Quality directly from the manufacturer
Long-term stable temperature probes over years
Advice directly from experts

Immersion thermocouple type J with B-Head

€63.26 *

Prices incl. VAT plus shipping costs of 4,95 € to GER (incl. VAT)

Delivery time 4 Workdays to GER (AT, NL, BE +1 workdays)

Repeated order: check settings carefully and change if necessary.
1.Jetzt konfigurieren und bestellen
C - Einbaulänge

Jeder Fühler benötigt eine Mindest-Eintauchtiefe, um die Temperatur des zu messenden Mediums annehmen und korrekt messen zu können. Faustformel: optimalerweise sollte die Eintauchtiefe 10-mal dem Schutzhülsendurchmesser entsprechen, mindest sollte jedoch ein 5-facher Wert verwendet werden.

keine Auswahl
(C0050) 50 mm
(C0100) 100 mm
(C0150) 150 mm
(C0200) 200 mm
(C0250) 250 mm
(C0300) 300 mm
(C0400) 400 mm
(C0500) 500 mm
Image Changer
2.Wie viele Fühler benötigen Sie?
Price calculation
Basic price
C - Einbaulänge:  
Configuration is incomplete - please check it!
  • 803311-1111
Our Payments


  • Advice directly from experts
  • Quality directly from the manufacturer
  • Long-term stable temperature probes over years
  • B2B customers welcome: All information here
Questions about the article?
Our employee will be happy to help you:
Julian Mäntele
Tel.: +49 (0)7653 96 59 771
E-Mail: jmaentele@testo-sensor.de
Our immersion probe Thermoelment type J with B-head can be used in process measurement... more
Product information "Immersion thermocouple type J with B-Head"

Our immersion probe Thermoelment type J with B-head can be used in process measurement technology in a temperature range up to +750 °C directly in contact with the medium or using immersion sleeves. We offer brass or stainless steel immersion sleeves as well as mounting flanges and compression fittings made of different materials as accessories.

Here you can find our downloads for the Immersion thermocouple type J with B-Head

pdf-download Data sheet Immersion thermocouple type J with B-Head
pdf-download Instruction manual Immersion thermocouple type J with B-Head
pdf-download Operating instruction Immersion thermocouple Type J with B-Head
pdf-download Declaration of Conformity Immersion thermocouple type J with B-Head

Immersion thermocouple with head - General Information

Measuring range -40 °C to +750 °C
Perm. (°C) conn. head -40 °C to +100 °C
Accuracy -40 °C to +375 °C: ±1,5 °C | 375 °C to 750 °C: ±0,004 |t| according to DIN IEC 60584 Class 1
Response time t63 / t99: information is available on request

Immersion thermocouple with head - Supply and output

Measuring element Thermocouple Type J
Measuring point Measuring point isolated
Measurement signal Thermovoltage

Immersion thermocouple with head - Ambient conditions

Protection class IP65 according DIN 60529 
Humidity and moisture condensation resistance according to application-specific qualification

Immersion thermocouple with head - Certificates and Standards

Standards DIN EN 61326-1:2013 | DIN EN IEC 63000:2019-05
Directive RoHS 2011/65/EU | 2014/30/EU
Certificates Certificate of suitability (on request)

Immersion thermocouple with head - Technical Drawing

C - Mounting length
All dimensions in mm

Immersion thermocouple with head - Protection sleeve

Material Stainless steel 1.4571 | 316TI
Diameter (mm)1} 6
Mounting length (mm)2} 50, 100, 150, 200, 250, 300, 400, 500
1} Tolerance ± 0,1 mm | 2} Tolerance ± 1% | Please note: For this type the mounting length is 15 mm longer

Immersion thermocouple with head - Connection head

Design Form B
Material Aluminium
W/H/Ø (mm) 76/82/70
Color RAL 9006 aluminium silver
Cable gland with strain relief
Cable electricial connection Screw terminals max. 2,5mm²
Clamping range (mm) 4,8 to 13
Sensor unit Fixed

Immersion thermocouple with head - Delivery

Assembly instructions by means of existing protection sleeve, mounting flange, thermowell or compression fitting.
Delivery and Packaging Probe, seperatly packaged in PE bag
Matching accessories Immersion sleeve, Heat-conducting paste, Compression fitting, Mounting flange, Cable

Immersion thermocouple with head - Important assembly advices

Measuring errors can occur due to heat dissipation to the environment. To keep these as small as possible, we recommend immersing the thermowell of your temperature sensor as deeply as possible into the medium to be measured during installation. The optimum installation depth should be 10-15 times the Ø of the thermowell or, when using a thermowell, the Ø of the thermowell. When installing in pipelines whose Ø does not have a sufficiently deep installation depth, you should install the probe either at an angle or in a pipe elbow. Make sure that there is sufficient space for the sensor to be removed. 1) Installation with sufficient installation depth 2) Installation at an angle with small pipe Ø 3) Not like this: Minimum installation depth not reached

Installation by means of compression fitting: Please tighten the union nut of the compression fitting by hand as far as it will go (clearly noticeable). For compression fittings with PTFE pressure ring, please make a 1/4 turn with a wrench suitable for the width across flats. These compression fittings can be used several times in this way. In the case of compression fittings with stainless steel cutting ring, the compression fitting connects to the protection tube. This connection is pressure resistant up to 40 bar. However, the compression fitting can only be used once. It must also be tightened more firmly. Please tighten it with 1 3/4 turns.

Mounting by means of mounting flange: Please make sure that the Ø of the mounting flange matches the Ø of the protective sleeve. For B-head fittings or very long protection sleeves, we recommend a stainless steel or aluminum mounting flange due to its stability.

Mounting by means of immersion sleeve (4): Please note that the Ø and the length of the immersion sleeve must be selected to match the installation situation so that the minimum immersion depth can be achieved. Since the sensor is not inserted directly into the medium, but via the immersion sleeve, the response times are somewhat slower. The sensor should be selected so that the thermowell touches the bottom of the immersion sleeve and the air cushion around the thermowell is as small as possible. The use of thermal paste can improve the response times.

Please lay the cable with reserve loop (5) and in such a way that no water can penetrate the sensor head. This allows you to extend the sensor without disconnecting the electrical connection.


Qualification measurement series to ensure the function of our temperature probes over their service life

Qualifizierungsmessreihe Robust even with temperature changes Temperature probes are exposed to harsh environmental conditions, such as changing temperatures and humidity, and should still work reliably in the field for 15 years or more. Checkmark
Qualifizierungsmessreihe Resistant to heat and humidity Extremely varying ambient conditions cause immense stress for the temperature probe and the design must be suitably robust and qualified.        
Qualifizierungsmessreihe Long-term stable in any weather Continuous exposure to sunlight, snow, fog, cold and ice shall not impair the function of the temperature probe and compliance with the specification.        
Qualifizierungsmessreihe Robust even under high vibration load Depending on the application, compressors and fans generate strong vibrations which are transmitted to components and cables. Therefore the used temperature probes have to be vibration resistant (20g). Checkmark
Qualifizierungsmessreihe Reliable in practice: high pull-out force The robust design ensures the necessary cable pull-out resistance, even under vibration and higher temperatures.        
Qualifizierungsmessreihe Efficient through short response time Depending on the application, short response times may be necessary to ensure efficient control of the system. Our sensor design is optimised for this requirement and we prove response times.        
Qualifizierungsmessreihe Corrosion-resistant even in salt spray Temperature probes are also used in coastal regions. For this reason, the temperature probes must also be able to withstand salty air for a lifespan of 15 years.        

Applicable for this probe type

Thermocouple: Type J Class 1
Temperature range: -40 °C to +750 °C
Connection head: Form B
industry: Glass industry, Heating technology, Machinery and apparatus engineering, Plastics industry, Power generation, Steel and iron industry
Related links to "Immersion thermocouple type J with B-Head"
Available downloads:
Read, write and discuss reviews... more
Customer evaluation for "Immersion thermocouple type J with B-Head"
Write an evaluation
Each consumer review is checked for authenticity before it is published, ensuring that reviews only come from consumers who have actually purchased/used the products being reviewed. The verification is carried out by manual checking in the form of a comparison of the rating with the order history of the merchandise management system in order to make a previous product purchase a necessary condition for publication.
I have taken note of the Privacy Policy.

The fields marked with * are required.

Tauchfühler mit B-Kopf 600 °C Vorderansicht Immersion probe with B-Head 600 °C
€64.55 *
Order number: 803311-5011
Add to shopping cart
Gerades Thermoelement Typ K mit B-Kopf Vorderansicht Immersion thermocouple type K with B-Head
€63.26 *
Order number: 803311-1211
Add to shopping cart
Doppelthermoelement Typ J mit B-Kopf - T Vorderansicht Double thermocouple type J with B-Head
€77.54 *
Order number: 805311-1111
Add to shopping cart
Doppelthermoelement Typ J mit J-Kopf - T Vorderansicht Double thermocouple type J with J-Head
€54.88 *
Order number: 805313-1111
Add to shopping cart
Tauchfühler mit B-Kopf 400 °C Vorderansicht Immersion probe with B-Head 400 °C
€58.08 *
Order number: 803311-4011
Add to shopping cart