.
Durable Construction, High-Quality Materials
Emphasizing durable construction, using high-quality materials, the TMR31 is built to last. The protection tube and thermowell are crafted from 1.4404 (316L) stainless steel, known for its excellent corrosion resistance and suitability for a wide range of process media. The straight tip shape contributes to its robust design, while a surface roughness of Ra 0.8 μm (32 μin.) ensures optimal performance and cleanliness. This meticulous attention to material selection and construction details guarantees that the TMR31 can withstand demanding industrial environments, providing reliable and accurate measurements over an extended operational lifespan, thereby minimizing maintenance needs and maximizing return on investment.
Performance and Compliance Across Industries
The TMR31 ensures top performance and industry compliance in demanding applications. It operates reliably within a temperature range of -50 °C to +200 °C (-58 °F to +392 °F) for its Pt100 sensor. With a maximum static process pressure of 100 bar (1,450 psi) at 20 °C, it can safely handle high-pressure environments. Its accuracy is certified as Class A according to IEC 60751, a testament to its precise measurement capabilities. Furthermore, its rapid response times of t50 = 1 second and t90 = 2 seconds ensure quick and accurate temperature tracking. The TMR31 also carries important certifications, including Marine approval and UL 3111-1, confirming its suitability for a broad spectrum of industrial and maritime applications, guaranteeing both safety and operational integrity.
Specifications
-
Measuring principle
Resistance Temperature Detector
-
Characteristic / Application
metric style
compact temperature probe
fast response time
threaded process connection
with or without neck -
Thermowell / protection tube
without (not intended to use with thermowell)
-
Insert / probe
pipe version, isolated wires, not flexible
-
Outer diameter protection tube / Insert
4,00 mm (0,16″)
6,00 mm (0,24”) -
Max. immersion length on request
up to 600,00 mm (23,62”)
-
Material protection tube/ thermowell
1.4404 (316L)
-
Process connection
male thread:
G1/4″
G1/2″
NPT1/4″
NPT1/2″
M14x1.5
M18x1.5
BSPT R1/2″ -
Tip shape
straight
-
Surface roughness Ra
0,8 μm (32 μin.)
-
Operating temperature range
PT 100:
-50 °C …200 °C
(-58 °F …392 °F) -
Max. process pressure (static)
at 20 °C: 100 bar (1.450 psi)
-
Accuracy
class A acc. to IEC 60751
-
Response time
t50 = 1 s
t90 = 2 s -
Integration head transmitter
no (4…20mA Signal)
-
Certification
Marine approval
UL 3111-1











