GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68

Temperature Sensor

GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68 Temperature Sensor
GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68 Temperature Sensor
GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68 Temperature Sensor

GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68 Temperature Sensor

TRG 5-6.. temperature sensors are used in combination with TRS 5-50 and TRS 5-52 temperature switches or the TRV 5-60 temperature transmitter for measuring the tem- perature in steam and hot water.

Each TRG 5-63, TRG 5-65, TRG 5-66 and TRG 5-67 temperature sensor has a Pt100 platinum resistance thermometer.

On the other hand, TRG 5-64 and TRG 5-68 temperature sen- sors each feature two Pt100 platinum resistance thermom- eters for the connection of additional indicating equipment.

The ohmic resistance of the resistance thermometer changes as a function of the temperature. When supplied with a constant current, the voltage produced due to the change of resist- ance is measured in the temperature switch or temperature transmitter, and further processed.

The temperature sensor can be used as a measuring transducer for

  • a safety temperature monitor/limiter, in combination with the TRV 5-60 temperature transmitter and URS 60/61 control unit
  • a temperature monitor/limiter, in combination with the TRV 5-60 temperature transmitter and URS 60/61 control unit
  • a safety temperature monitor/limiter, in combination with the TRS 5-50 temperature switch
  • a temperature monitor in combination with the TRS 5-52 temperature switch.

Functional safety as per IEC 61508
Incombination with the TRG 5-6 .. temperature sensors, the TRS 5-50 temperature switch and TRV 5-60 temperature transmitter (with URS 60/61 control unit) are certified to IEC 61508. This standard describes the functional safety of electrical, electronic and programmable electronic safety- related systems.

The TRG 5-6.. + TRS 5-50 combination produces a Type B subsystem with safety integrity level (SIL) 3.

The TRG 5-6.. + TRV 5-60 combination (with URS 60/61) produces a Type B subsystem with safety integrity (SIL) 3.

Sensor unit (3-wire connection)

TRG 5-63

  • x Pt100 to EN 60751, Class A

TRG 5-64

  • x Pt100 to EN 60751, Class A

TRG 5-65, TRG 5-66

1 x Pt100 to EN 60751, Class A up to 300 °C, Class B > 300 °C

TRG 5-67

  • x Pt100 to EN 60751, Class A

TRG 5-68

  • x Pt100 to EN 60751, Class A

Service pressure, service temperature

TRG 5-63

Nominal length 100, 160, 250 mm

36 bar at 251 °C Nominal length 400 mm 18 bar at 400 °C

TRG 5-64

Nominal length 100, 160, 250 mm

36 bar at 251 °C Nominal length 400 mm 18 bar at 400 °C

TRG 5-65, TRG 5-66

160 bar at 345 °C

120 bar at 540 °C

TRG 5-67, TRG 5-68

150 bar at 600 °C

Admissible flow velocity

TRG 5-63, TRG 5-64

Air 25 m/s

Superheated steam 25 m/s

Water 3 m/s (nominal length 400 mm: 2.4 m/s)

TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68

Air 60 m/s

Superheated steam 60 m/s Water 5 m/s

Mechanical connection

TRG 5-63, TRG 5-64

Thread G ½, ISO 228-1

TRG 5-65

Welding sleeve, form 4

TRG 5-66

Welding sleeve, form 4

TRG 5-67, TRG 5-68

Welding sleeve, form 4

Length of protective tube

see Dimensions

Materials

TRG 5-63, TRG 5-64

Protective tube 1.4571, X6 CrNiMoTi 17 122

TRG 5-65, TRG 5-66

Welding sleeve, 1.7335

TRG 5-67, TRG 5-68

Welding sleeve, 1.4961

Ambient temperature at terminal box

Max. 70°C

Protection

IP 65 to EN 60529

Cable entry, electrical connection

EMC cable gland with integrated strain relief M 20 x 1.5

GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, TRG 5-68

Temperature Sensor

GESTRA: The Ultimate Solution for Industrial Steam & Fluid Control Systems

High Precision • Industrial Reliability • German Engineering

The GESTRA TRG series temperature sensors, including TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, and TRG 5-68, are engineered for accurate temperature measurement in industrial steam, boiler, and process systems. Designed with German engineering precision, these sensors provide highly reliable readings, long-term stability, and seamless integration with GESTRA control systems.

Trusted worldwide, the TRG series ensures your boiler and industrial processes operate efficiently, safely, and consistently.

✔ High Accuracy & Reliability

Precisely measures temperature for boilers, steam systems, and industrial processes, minimizing errors and improving process control.

✔ Wide Industrial Applications

Ideal for steam boilers, heating plants, chemical processes, food & beverage, pharmaceuticals, and energy systems.

✔ Seamless Integration

Compatible with GESTRA controllers, conductivity sensors, and automated control systems for smooth operation.

✔ Durable & Industrial-Grade

Built to withstand high temperatures, pressure, and harsh environmental conditions.

✔ Easy Installation & Maintenance

User-friendly design ensures minimal downtime and simple integration into existing systems.

  • Accurate temperature measurement across industrial ranges

  • Robust construction for extreme industrial conditions

  • Quick-response sensors for real-time monitoring

  • Wide compatibility with GESTRA LRR, LRG, and URB series controllers

  • Long-term stability with minimal drift

  • Maintenance-friendly design for continuous operation

These features make the TRG series the ideal solution for operators seeking high-performance temperature sensors in demanding industrial applications.

✔ Steam Boiler Systems

Maintain optimal temperature and improve steam quality.

✔ Industrial Heating Plants

Ensure safe and efficient heating for large-scale operations.

✔ Chemical and Petrochemical Industries

Precise temperature monitoring for sensitive processes.

✔ Food & Beverage Processing

Maintain process integrity and product quality with accurate temperature readings.

✔ Pharmaceutical Production

Comply with strict regulatory standards for temperature-controlled processes.

✔ Power Plants & Energy Systems

Monitor boiler and steam system temperatures for maximum efficiency and safety.

Wherever temperature accuracy, reliability, and durability matter, GESTRA TRG series sensors are the preferred solution.

  • Improved Process Efficiency – accurate temperature control optimizes energy use.

  • Enhanced Safety – prevents overheating and equipment failure.

  • Reduced Maintenance Costs – robust sensors last longer with minimal intervention.

  • Reliable Integration – works seamlessly with GESTRA monitoring and control systems.

  • Consistent Product Quality – precise temperature measurement ensures reliable outputs.

  • Industrial Compliance – built to meet high safety and operational standards.

GESTRA has decades of experience in steam and boiler technology, and the TRG series reflects this expertise. Compared to generic temperature sensors:

  • Designed specifically for industrial steam and boiler systems

  • Longer service life and higher reliability

  • High tolerance to extreme temperatures and pressures

  • Precise calibration ensures minimal measurement drift

  • Compatible with a wide range of GESTRA controllers and electrodes

This makes TRG 5-63 to TRG 5-68 the trusted choice for industrial operators worldwide

We supply 100% authentic GESTRA TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67, and TRG 5-68 Temperature Sensors, complete with:

  • Original factory-sealed packaging

  • Full technical documentation and support

  • Expert guidance for installation and integration

  • Fast worldwide shipping and competitive pricing

  • Bulk order discounts available

Ensure optimal performance, safety, and efficiency in your industrial systems with GESTRA TRG series temperature sensors.

👉 Contact us now to request pricing, technical advice, or bulk order details.

Trust GESTRA for precision temperature control in boilers, steam systems, and industrial processes

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