The temperature sensor line is delivered with direct connected cable. With its construction based on mineral insulated cable (MIC) supports a wide range of applications. Due to compression fittings or soldering nipples the installation is simple and flexible. With the optional surface adapter the measuring of surface temperature are supported. The certificate for intrinsic safety allows the operation even in Zone 0 without the need of additional thermowell. This application grands an outstanding reaction time.
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The temperature sensor line is equipped with direct mount connectors (M12, Lemo usw.). With its construction based on mineral insulated cable (MIC) supports a wide range of applications. Due to compession fittings or soldering nipples the installation is simple and flexible. With the optional surface adapter the measuring of surface temperature are supported. The certificate for intrinsic safety allows the operation even in Zone 0 without the need of additional thermowell. This application grands an outstanding reaction time.
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This temperature sensor line for sanitary applications provides a wide range of appropriate process connections for the classical temperature measurement. With the clamp-on temperature sensor Siemens breaks new ground. The benefits are particularly at small pipe diameters are the removal of welding and welding validation no disturbance of the process. Comparable accuracy and response time, despite piggability and simple demounting for recalibration.
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Tubular thermowell for low to medium stress, according to DIN 43722, Type 2, without process connection, without extension, plug-in or use with move-able compression fittings
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Tubular thermowell, low to medium stress, according to DIN 43722, Type 2F, with flange, with extension
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Thermometerschutzrohr aus Rohrmaterial, geringe bis mittlere Beanspruchung, nach DIN 43772, Typ 2G, verschraubte Ausführung, mit Verlängerung
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Tubular thermowell, low to medium stress, Type 2N similar to DIN 43722, screwed design, without extension, for maximum process temperatures of 100 °C
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Tubular thermowell for low to medium stress, according to DIN 43722, Type 3, without process connection, improved response time, plug-in or use with moveable compression fittings
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Tubular thermowell, low to medium stress, according to DIN 43722, Type 3F, with flange, with extension
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Tubular thermowell, low to medium stress, according to DIN 43722, Type 3G, screwed design, with extension
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Barstock thermowell for medium to extreme stress, according to DIN 43722, Type 4, for welding in, Type 4F with flange, with extension
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Temperature sensors for installation in existing thermowells, suitable for ther-mowells according to DIN 43772 as well as ASME B40.9-2001 with extension European or American types
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Siemens Resistance Thermometers – Industrial Temperature Measurement
Siemens resistance thermometers (RTD) use the temperature-dependent resistance of a metallic sensing element to provide accurate and repeatable temperature measurements. They are designed for industrial applications, offer excellent long-term stability, and can be adapted to process conditions through protective thermowells, replaceable inserts and various connection configurations.
Questions & Answers on Siemens RTDs
What is a resistance thermometer?
An RTD measures temperature by detecting the resistance change of a metallic sensing element, which varies almost linearly with temperature.
Which sensing elements are used?
Common sensing elements include Pt100, Pt1000 and nickel-based elements, known for high accuracy and stability.
What temperature ranges can Siemens RTDs cover?
Depending on design and thermowell materials, Siemens RTDs can operate from very low temperatures up to several hundred degrees Celsius.
How are Siemens RTDs constructed?
The sensing element is embedded in a protective thermowell designed to withstand mechanical and chemical loads. Inserts are often replaceable without removing the entire assembly.
Why choose RTDs over thermocouples?
RTDs offer higher accuracy, better repeatability and significantly lower long-term drift.
How are RTDs installed?
Installation typically uses threaded or welded thermowells in pipes or vessels. Measuring inserts can be exchanged easily during maintenance.
Which wiring configurations are available?
Typical wiring options include 2-, 3- and 4-wire connections. RTDs are often paired with transmitters for industrial automation.
What accuracy can be expected?
High-quality RTDs ensure precise measurements with excellent long-term stability, even under fluctuating conditions.
Are Siemens RTDs suitable for harsh environments?
Rugged materials and appropriate thermowells make them suitable for corrosive, high-temperature, hygienic or mechanically stressed conditions.
Which selection criteria are important?
Key factors include temperature range, medium, thermowell material, wiring type, installation method, accuracy class and process environment.
How are RTDs integrated into automation systems?
They are typically combined with temperature transmitters that provide standardized signals and diagnostic features for reliable system integration.