Resistance thermometer Pt100 without thermowell

Type series GA2500

  • EX
  • SIL2
  • GL
Resistance thermometer Pt100 without thermowell - GA2500


  • Resistance thermometer for additional thermowell
  • Pt100 connection 3- and 4-wire technology
  • Measuring insert interchangeable
  • Measuring insert 1 x Pt100 or 2 x Pt100
  • Various designs available


  • Explosion protection
  • Classification per SIL2
  • DNV GL approval
  • Transmitter can be integrated
  • Measuring insert for In-process calibration

Technical Data

Constructional design / case
Mechanical design: Measuring insert interchangeable with connection head and neck-tube
Connection head: selective
- model B, cap with 2 slotted screws, mat. aluminium, IP 54
- model BUZH, high spring cover with slotted screw, mat. aluminium, IP 65
- fiel housing Ø 60 mm, screw cap, stainless steel mat.-no. 1.4305 (303), IP 67
further connection heads upon request
Neck-tube: stainless steel 1.4571 (316Ti)
neck-tube Ø 9 mm
reinforced design Ø 11 mm
length and connection see order details
Measuring insert: Material stainless steel, interchangeable, DIN 43735
measuring insert Ø 6 mm
resistor Pt 100 according to DIN EN 60751
Optional: Measuring insert with connection socket per DIN 43735 and with additional test pipe for In-process calibration.
Material: stainless steel, mat..-no. 1.4571 (316 Ti) (see data sheet T4-025-45)
Type of sensor/class/circuit: see order details
Functional safety: per EN 61508, classificatio per SIL2;
without transmitter, only
GL approval (German Lloyd): per certificat no. 60208-09 HH
Accuracy of the measuring resistor: class A according to EN 60751
Integrated transmitters: suitable Pt100 transmitters can be integrated into the connection head.
a) instead of terminal block
b) mounting in the spring cover of the connection head BUZH
  see product group T4 for analog or digital transmitters
LED-on-site indication programmable LED-on-site indication for stainless steel fiel housing (Ø 60 mm), see data sheet M6-031.
Tests and certificates
See documents
Type series
GA2500, GA2501


  • T4-025-1

    Data Sheet

  • BA_015

    Operating Instruction

  • XA_002

    Ex Instructions - BVS 04 ATEX E 144 X

  • XA_003

    Ex Instructions - IBExU 13 ATEX 1017 X

  • XA_025

    Ex Instructions - ex-protection nA

  • SA_005

    SIL Instructions - Resistance thermometer

  • ZER_021

    Certificate - ATEX

  • ZER_034

    Certificate - EHEDG

  • ZER_048

    Certificate - DNV-GL

  • ZER_082

    Certificate - IBExU

  • TA_033

    Technical Information

  • KE_005

    Declaration of Conformity


Go back