Fast response time resistance thermometer with display and connection - ATEX Exi / Exd *Step required

In production :  1 to 3 weeks
  • Measuring range: -200 .. + 600 ° C
  • Tank construction
  • Technological process installations in all branches of industry
  • Machine building
  • Ventilation and air conditioning systems
  • Heating installations
  • Installation in an external thermowell 
Your configuration:

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  • The easy-to-read 60mm diameter display provides a clear indication of the scale of your process, supported by a radial bar graph.
  • Three optical buttons that work even in difficult conditions (option)
  • Easy-to-follow menus guide you through programming with scrolling help texts
  • HART® 7 functionality with HART® 5 compatibility
  • Spring-loaded measuring insert ensures reliable contact with the thermowell
  • Diameter of the measuring insert: Ø3, Ø4,5, Ø6 mm or other on request
  • Sheath material: AISI316 (1.4401) stainless steel
  • High precision over the entire operating temperature range

Assembly instructions

Signed sensors ex.jpg II 1/2G  et ex.jpg II 1/2D 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 et ex.jpg II 1/2D have been designed for temperature measurement in zones 1 (21) and 2 (22).


The sensor consists of an interchangeable measuring insert, a process connection, a neck and a field-mounted PR7501 temperature transmitter.

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 .

Insertion length, process connection, neck length and connection head can be individually selected for the respective application. 

The details that make the difference

The field mounted HART® PR7501 temperature transmitter with display and optical buttons allows easy programming, service and diagnosis from the front of the sensor. The sensor display can be rotated in 90 degree increments for easy vertical or horizontal viewing.

Image Optical buttons
5_8.png Without


Product Type
2x Pt100
2x Pt500
2x Pt1000
Number of threads
Maximum operating temperature
Class A + -0.15 ° C
Class B + -0.3 ° C
3 mm
4.5 mm
6 mm
Connection type
1/2 "NPT
G1 / 2 "
M20 x 1.5
With display
Terminal block probe
tube length
100 mm
150 mm
200 mm
250 mm
Cable length
With terminal block
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