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Datapaq® Furnace Tracker Rotational Thermal Profiling Systems

Cylindrical thermal barriers for aluminum homogenizing and steel pipe heat treatment

Datapaq furnace tracker rotational barrier
Datapaq rotating barrier
Datapaq furnace tracker rotational barrier
Datapaq® Furnace Tracker Thermal Profiling System
Datapaq rotating barrier

Unravel the Mysteries of Your Process

  • Rotational thermal barriers designed to attach directly to the product and measure true product temperatures at all process stages, including quench
  • Ensure temperature uniformity on billets and pipes
  • Real time data is used to fine tune the process while the profiler is in the furnace

Designed for processes up to 1000°C (1832°F), this Datapaq Furnace Tracker System rolls with pipes and tubes during heat treatment and quenching enabling users to get reliable and accurate in-process temperature surveys and profiles from conveyorized and walking beam furnaces.

  • At a Glance
  • Technical Specs
  • Applications
  • Online Booking
  • Accessories
  • Resources

The Datapaq Rotational Furnace Tracker Systems from Fluke Process Instruments features the Datapaq TP6 data logger, a rotational evaporative barrier, thermocouples and our intuitive Insight™ Software to create a complete solution.

This system is designed to be fitted to the end of test logs or inside pipes to travel through your process measuring data from the product and can be used in applications up to 1000°C (1832°F).

Data Logger

The Datapaq TP6 is the perfect solution for the most demanding high-temperature profiling applications with a 316-grade machined stainless-steel case and IP67 rating. Once combined with the Datapaq Insight™ or Datapaq Insight Furnace Surveying software you can display information from the data logger in real time via the optional Radio Frequency (RF) system or via standard USB/Bluetooth connections.

  • Available in 10 and 20 channel configurations and two case styles
  • Water resistant (IP67 rated)
  • Communication via USB or Bluetooth
  • Real time telemetry via USB, RF telemetry and Bluetooth
  • Alkaline, NiMH and Lithium battery options
  • Compatible with the Datapaq Insight™ for mobile application

Thermal Barriers

The rotating evaporative barriers from Fluke Process Instruments are designed specifically for the temperature profiling of cylindrical billets and pipes. These thermal barriers feature a fully sealed construction, which can be quenched without the need for time consuming insulation replacements and costly insulation disposal.

To maximize thermal performance in the smallest possible diameter, these rotating barriers feature a cylindrical water tank encased by a layer of microporous insulation. The central data logger cavity is sealed using compression fittings on mineral-insulated thermocouples.

These thermal barriers are designed to be fitted to the end of test logs or inside pipes to roll through the process, this solution incorporates an innovative mechanical system that prevents water from escaping while allowing steam to exit. These barriers are most used in applications up to 1000°C (1832°F) such as aluminum log homogenizing and steel pipe annealing.


Every Datapaq Insight™ Software product is designed to convert your raw data into meaningful information that can be acted on. All three software options provide a clear user interface, context sensitive help screens and wizards to assist novice users. The ability to change the language and email results directly from software enables you to share information across the plant and across the world, whether you’re on a computer or mobile device.

Datapaq TP6 Data Loggers Compatible with Rotating Evaporative Thermal Barriers

Model Number
TP6126 / TP6126-TM
Temperature range
-100 to 1370°C (-148 to 2498°F)
Dependent on thermocouple type (Type K shown)
USB or Bluetooth*
Memory capacity
4 million data points
Start/stop triggers
None (automatic), Manual, Rising/falling temperature, and time based
Sampling interval
0.1 sec – 50 mins with no telemetry
2 sec – 50 mins with RF telemetry*
± 0.3 °C (0.5 °F) – Type K
± 0.1°C (0.18 °F)
Thermocouple type
Type K (J,N,T,R,S,B are available)
Multiple run capability
Up to 10 profile runs before returning to PC

*Contact Fluke Process Instruments for availability of RF telemetry and Bluetooth in your country.


Rotating Evaporative Thermal Barriers

Datapaq Rotating Thermal Barrier features

  1. Insulated end cap that protects the front face plate and thermocouples
  2. Fuly sealed stainless-steel construction
  3. Fixing locations to quickly secure the barrier to the billet or pipe
  4. Compression fittings and faceplate seal the logger cavity
  5. Central filling nozzle and steam exit
Model Number
175mm ⌀; 860mm lenght (6.9in ⌀; 33.8in length)
215mm ⌀; 876mm length (8.5in ⌀; 34.6in length)
145mm ⌀; 770mm length (5.7in ⌀; 30.3in length)
Thermal duration
4.6 hrs at 600°C (1112°F) 3.1 hrs at 900°C (1652°F)
6.8 hrs at 600°C (1112°F) 4 hrs at 900°C (1652°F)
2.6 hrs at 600°C (1112°F) 1.5 hrs at 900°C (1652°F)
Data logger
Maximum operating temperature
1000°C (1832°F)
23.6 kg (52 lbs)
36 kg (79.4 lbs)
18 kg (39.7 lbs)

Datapaq Rotating Thermal Barrier performance

Datapaq Rotational Barrier Application

In most applications, the environmental conditions and process parameters in the furnace – such as temperature, duration and atmosphere – drive thermal barrier selection.

The Rotating Evaporative Thermal Barrier Series is limited to a maximum operating temperature of 1000°C (1832°F) and is intended to be fitted to the end of test logs or inside pipes. Typical applications include:

Aluminum Log Homogenizing

  • Cylindrical rotational thermal barriers are securely fitted to the end of a shortened aluminum log, allowing the Furnace Tracker system to travel through the furnace. Up to 10 thermocouples can be routed within a cavity on the surface of the log and each of the thermocouple tips is placed at a strategic point to measure surface and core temperatures.
  • The data logger is enclosed in a thermal barrier, which is protected by a layer of microporous insulation and a water tank, which ensures the best duration vs. diameter is achieved. The entire system is sealed, protecting the insulation so that the full heating and quenching/cooling cycle can be monitored without the need for insulation replacements.

Steel Pipe Annealing

  • Seamless steel pipes, typically found in the oil and gas industries, must be heat treated to ensure the correct material properties. To obtain this thermal profile, a rotational evaporative thermal barrier is placed inside the pipe, rolling with it as the pipe passes through a walking beam furnace.
  • The data logger is protected by a thermal barrier, allowing thermocouples to be placed at strategic points along the length of the pipe. This enables the data logger to gather temperature uniformity measurements from up to 10 points. Once transferred to our Insight™ Software, the data is translated into actionable analytics that can speed up new product set up times and improve process troubleshooting.

Special and Custom Solutions

The experienced engineering team at Fluke Process Instruments has produced numerous thermal barriers for applications, ranging from temperatures of -40°C to 1350°C (-40°F to 2462°F). They can design a complete solution for your specific requirements. Contact us to request information about a custom Datapaq thermal profiling solution.

Radio telemetry link

Radio telemetry accessory

The Datapaq TP6 radio telemetry system utilizes high temperature radio-frequency technology to allow data transmission from the data logger in real time. As the system travels through the process, product and process temperature data can be viewed, analyzed and reported instantaneously. This technology can be applied to monitoring key thermal processes in most industrial heating applications.

Thermocouple, mineral-insulated, Type K, 1.6 mm/0.06 in diameter, Nicrobell™ Sheath

Operating range 0 to 1250°C (32 to 2280°F). Fitted with miniature high-temperature plug for direct connection to data logger.

  • PA0710  1 m/3.3 ft
  • PA0711  2 m/6.6 ft
  • PA0715  5 m/16.4 ft
  • PA0717  10 m/32.8 ft
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