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Reference GKTG12R

Sensor type KTG 12

Type of sensitive element Pt 100/3850, Pt 1000/3850

Temperature difference

-50 ° C to 200 ° C

Protection class IP 67 according to EN 60529

Case diameter 2 ± 0,1mm

Case length L 25 to 60 mm

Housing material stainless steel DIN 1.4301

4 x 0,02 mm2 (4 x AWG 34) unshielded teflon input cable

Wire resistance 0,07 Ω for 1 m of cable for 2-wire connection

Response time τ0,5 <1,5 s (in running water at 0,4 ms-1)

Isolation resistance

> 200 MΩ at 500 VDC, temperature 25 ° C ± 3 ° C, humidity <80%

Average life ≈ MTTF * 1,2 x 105 h - based on a theoretical calculation

* Under the environmental and operational conditions specified in the approved test methodology.


Category 2 shock and vibration tests according to EN 61373

Insulation test 4 kVDC for 1 minute according to EN 50155

Fire resistance

according to EN 45545


The KTG 12 resistance temperature sensor is designed for measuring the temperature of gaseous or liquid substances. In the application segment of railway vehicles, it is intended for use, for example, in the air conditioning system and the temperature control system.

The operating temperature range of the sensor is -50 ° C to 200 ° C. The sensor can be used for all control systems compatible with the types of detection elements listed in the technical parameters table. The sensor complies with the protection index IP 67 according to EN 60 529. The housing diameter of 2 mm guarantees a rapid response of the sensor to temperature changes.

The sensors are intended to operate in a chemically non-aggressive environment.


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

- Insulation test according to EN 50155, as amended

- Shock and vibration tests according to EN 61373, as amended

The product meets the parameters in accordance with EN 45545-2, as amended, Fire protection of railway vehicles - Part 2: Requirements for the fire behavior of materials and components.

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