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Description and application


The converters of the type KSTUD are intended for converting the signal of the Pt 100/3850 or Pt 1000/3850 resistance-type temperature sensing elements to a unified signal 0 to 10 V. These converters can be utilised in any control system compatible with 0–10 V voltage output. Standard Measuring ranges of the converter are listed in the specifications table. Operating temperature range is -40 to 80 °C. These limits must not be exceeded even for a short time.

The sensors are designed to be operated in a chemically non-aggressive environment.


  • The type tests are carried out by a notified body according to EN 50155 standard, as amended, Railway applications – Electronic equipment used on rolling stock, Art. 12.2.9, 12.2.11

- Electromagnetic Compatibility in accordance with EN 50121-3-2, as amended

- Insulation test in accordance with EN 50155, as amended

- Shock and vibration tests in accordance with EN 61373, as amended

The material of the plastic box and PCB meets a set of requirements for the R 24 materials according to the Table 5 for the fire hazard level HL1-HL2-HL3 of the EN 45545-2 standard, as amended. Can be supplied with materials complying with fire safety standard NFPA 130, as amended.

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The final metrological inspection – comparison with standards or working instruments – is carried out for all the products. Continuity of the standards and working measuring instruments is ensured within the meaning of the Section 5 of Act no.505/1990 on metrology. The manufacturer offers a possibility to supply the sensors calibrated in SENSIT s.r.o.’s laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an Accredited laboratory.


  • Specifications
  • Wiring diagram
  • Dimensional draft
  • Download
Type of convertor KSTID Pt 100 KSTID Pt 1000
Input signal Pt 100/3850 Pt 1000/3850
Output signal 0 to 10 V
Standard measuring range

-30 °C to 60 °C
0 °C to 100 °C
0 °C to 150 °C
0 °C to 200 °C
other according customer

Power supply 15 to 30 VDC
Nominal supply voltage Un 24 VDC
Measurement error < 0.6 % of the measuring range, minimum 0.5 °C
Ambient temperature -40 °C to 80 °C
Box material LEXAN (fulfield standard EN 45 545)
Ingress protection box / terminal board IP 20 / IP 00 according to EN 60 529
Output voltage for sensing element break > 14 V
Output voltage for sensing element short ~ 0 V
Mean working life≈ MTTF* 1.95 x 106 hrs, based on a theoretical calculation

*) Under the environmental and operational conditions specified in appoved testing methodology

Shock and vibration tests category 1, class B in accordance with EN 61373
Elektromagnetic compatibility in accordance with EN 50121-3-2
Insulation test 1.5 kVDC for time 1 minute in accordance with EN 50155
Fire protection resistance
in accordance with EN 45545 (possible acc. to NFPA 130)

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Datasheet - Temperature to voltage KSTUD
Datasheet - Temperature to voltage KSTUDDatasheet - Temperature to voltage KSTUD
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