Gas expansion thermometer NS 100/160, switch function, clip-on bulb

Type series FU2460

  • EX
  • SIL2
Gas expansion thermometer NS 100/160, switch function, clip-on bulb - FU2460


  • Case, measuring system and clip-on bulb of stainless steel
  • Simple mounting without thermowell
  • Accuracy class 1 or 2 as per DIN 16196, depending on range
  • Micro adjusting pointer for indication correction
  • Design: bulb fixed welded; indicating unit positioning by rotating the bulb; with capillary (indicating unit independent of measuring point)
  • Switch functions (electrical contact device) per DIN 16196: slow acting contact; magnetic snap contact; inductive contact devices


  • Case with liquid filling
  • Explosion protection
  • Classification per SIL2
  • Material certificate per EN 10204

Technical Data

Constructional design / case
Case high quality bayonet ring case NS 100/160, material: st. steel mat.-no. 1.4301 (304)
Degree of protection (EN 60529) IP 66
Measuring element bourdon tube dead zone free with inert gas filling
Capillary stainless steel material no. 1.4571 (316Ti) in different lengths, with buckling protection, coated with protective tube upon request
Clip-on temperature detecting element stainless steel material no. 1.4404 (316L), to fit pipe resp. circular form.
Suited for fast installation on pipe diameter approx. 25...150 mm
Case filling liquid filling Labofin
Process connection rigid clip-on temperature detecting element, radially protruding at bottom, or centrically at rear for horizontal resp. vertical piping; alternatively with capillary
Movement stainless steel with compensation
Scale pure aluminium, white with black inscription.
Option: with marking
Pointer pure aluminium, black with micro adjusting device for zero-point correction
Window non splintering laminated glass. Option: non splintering plastic (Macrolon) with contact lock
Case seal sealing ring: Perbunan
filling plug: Desmopan
Nominal ranges per EN 13190, however max. up to 250 °C
Accuracy class data per DIN 16196 (depending on range) for all temperature detecting elements with diameter d5 and standard immersion length l1 see data sheet T3-030
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 devices see order code. Further technical details see operating instructions BA_066 and TA_039.
Mounting stand-alone mounting with wall bracket ; alternatively with flange for surface mounting or for flush mounting with DIN mounting flange
Weights DN 100, without filling: approx. 1.3 kg
DN 100, with filling: approx. 2.1 kg
DN 160, without filling: approx. 2.1 kg
DN 160, with filling: approx. 4.4 kg
Tests and certificates
See documents
Type series
FU2460, FU2561, FU3460, FU3461, FU2660, FU2661, FU3660, FU3661, FU2360, FU2361, FU3360, FU3361, FU2560, FU2561, FU3560, FU3561, FU2440, FU2441, FU3440, FU3441, FU2640, FU2641, FU3640, FU3641, FU2420, FU2421, FU3420, FU3421, FU2620, FU2621, FU3620, FU3621


  • T3-030

    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

  • HE_088

    Manufacturer Declaration - Magnetic Snap Contact

  • KE_053

    Declaration of Conformity