GESTRA LRR 1-52, LRR 1-53 Operating & Display Unit URB 50 / 55

GESTRA LRR 1-52, LRR 1-53 Operating & Display Unit URB 50 / 55 Conductivity Controller

GESTRA LRR 1-52, LRR 1-53 Operating & Display Unit URB 50 / 55 Conductivity Controller

The TRV5-60 temperature transmitter is designed for the connection of a TRG 5-6x temperature sensor (platinum resistance thermometer Pt100 to EN 60751), to enable the redundant acquisition and monitoring of its measured values. The measured temperature and any system malfunctions that occur are displayed directly on the TRV5-60 temperature transmitter, and made available via the CAN bus as a con- verted data telegram.

The temperature transmitter can be used as:

  • A safety temperature limiter/monitor in combination with a TRG 5-6x temperature sensor and URS 60/URS 61 safety control units.

Safety temperature limiters or monitors switch off the heating when the maximum admissible temperature is reached. Method of operation TYPE 2.BKP (+JV, with external lock) to EN 60730-1.

Visualisation and operation take place via the URB 60 or SPECTORcontrol operating unit.

Combinations of these units can be used as monitors or limiters in steam boiler and hot-water plants.

In combination with the URS 60 / URS 61 safety control unit, the TRV5-60 temperature transmitter is suitable for safety functions up to SIL 3.

It is an element of a safety circuit up to SIL 3 as per IEC 61508 in the SPECTORconnect system, and can transmit alarm notifications.

The TRV5-60 temperature transmitter has a dedicated TRG 5-6x temperature sensor, the readings of which are recorded and monitored redundantly.

The actual temperature is displayed on the temperature transmitter itself, as are any system malfunctions that occur.

The temperature in the transmitter terminal box is continually monitored by a temperature sensor on the PCB.

Behaviour in the event of alarms (limit values)

The alarm state is displayed on the TRV5-60 and transferred to the URS 6x safety control unit via CAN bus. After the delay time, the safety control unit switches off the connected safety circuit. The safety control unit does not lock independently during this process.

The following error messages:

  • Sensor malfunction
  • Communication failure

provoke an undelayed break in the safety circuit.

Automatic self-test

An automatic self-test periodically monitors the safety and function of the temperature sensor and measured value acquisition.

The data are transferred to the URS 60/URS 61 safety con- trol unit in the form of a black channel data telegram via the CANopen protocol using a CAN bus to ISO 11898, and saved there.

Supply voltage

  • 24V DC ± 20%

 

Power consumption

  • 7 W

 

Current input

  • 0.3 A

 

Internal fuse

  • T2A

 

Safety cutout at excessive temperature

  • Cutout occurs when an excessive temperature of 75°C is measured in the electrode tip

 

Input/output

  • Interface for CAN bus to ISO 11898, CANopen, insu- lated
  • M12 CAN bus connector, 5-pin; A-coded
  • M12 CAN bus socket, 5-pin, A-coded

 

Measuring range and adjustable AL.Hi limit in °C (cutout temperature)

  • Measuring range: 0 °C to 700 °C
  • Minimum limit: 20 °C
  • Maximum limit: 650 °C
  • Reset hysteresis: -2 K

 

Indicators and controls

  • 1 x 4-digit green 7-segment display for showing actual values and status information
  • 1 x red LED for displaying the alarm or error state
  • 1 x green LED for displaying normal operation
  • 1 x rotary knob IP65 with button for menu navigation and test function

 

Protection class

  • III Safety Extra Low Voltage

 

IP rating to EN 60529

  • IP 65

 

Admissible ambient conditions

  • Ambient temperature: 0 °C – 70 °C
  • Storage temperature: – 40 °C – 80 °C
  • Transport temperature: – 40 °C – 80 °C
  • Air humidity: 10 % – 95 % non-condensing

 

Terminal box

  • Terminal box material: Cast aluminium, powder-coated

Housing attachment: using the supplied mounting bracket

GESTRA LRR 1-52, LRR 1-53 Operating & Display Unit URB 50 / 55

Conductivity Controller

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

High Accuracy • German Engineering • Reliable Process Control

The GESTRA TRV5-60 Temperature Transmitter is a high-precision industrial transmitter engineered for accurate and stable temperature measurement in steam systems, boilers, and demanding industrial processes. Built with GESTRA’s renowned German technology, the TRV5-60 offers exceptional reliability, long-term stability, and seamless integration with GESTRA monitoring and control systems.

Designed for industries that require absolute precision and safety, the TRV5-60 ensures accurate temperature readings that optimize efficiency, reduce downtime, and maintain the integrity of your operations.

High-Accuracy Temperature Measurement

Engineered for precise temperature monitoring in steam boilers, heating systems, and industrial processes—ensuring stable and reliable operation.

Built for Harsh Industrial Environments

Constructed using robust, corrosion-resistant materials to withstand high temperatures, pressure variations, and long-term exposure in demanding conditions.

Seamless Compatibility With GESTRA Systems

Integrates flawlessly with GESTRA controllers, sensors, and automation systems for complete process control.

Long-Term Measurement Stability

Minimal drift, low maintenance, and dependable performance over extended periods.

Simple Installation & User-Friendly Integration

Designed for easy mounting and fast connection to existing instrumentation setups.

  • High-accuracy temperature sensing for industrial applications

  • Rugged stainless-steel construction for maximum durability

  • Fast response time for real-time temperature monitoring

  • Resistant to vibration, extreme heat, and pressure fluctuations

  • Optimized for continuous operation and minimal maintenance

  • Compatible with digital control units and process automation systems

  • Provides reliable data for steam, water, and thermal system regulation

The TRV5-60 is ideal for industries that require high-precision temperature control:

✔ Steam and boiler systems

✔ Heating plants and district heating

✔ Industrial thermal processes

✔ Chemical and petrochemical plants

✔ Food & beverage manufacturing

✔ Pharmaceutical production

✔ Energy and power generation

✔ Mechanical engineering & automation

Where temperature consistency is critical, the TRV5-60 ensures stable and dependable monitoring.

  • Improved process efficiency through accurate temperature control

  • Enhanced equipment safety by preventing overheating and operational failures

  • Lower operational costs from reduced maintenance and optimized energy usage

  • Consistent product quality in temperature-sensitive applications

  • Reliable long-term performance even under extreme industrial conditions

  • Precise feedback for automated systems and digital controllers

The TRV5-60 is engineered specifically for the steam and industrial heating industries, giving it several advantages over standard transmitters:

  • Higher reliability under continuous operation

  • Industrial-grade construction designed for steam environments

  • Accurate calibration with minimal deviation

  • Full compatibility with the GESTRA system ecosystem

  • Proven performance in thousands of factories worldwide

GESTRA’s decades of experience in steam engineering make the TRV5-60 the trusted choice for industries that demand accuracy and durability.

We supply 100% genuine GESTRA TRV5-60 Temperature Transmitters, offering industry-leading quality with professional support.

🔥 What You Receive:

  • Original GESTRA TRV5-60 (factory sealed)

  • Fast global shipping

  • Technical datasheets and documentation

  • Expert guidance for installation & integration

  • Special pricing for bulk orders

Enhance your industrial temperature monitoring with the precision and reliability of GESTRA TRV5-60 Temperature Transmitter.
Improve safety, stability, and performance in your steam and thermal systems.

👉 Contact us now to request pricing, availability, or technical consultation.

Experience the superior accuracy of GESTRA’s advanced temperature sensing technology.

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