TSC310

Summary

Product identification

• Product Name: TSC310 Thermocouple thermometer
• Document Revision: TI00255T/09/EN/02.20, dated 2020-07-17

Application

Suitable for temperature measurement in machinery, power stations, and plants with gaseous or liquid media such as air, steam, water, and oil.

Features and Benefits

• High degree of flexibility with user-specific insertion lengths and variable process connections.
• Fast response time.
• Available in different thermocouple types according to DIN EN 60584 and ASTM E230/ANSI MC96.1:
  • Type J (Fe-CuNi)
  • Type K (NiCr-Ni)
• Types of protection for hazardous locations:
  • Intrinsically safe (Ex ia)
  • Non-sparking (Ex nA)
  • NEPSI approval (Ex ia)

Measuring principle

Utilizes the Seebeck effect, where a voltage is generated when two dissimilar electrical conductors are subjected to a thermal gradient. The magnitude of this voltage depends on the conductor materials and the temperature difference between the measuring junction and the cold junction.

Input

Measuring range

• Type J (Fe-CuNi): –210 to +760 °C (–346 to 1 400 °F), typical sensitivity above 0 °C ≈ 55 μV/K
• Type K (NiCr-Ni): –270 to +1 100 °C (–454 to 2 012 °F)¹ , typical sensitivity above 0 °C ≈ 40 μV/K ¹ Limited by jacket material of insert

Wiring

• Can be connected to a separate temperature transmitter.
• Wire cross-section:
  • ≤ 0.205 mm² (AWG 24) for 4-wire connection
  • ≤ 0.518 mm² (AWG 20) for 2-wire connection
• Thermocouple wire colors:
  • IEC 60584:
    • Type J: black (+), white (-)
    • Type K: green (+), white (-)
  • ASTM E230/ANSI MC96.1:
    • Type J: white (+), red (-)
    • Type K: yellow (+), red (-)

Performance characteristics

Maximum measured error

• IEC 60584:
  • Type J:
    • Class 2: ±2.5 °C (-40 to 333 °C) or ±0.0075 |t| (333 to 750 °C)
    • Class 1: ±1.5 °C (-40 to 375 °C) or ±0.004 |t| (375 to 750 °C)
  • Type K:
    • Class 2: ±2.5 °C (-40 to 333 °C) or ±0.0075 |t| (333 to 1200 °C)
    • Class 1: ±1.5 °C (-40 to 375 °C) or ±0.004 |t| (375 to 1000 °C)
• ASTM E230/ANSI MC96.1:
  • Type J: ±2.2 K or ±0.0075 |t| (0 to 760 °C) (Standard tolerance) / ±1.1 K or ±0.004 |t| (0 to 760 °C) (Special tolerance)
  • Type K: ±2.2 K or ±0.02 |t| (-200 to 0 °C) / ±2.2 K or ±0.0075 |t| (0 to 1260 °C) (Standard tolerance) / ±1.1 K or ±0.004 |t| (0 to 1260 °C) (Special tolerance)
  • ¹ |t| = absolute temperature value in °C. Tolerances in °F are 1.8 times the °C values.

Response time

Tested in water at 0.4 m/s with a 10 K temperature step change:

Response time for TC cable sensor without transmitter.

Insulation resistance

≥ 1000 MΩ at ambient temperature (at 100 V DC).

Calibration

• Available from –80 to +1400 °C (–110 to 2 552 °F) based on ITS90.
• Calibrations are traceable to national and international standards.
• Minimum insertion length of cable sensor depends on temperature range:
  • –80 to –40 °C (–110 to –40 °F): No minimum required
  • –40 to 0 °C (–40 to 32 °F): 300 mm (11.81 in)
  • 0 to 250 °C (32 to 480 °F): 300 mm (11.81 in)
  • 250 to 550 °C (480 to 1 020 °F): 450 mm (17.72 in)
  • 550 to 1400 °C (1 020 to 2 552 °F): 450 mm (17.72 in)

Installation

Installation conditions

• Orientation: No restrictions.
• Insertion length:
  • At least 10 times the cable sensor diameter (⌀D) for bendable version.
  • At least 30 times the cable sensor diameter for non-bendable version.
  • A standard insertion length of > 60 mm (2.36 in) is recommended for the bendable version and > 180 mm (7.1 in) for the non-bendable version.
• Installation in a thermowell is not recommended.
• Bendable cable sensor: Bending radius R > 15 mm (0.6 in).

Environment

Ambient temperature range

Depends on the connecting cable material:

• PVC / PVC: 80 °C (176 °F)
• Glass fiber / glass fiber: 400 °C (751 °F)

Process pressure range

• Maximum static process pressure: ≤ 40 bar (580 psi). Information on specific process connections is provided in the "Process connection" section.

Permitted flow velocity

Diminishes with increasing sensor immersion length. Figures for maximum permitted flow velocities in water and superheated steam at 1 MPa (10 bar) are provided in the datasheet.

Degree of protection

IP65

Vibration- and shock-resistance

4G / 2 to 150 Hz as per IEC 60068-2-6.

Mechanical construction

Design

• Cable sensor design with the measuring point near the tip.
• Standard thermocouple types: J and K.
• Sensors are typically made of mineral-insulated tubing with thermocouple wires.
• Can be installed using a movable compression fitting or supplied without a special process connection.

Connecting cable (thermocouple cable)

Process connection

• Threaded compression fitting (TA50):
  • Available threads: G1/8", G¼", G3/8", G½", NPT1/8", NPT¼", NPT3/8", NPT½".
  • Maximum process pressure: 40 bar at 20 °C (580 psi at 68 °F).
  • Clamping ring material: SS316. Can only be used once.

Materials

• Cable sensors and process connection:
  • AISI 316 / 1.4401: Recommended max. continuous use in air: 650 °C (1 200 °F)¹. High corrosion resistance.
  • Alloy 600 / 2.4816: Recommended max. continuous use in air: 1 100 °C (2 012 °F). Good resistance to aggressive atmospheres, even at high temperatures. ¹ Can be used to a limited extent up to 800 °C (1472 °F) for low compressive loads and in non-corrosive media.
• Connecting cable insulation:
  • PVC: Resistant to acid, high degree of hardness. Low impact strength and low temperature stability.
  • Glass fiber: Suitable for high temperatures in dry environments, non-flammable. Limited tension resistance, not suitable for constant movements.

Weight

≥ 100 g (3.53 oz), e.g., 150 g (5.3 oz) for NL = 100 mm (3.93 in) and G½" compression fitting.

Spare parts

• Spare part: Clamping ring SS 316 (10 pieces)
  • For ⌀6.1 mm (0.24 in); G¼", G3/8", G½", ¼" NPT, ½" NPT, 3/8" NPT
  • Order No.: 60011599
• Spare part: Clamping ring SS 316 (10 pieces)
  • For ⌀3 mm (0.12 in); G1/8", G¼"
  • Order No.: 60011575

Certificates and approvals

• CE mark: Product meets harmonized European standards and complies with EC directives.
• Ex approvals: Information on hazardous area versions (ATEX, FM, CSA, etc.) is available from Endress+Hauser sales centers. Separate Ex documentation contains explosion protection data.
• Other standards and guidelines: IEC 60529 (IP code), IEC 61010-1, IEC 60584, ASTM E230/ANSI MC96.1, IEC 61326-1.

Test report and calibration

• Factory calibration according to internal procedure, accredited to ISO/IEC 17025.
• EA (SIT or DKD) calibration may be requested separately.
• Calibration covers the entire thermometer from process connection to tip.

Supplementary documentation

• Supplementary ATEX documentation: XA044r/09/a3, XA087r/09/a3.
• Technical Information:
  • Temperature transmitter iTEMP HART DIN rail TMT122 (TI090r/09/en)
  • Temperature transmitter iTEMP PCP DIN rail TMT121 (TI087r/09/en)
  • Field indicator RIA16 (TI144r/09/en)
  • Active barrier RN221N (TI073r/09/en)

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Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror