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Reference GKTG8 / RR

Sensor type KTG 8 / R

Sensitive element type all types

Temperature difference

-40 ° C to 120 ° C (measuring range can be extended - see modifications)

Protection class IP 67 according to EN 60529

Case diameter 5,8 ± 0,1mm

Case length L 40 to 100 mm

Housing material stainless steel DIN 1.4301

Shielded RADOX input cable 2 x 0,5 mm2

RADOX shielded 4 x 0,5 mm2

Wire resistance

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

Response time τ0,5 <7 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 * 1,95 x 106 h

* 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 (possible according to NFPA 130)


The KTG 8 / R 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 -40 ° C to 120 ° 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 conforms to the degree of protection IP 67 according to standard EN 60 529, as amended.

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


thermowell JTG 8


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. The materials also meet the requirements of the NFPA 130 fire safety standard, as amended.

- variable rod design - length L

- possibility of coating two sensitive elements

- Class-leading precision (except for Ni 10000/5000, Ni 10000/6180, T1 = Ni 2226, NTC 20 kΩ)

- possibility of coating non-standard temperature sensors (DALLAS, TSiC, KTY, SMT, TC etc.)

If the shielded silicone cable is changed (not in accordance with standard EN 45545-2):

- temperature range -50 ° C to 200 ° C

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