Gas expansion thermometer NS 100/160, capillary

Type series FN2/FN3

Gas expansion thermometer NS 100/160, capillary - FN2/FN3


  • High quality case with bajonet ring NS 100/160, degree of protection IP 66
  • Nominal ranges -40 °C…700 °C, further nominal ranges from -200 °C...700 °C upon request
  • Case and wetted parts of stainless steel
  • Different connections can be supplied
  • Temperature detecting element 6, 8 and ≥ 10 mm diameter
  • Short immersion lengths of the temperature detecting element may be used
  • Accuracy class 1 as per EN 13190
  • Micro adjusting pointer for indication correction
  • Capillary isolates indicating unit from measuring point
  • EAC declaration (upon request)


  • Explosion protection (ATEX) for mechanical devices
  • Certificate of measuring equipment for Russian Federation
  • Calibration certificate as per EN 10204
  • Case with liquid filling
  • Electronical angle-of-rotation sensor, Type series PL1100, see data sheet D6-020
  • Connection to zone 0 with thermowells (upon request)

Technical Data

Constructional design / case
Design: High quality case with bajonet ring,
material: stainless steel mat.-no. 1.4301 (304)
Nominal size: NS 100 or NS 160
Degree of protection per EN 60529: IP 66
Case filling: Labofin
Further filling liquids upon request.
Case seal: Material gasket: NBR
Window: Non-splintering laminated glass.
Option: non-splintering plastic (Macrolon) with adjustable reference pointer
Movement: Stainless steel with compensation
Scale: Pure aluminium, white with black inscription. Alternatively with marking or fixed reference pointer.
Pointer: Pure aluminium, black
with micro adjustment for zero point correction
Mounting: Stand-alone mounting with wall bracket per DIN 16281, alternatively with flange for surface mounting or for flush mounting with DIN mounting flange.
Weights: Without capillary, screwing and temperature detecting element
  NS 100 without filling: approx. 1.0 kg
NS 100 with filling: approx. 1.3 kg
NS 160 without filling: approx. 1.5 kg
NS 160 with filling: approx. 2.1 kg
Process connection
Design: Temperature detecting element via capillary connected radially at bottom or at rear with indicating unit.
  Different connections can be supplied (see order details)
Measuring element
Measuring element: Bourdon tube, dead zone free with noble gas filling.
Temperature sensor
Temperature-detecting element Diameter 6, 8 and ≥ 10 mm. Standard lengths and active lengths see order details, further sizes upon request
  Material: stainless steel mat.-no. 1.4404 (316L)
Capillary: Available in different lengths, alternatively with sliding screwing. Coated with protective tube upon request.
  Material: stainless steel mat.-no. 1.4571 (316Ti)
Nominal range
Nominal range (EN 13190): -40…700 °C
  Measuring spans ≥ 60 °C, see order details
  Further nominal ranges from -200 °C up to 700 °C (no normal range) upon request.
Accuracy class: 1.0 per EN 13190
Temperature ranges
Ambient: Per EN 13190.
Ambient temperatures that deviate from EN are to be specified.
Storage and transport: -20…60 °C
  Further temperature ranges upon request.
Tests and certificates
See documents.
Instructions for use
The loading capacity of the temperature detecting element depends on the following parameters:
- Media
- Media pressure
- Media temperature
- Flow velocity
- Insertion length
- Material
A technical examination might be necessary as well as the use of a separate thermowell (Product group D5).
Information on other models see order details or upon request.
Further information to mounting and operation see Operating Instruction BA_017.
Type series
FN2430, FN3430, FN2630, FN3630, FN2330, FN3330, FN2530, FN3530


  • T2-036

    Data Sheet

  • BA_017

    Operating Instruction

  • XA_005

    Ex Instructions

  • KE_053

    Declaration of Conformity