JUMO Screw-in Thermocouple with Terminal Head Form B

Overview of JUMO Screw-in Thermocouples

The JUMO screw-in thermocouple with terminal head Form B is a high-performance temperature sensor designed to meet the rigorous demands of industrial measurement technology. Engineered for precision and longevity, this instrument is preferentially deployed for monitoring temperatures in gaseous and liquid media. A decisive advantage of this design is its exceptional sealing reliability, ensuring safe and leak-free operation under both vacuum and high overpressure conditions.

Robust Construction and Material Integrity

To withstand harsh industrial environments, the probe is equipped with a durable protective sheath and process connection threads crafted from high-grade stainless steel (1.4571). This rugged outer structure effectively shields the internal measuring insert against aggressive chemical influences and mechanical damage. The standard terminal head (Form B, die-cast aluminum) is rated IP65, providing reliable protection against dust and moisture ingress in ambient temperatures up to +100 °C. Alternative terminal heads such as BUZ, BUZH, or plastic Form NS are also supported depending on operational requirements.

Flexible Configurations and Sensor Technology

The internal thermocouples comply strictly with DIN EN 60584 (Class 2) and DIN 43710 standards. Users can choose between single or double thermocouple configurations utilizing popular elements such as Fe-CuNi (Type J/L) for ranges from -200 to +600 °C or NiCr-Ni (Type K) for high temperatures up to +800 °C. Furthermore, the unit supports optional integrated programmable transmitters (4 to 20 mA output) or Wtrans head transducers for wireless data transmission, enhancing system integration flexibility.

Applications

• Heating Technology: Temperature monitoring in industrial boilers, heating systems, and thermal distribution loops.

• Furnace and Kiln Technology: High-temperature process tracking in industrial ovens, heat treatment facilities, and kilns.

• Industrial Process Control: General liquid and gas temperature measurement across chemical, manufacturing, and engineering sectors.

• Pipeline & Pressure Systems: Hermetic fluid monitoring in closed systems requiring vacuum or overpressure tightness.

Technical Specifications

• Operating Temperature Range: -200 to +800 °C (depending on thermocouple type)

• Thermocouple Elements: Fe-CuNi (Type J/L), NiCr-Ni (Type K) as single or double versions

• Standards & Classes: DIN EN 60584, Class 2; DIN 43710, Class 2

• Sheath Material: Stainless steel 1.4571, diameter 9 mm

• Process Connection: Stainless steel 1.4571 thread (G 1/2, G 3/4, G 1, or M18x1.5)

• Terminal Head: Form B (standard) or Form BUZ, BUZH (die-cast aluminum, IP65), Form NS (plastic, IP54)

• Terminal Head Ambient Temp: Up to +100 °C (Form B/BUZ/BUZH) or up to +130 °C (Form NS)

• Transmitter Options: Programmable 4 to 20 mA output transmitter or Wtrans B wireless head transducer

FAQ

Q1: What are the main media suitable for this screw-in thermocouple? A: It is preferentially used for measuring temperatures in industrial fluids and gases, offering reliable performance in both vacuum and overpressure conditions.

Q2: Can I choose between single and double thermocouple elements? A: Yes, the measuring insert is available in both single (1x) and double (2x) configurations using Type J, L, or K thermocouple elements.

Q3: What terminal head options and protection classes are available? A: The standard version utilizes a die-cast aluminum Form B head with an IP65 protection rating, while optional Form BUZ, BUZH, or plastic Form NS heads are also supported.

Q4: Are wireless or 4-20mA transmitter options supported? A: Yes, the unit can be equipped with a programmable 4 to 20 mA analog output transmitter or a Wtrans B head transducer for wireless data transmission.

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