Temperature sensor – GEL 2161

Platinum resistance thermometer Pt100/Pt1000

Temperature sensor “Made in Germany” for high quality, durability, and process reliability
Robust Pt100/Pt1000 temperature sensor for precise and reliable temperature measurementfrom -40 °C to +250 °C
Connection 2-, 3- and 4-wire circuitsfor application specific measuring accuracy
Stainless steel measuring tube available in lengths of 30 mm to 140 mm
Flexible integration thanks to customized designs

Inquiry & Support

Technical information

Properties

Compact and sturdy sensor for use in harsh and confined applications
Brass flange with customized special shapes
Customized assembly options
In accordance with a range of standards and requirements for a variety of applications:
Technical data - Environmental test

Advantages

Optimized lifecycle cost
Maintenance and wear-free
Space-saving and compact
Simple integration
Easy to assemble

Downloads

Product	Document	Languages
GEL 2161	Technical information	DE EN
GEL 2161	Product information*	DE/EN

Registration required

Fields of application

Railroad technology

Measurement of stator temperature on the electric traction motor
Monitoring of lubricating oil temperature in the gear and traction motor
Temperature control of bearings on the wheel set
Determination of various temperature values for bogie monitoring

Maritime applications

Monitoring of lubricating oil temperature in marine engines, gears, and generators
Measurement of exhaust gas temperatures in engines and turbochargers
Monitoring of cooling water temperature in engines

Commercial vehicles

Monitoring of lubricating oil temperature in engines and gears
Temperature measurement of bearings in gears

Industrial applications

Monitoring of bearing temperature in pumps, compressors, and fans
Measurement of oil and coolant temperature in hydraulic systems
Temperature control in conveyor and mixing systems for process optimization

Power generation

Measurement of exhaust gas temperature in turbines and generators
Monitoring of coolant temperature in power plants
Temperature acquisition on transformers and switchgears for condition monitoring

Chemical and process industry

Control of process temperature in reactors, evaporators, and distillation columns
Measurement of media and pipeline temperatures in production facilities
Monitoring of temperature in storage tanks and heat exchangers

Dimensional drawings

Cable outlet type K- Kabel ohne Kabelschutz

LK: Cable length (defined in the type code)
LM: Measuring tube length (defined in the type code)
LS: Length of heatshrink sleeve: up to 40 mm. The cable cannot be bent in this area.

Cable outlet type W

LK: Cable length (defined in the type code)
LM: Measuring tube length (defined in the type code)
LS: Length of heatshrink sleeve: up to 40 mm. The cable cannot be bent in this area

All dimensions in mm [inch]

Technical data

Measuring element	C	M
Temperature sensor data
Measuring element as per DIN EN 60751: 2009-05	Pt100	Pt1000
Measuring range	-40 °C to +250 °C
Tolerance class	F 0,3 (DIN EN 60751: 2009-05)
Measuring current	0.3 to 1 mA
Mechanical data
Flange material	Brass
Measuring tube material	Stainless steel
Measuring tube diameter	5 mm
Measuring head active length	10 mm
Measuring tube length L_M	30 to 140 mm
Earth (incl. 2 m cable)	approx. 100 g
Environmental tests
The speed sensor complies with a range of standards and requirements for a variety of applications: Technical data - Environmental test

Cable type	A	B	C
Cable data
Temperature range	-40 °C to +150 °C	-40 °C to +120 °C
Cable	PTFE and screened	halogen-free and screened
Cable diameter	3.8 ± 0.3 mm	4.8 ± 0.3 mm	5.7 ± 0.3 mm
Cable cross section	4 x 0.22 mm²	4 x 0.14 mm²	4 x 0.34 mm²
Minimum bending radius static/dynamic	10 x cable diameter
Flammability	-	DIN EN 45545-2:2013 for hazard level HL1-3, R15 (EL1A)

Flexible conduit data
Temperature range	-40 °C to +95 °C permanent, short-time +150 °C
Outside diameter	13 mm
Bending radius static/dynamic	20 mm / 50 mm
Flammability	DIN EN 45545-2:2013 for hazard level HL2 (R22 & R23)

Environmental test

	Rail vehicle industry	Maritime applications	Industrial applications
Working and operating temperature	-40 °C to +120 °C
Storage temperature	-40 °C … +120°C
General industry standard	DIN EN 50155:2022-06	DNV-CG-0339	depending on the application
Dielectric strength	500V AC / 750V DC DIN EN 50155:2022-06	DNV-CG-0339	500V AC
Electromagnetic compatibility	DIN EN 50121-3-2:2017-11	DNV-CG-0339	IEC 61000-6-2:2016 IEC 61000-6-4:2016
Vibration resistance	DIN EN 61373:2011-04 Cat. 3	DNV-CG-0339	IEC 60068-2-64:2008 IEC 60068-2-6:2008
Shock resistance	DIN EN 61373-2011-04 Cat. 3	DNV-CG-0339	IEC 60068-2-27:2008
Fire protection	DIN EN 45545-2:2023-12 NFPA 130 upon request	IMO 2010 FTP	upon request
Degree of protection on measuring side	IP68
MTTF value	2.000.000 bei 55 °C