Thermocouple with connection head with fitting and reduction - ATEX explosion-proof *Step required

In production :  1 to 3 weeks
  • Design temperature range: -40 .. + 800 ° C
  • Technological process installations in all industries
  • Installation in hazardous areas:
    Gases, vapors, mists (G): Zone 0, 1, 2
    Dust (D): Zone 20, 21, 22
    Mining: M2 
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  • Single and double TC
  • Interchangeable mineral insulated measuring insert
  • Machined solid glove well (drilled) suitable for high pressures
  • Thermowell diameters: customized, according to customer specifications
  • Thermowell material: stainless steel 1.4541 (AISI321) or other
  • ATEX cable gland I M2, II GD, IP65 (cable diameter Ø5..10mm)
  • Output signal: TC or 4..20 mA (option)

Assembly instructions

Signed sensors ex.jpg II 1/2G IIC T6 ÷ T5  et e.g. jpg II 1 / 2D Ex tD A20 IP65 TX  have been designed for temperature measurement in all gas, liquid, mist and dust explosion zones. In zone 0 or 20 can only be a protection tube. The connection head can only be in zones 1 (21) or 2 (22). The boundary between the zones is the threaded connection.

Signed sensors ex.jpg II 2G IIC Tx  et ex.jpg II 2D Ex tD A20 IP65 TX  have been designed for temperature measurement in zones 1 (21) and 2 (22).


The sensor consists of an interchangeable measuring insert, a drilled thermowell, a neck and an aluminum connection head where the mounting of a temperature transmitter with a 4-20 mA output signal / HART® or Profibus®PA is possible.

The measuring insert is the replaceable part of the complete sensor which reduces the time and cost of maintaining the measuring device installed in the object. The spring-loaded attachment of the measuring insert provides perfect pressure at the bottom of the protection tube, reduces reaction time to temperature changes and increases measurement accuracy and reduces natural vibrations, thus avoiding mechanical and electrical faults .

The length and design of the thermowell, the connection head as well as the type and number of sensors and the accuracy can be individually selected for the respective application.

Temperature transmitter (option)

The transmitter is mounted inside the sensor connection head, directly on the measuring insert.

Type GW1 aluminum, M20x1,5 cable gland
Type GW2 aluminum, 2 x cable gland M20x1,5
Type GW3 aluminum, M20x1,5 cable gland, with window for local LED display (LPI-02)
Type GW4 aluminum, 2 x cable gland M20x1,5, with window for local LED display (LPI-02)
Type S1 stainless steel, M20x1,5 cable gland
Type S2 stainless steel, 2 x cable gland M20x1,5


Product Type
2x Thermocouple
Maximum operating temperature
15 mm
19mm with reduced tip 15mm
Connection type
1/2 "NPT
3/4 "NPT
Terminal block probe
Thermocouple type
Cable length
With terminal block
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