Bimetal thermometer NS 100, switch function, radial bottom/centre back connection

Type series FP2300

  • EX
Bimetal thermometer NS 100, switch function, radial bottom/centre back connection - FP2300


  • Case and wetted parts of stainless steel
  • Different connections can be supplied
  • Accuracy class 1 or 2 as per DIN 16196, depending on range
  • Micro adjusting pointer for indication correction
  • Switch functions (electrical contact device) per DIN 16196: slow acting contact; magnetic snap contact; inductive contact devices


  • Explosion protection
  • Material certificate per EN 10204
  • Connection to zone 0 with thermowells upon request

Technical Data

Constructional design / case
Case high quality bayonet ring case NS 100
material: st. steel mat.-no. 1.4301 (304)
Degree of protection (EN 60529) IP 66
Measuring element helix from thermostatic bimetal per DIN 1715 with good adjusting power and fast acting, thermally aged, base and connection piece laser welded
Temperature detecting element stainless steel mat. no. 1.4571 (316Ti). Diameter 6 and 8 mm. Can be supplied in standard lengths, see order details; other
sizes upon request.
Process connection rigid temperature detecting element, vertical resp. axial protruding at rear. Different connections available, see order details.
Pointer shaft stainless steel mat.-no. 1.4571 (316Ti), with multiple bearings
Scale pure aluminium, white with black inscription
Pointer pure aluminium, black with micro adjusting device for zero-point correction
Window instrument glass, alternatively macrolon with contact lock
Case seal sealing ring: Perbunan
Nominal ranges per EN 13190 see order details. Special ranges upon request.
Accuracy see table in data sheet T3-025
Ambient temperature per EN 13190 ambient temperatures that deviate from EN
are to be specified
Storage and transport temperature per EN 13190 max. -20...+60 °C
Electrical connection connection plug with cable gland M 20 x 1.5 and removable test cover, mat. Macrolon
Switch function Touch contacts or inductive contact see order code. Further technical details see operating instructions BA_066 and TA_039.
Weight DN 100: approx. 0.6 kg
Instructions for use The loading capacity of the temperature detecting element depends on the following parameters:
1. measured medium
2. measured medium pressure
3. measured medium temperature
4. flow velocity
5. immerison length
6. material
A technical test is necessary where required.
Information on other models upon request or see order details
Tests and certificates
See documents
Type series
FP2300, FP2301, FP2400, FP2401


  • T3-025

    Data Sheet

  • BA_066

    Operating Instruction

  • XA_013

    Ex Instructions - Gauges with slot-type initiators (type SJ2-N and SJ3,5-N)

  • XA_014

    Ex Instructions - Gauges with slot-type initiators (type SJ2-SN and SJ3,5-S(1)N)

  • XA_021

    Ex Instructions - Gauges with magnetic snap contact

  • ZER_028

    Certificate - ATEX (inductive contact P+F SJ2-N SJ3,5-N)

  • ZER_029

    Certificate - ATEX (inductive contact P+F SJ2-SN SJ3,5-SN)

  • TA_039

    Technical Information - Switch function in pressure and temperature devices

  • KE_053

    Declaration of Conformity