RTD TR13, TC13

Summary

Product Identification

• TR13: Resistance thermometer (RTD)
• TC13: Thermocouple (TC)

Application

• Universal range of application
• Measuring range:
  • Resistance insert (RTD): –200 to 600 °C (–328 to 1,112 °F)
  • Thermocouple (TC): –40 to 1,100 °C (–40 to 2,012 °F)
• Pressure range: up to 100 bar (1,450 psi)
• Degree of protection: up to IP 68

Measuring Principle

Resistance Thermometer (RTD)

Utilizes Pt100 temperature sensors per IEC 60751 with a resistance of 100 Ω at 0 °C.

• Wire Wound (WW): Suitable for temperatures up to 600 °C (1,112 °F), offers good long-term stability but is sensitive to vibrations.
• Thin Film (TF): Smaller size and better vibration resistance. Tight limit values of tolerance category A per IEC 60751 are achievable up to approximately 300 °C (572 °F).

Thermocouples (TC)

Employ the Seebeck effect for temperature measurement, producing a thermoelectric voltage dependent on the temperature difference between the measuring and cold junctions. Standardized per IEC 60584 and ASTM E230/ANSI MC96.1.

Measuring System

Output Signal

• Directly-wired sensors
• Endress+Hauser iTEMP temperature transmitters offering enhanced accuracy and reliability. Available protocols include:
  • Analog output 4 to 20 mA
  • HART®
  • PROFIBUS® PA
  • FOUNDATION Fieldbus™

Input

Measuring Variable

Temperature (temperature-linear transmission behavior)

Measuring Range

RTD Resistance Thermometer:

• Pt100 (IEC 60751, TF) iTHERM StrongSens: –50 to +500 °C (–58 to +932 °F)
• iTHERM QuickSens: –50 to 200 °C (–58 to 392 °F)
• Pt100 thin film sensor (TF): –50 to 400 °C (–58 to 752 °F)
• Pt100 wire-wound sensor (WW): –200 to 600 °C (–328 to 1,112 °F)
• Basis Pt100 (TF): –50 to 200 °C (–58 to 392 °F)

TC Thermocouple:

• Type K: –40 to 1,100 °C (–40 to 2,012 °F)
• Type J: –40 to 750 °C (–40 to 1,382 °F)
• Type N: –40 to 1,100 °C (–40 to 2,012 °F)

Performance Characteristics

Operating Conditions

• Ambient Temperature Range (Terminal Head):
  • Without mounted head transmitter: Depends on terminal head and cable gland/fieldbus connector.
  • With mounted head transmitter: –40 to 85 °C (–40 to 185 °F)
  • With mounted head transmitter and display: –20 to 70 °C (–4 to 158 °F)
• Process Pressure: Maximum permitted process pressure is determined by the lower pressure value of the thermowell and process connection. Pressure vs. Immersion length charts provided for different media (water, steam) and thermowell diameters.
  • Flange connections: Max. process pressure depends on flange pressure rating (e.g., 20, 40, 50, 100 bar for EN1092-1/ISO 7005-1).
• Maximum Flow Velocity: Varies with immersion depth; charts provided for different media and thermowell diameters.
• Shock and Vibration Resistance: Inserts meet IEC 60751 requirements (3g, 10 to 500 Hz). Specific sensor types offer higher resistance (e.g., iTHERM® QuickSens Pt100 > 600 m/s²).

Accuracy

• Thermocouples (TC): Permissible deviation limits per IEC 60584 and ASTM E230/ANSI MC96.1 (Class 1 and 2 tolerances provided).
• RTD Resistance Thermometer: Maximum tolerances per IEC 60751 (Class A, AA, B provided).

Response Time

Calculated immersion in running water (0.4 m/s flow rate, 10 K excess temperature) at approx. 23 °C. Values provided for different assembly types, diameters, tip shapes, and whether a transmitter is fitted.

• Response time for insert without transmitter:
  • Thermocouple (grounded, 3 mm): t₅₀ = 0.8 s, t₉₀ = 2 s
  • Thermocouple (ungrounded, 3 mm): t₅₀ = 1 s, t₉₀ = 2.5 s
  • Thin film (TF) sensor (3 mm): t₅₀ = 2.5 s, t₉₀ = 5.5 s
  • WW Sensor (3 mm): t₅₀ = 2 s, t₉₀ = 6 s

Insulation Resistance

• RTD: > 100 MΩ at 25 °C between terminals and sheath (100 V DC test voltage).
• TC: > 1 GΩ at 20 °C and > 5 MΩ at 500 °C between terminals and sheath (500 V DC test voltage).

Dielectric Strength

• ⌀ 6: ≥ 1,000 V DC between terminals and insert sheath.
• ⌀ 3: ≥ 250 V DC between terminals and insert sheath.

Self Heating

Negligible when an Endress+Hauser iTEMP temperature transmitter is connected.

Calibration

• Comparison temperature calibration available from –80 to +1,400 °C (–110 to +2,552 °F) based on ITS90.
• Calibrations are traceable to national and international standards.

Material

Extension Neck and Thermowell, Insert

• AISI 316L/1.4404, 1.4435: Max. continuous use temp. 650 °C (1,202 °F) in air. Good corrosion resistance.
• AISI 316Ti/1.4571: Max. continuous use temp. 700 °C (1,292 °F) in air. Enhanced resistance to intergranular corrosion.
• Inconel 600/2.4816: Max. continuous use temp. 1,100 °C (2,012 °F). Good resistance to aggressive, oxidizing, and reducing atmospheres.
• Hastelloy C276/2.4819: Max. continuous use temp. 1,100 °C (2,012 °F). Excellent resistance to chlorine gas and chlorides.
• PTFE (Teflon®): Max. temp. 100 °C (212 °F). Resistance to almost all chemicals. Max. process pressure < 2 bar (29 psi).
• PVDF: Max. temp. 80 °C (176 °F). High stability.
• Tantalum: Max. temp. 250 °C (482 °F). Excellent resistance to most mineral acids and saline solutions (except hydrofluoric acid).

Installation

• Orientation: No restrictions.
• Installation Instructions: Recommended minimum immersion depth 80 to 100 mm (3.15 to 3.94 in). Immersion length should be at least 8 times the thermowell diameter.

Mechanical Construction

Terminal Heads

Various terminal head types (TA30A, TA30A with display, TA30D, TA30P, TA20B, TA21E, TA20R) are available with different degrees of protection (IP65, IP66/67, IP66/68), temperature ranges, materials, and connection options.

• TA30A: IP66/68, –50 to +150 °C. Aluminum, polyester powder coated.
• TA30P: IP65, –40 to +120 °C. Polyamide (PA12), antistatic. Intrinsic safety (Ex ia).
• TA20R: IP66/67, –40 to +100 °C. SS 316L stainless steel.

Design

Insert

• RTD: Various Pt100 sensor types (WW, TF) available with different vibration resistances, measuring ranges, and accuracy classes. Diameter options: ⌀3 mm (0.12 in) or ⌀6 mm (0.24 in).
• TC: Types K, J, N available with INCONEL 600 or 316L materials. Diameter options: ⌀3 mm (0.12 in) or ⌀6 mm (0.24 in).

Weight

From 1.5 to 3.5 kg (3.3 to 7.7 lb) for standard versions.

Process Connection

Flange dimensions and standards (ANSI/ASME B16.5, ISO 7005-1, EN 1092-1, JIS B 2220) are detailed. Flanges are available in 316L/1.4404 and 316Ti/1.4571.

Certificates and Approvals

Details on available approvals can be found via the Product Configurator on the Endress+Hauser website.

Other Standards and Guidelines

• IEC 60529 (IP code)
• IEC/EN 61010-1 (Safety requirements)
• IEC 60751 (Industrial platinum resistance thermometers)
• IEC 60584 and ASTM E230/ANSI MC96.1 (Thermocouples)
• DIN 43772 (Thermowells)
• DIN EN 50446 (Terminal heads)

Material Certification

Material certificate 3.1 (EN 10204) can be requested separately.

Thermowell Testing

Tested in accordance with DIN 43772 specifications. Liquid penetration tests verify welded seams.

Ordering Information

Detailed ordering information is available through the Endress+Hauser Product Configurator on their website.

Accessories

Various accessories are available, including software tools like Applicator, DeviceCare, and FieldCare for configuration and asset management.

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Disclaimer: Extraction may miss figures, footnotes, or revisions; contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

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