TLR 1000
Measuring Device with guarded hot pipe for pipe insulations
Highlights
Guarded Hot Pipe - The Absolut Method for Determining the Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.Thermal Conductivity of Pipe Insulations
The use of insulation and building materials with a low Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity value substantially contributes to protecting the environment. When transferring media (gases or liquids) through pipelines, any thermal energy generated should be prevend from release back into the surroundings. Effective pipe insulation is needed for this.
The Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity (Lambda, λ) is the property conveying a material's ability to conduct heat and is expressed in W/(m·K). The lower the Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity of a material, the better its insulating properties. NETZSCH TAURUS Instruments GmbH primarily produces devcies for measuring Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity as well as fire-testing equipment. These include guarded hot plates, HFM (heat-flow meters) and guarded hot pipe instruments for measuring the Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.thermal conductivity of building and insulating materials.
- Direct measuring method
- For pipe insulations with low thermal conductivity
- Pipe specimens with diameters up to 220 mm
- Customer-specific hot pipes
- Touchscreen for ease of operation
- Protected test chambe
Method
Thermal ConductivityThermal conductivity (λ with the unit W/(m•K)) describes the transport of energy – in the form of heat – through a body of mass as the result of a temperature gradient (see fig. 1). According to the second law of thermodynamics, heat always flows in the direction of the lower temperature.Thermal Conductivity - A Key Parameter for Improved Energy Efficiency
The Guarded Hot Pipe method is a precise and reliable technique for determining the thermal conductivity of pipe insulations. It works by simulating real-world conditions under which the insulation would operate. A pipe is heated uniformly by an internal electrical heater, and the pipe is usually made of a material with high thermal conductivity to ensure even heat distribution.
Surrounding the central heated pipe, there is a guard heater whose purpose is to minimize heat loss and ensure that all the heat flows through the insulation material. This setup helps in maintaining a unidirectional heat flow, which is critical for accurate measurements. The insulation material whose thermal conductivity is to be measured is wrapped around the heated pipe.
The system is allowed to reach a steady state, where the temperature remains constant over time. This ensures that the heat transfer through the insulation material is stable and can be accurately measured. Thermocouples or other temperature sensors are placed at various points on the pipe and within the insulation to measure the temperature gradient. By knowing the power input to the heater, the temperatures at different points, and the dimensions of the setup, the heat flow through the insulation can be calculated.
NETZSCH offers more exciting products that support you in measuring Thermal Conductivity:
Specifications
All features at a glance
- Fully insulated test chamber, designed for tube specimens with a diameter up to 220 mm
- Reference test pipe optionally available
- Easy sample change from the top
- Measurement precision exceeding the standard (DIN EN ISO 8497) thanks to 16 temperature sensors and two thermo chains between measuring and protection tube
- Operator guidance via touch display with intuitive control by the software
- Network capability
- Control, data acquisition and processing via external PC (Windows operating system) and Lambda software (option) for comprehensive evaluation and printing of measurement protocols
- Numerous interfaces such as RS232, USB and Gigabit Ethernet
- Fully automated measurement
- Variable dimensions of the hot pipe; inner pipe diameter from 18 to 89 mm
- Protected chamber tempered by the cooling system
- Reference test pipe made of rock wool with works calibration certificate
- Heating pipes with extended temperature range
| TLR 1000 | |
|---|---|
| Measuring range | 0.001 W/(m·K) up to 0.25 W/(m·K) |
| Specimen diameter |
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| Temperature range |
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| Interface | 1x RS 232,1x Gigabit Ethernet, USB |
| Dimensions (H x W x D) | 45 cm x 1850 cm x 50 cm |
| Power supply | 110 V to 230 V, 50/60 Hz |
| Weight | 118 kg |
Proven Excellence in Service
At NETZSCH Analyzing & Testing, we offer a comprehensive range of services globally to ensure the optimal performance and longevity of your thermoanalytical equipment. With a track record of proven excellence, our services are designed to maximize the effectiveness of your devices, extend their lifespan, and minimize downtime.
Unlock the full potential of your equipment with our tailored solutions, backed by years of industry expertise and innovation.
Software
Universal program for control, data acquisition and evaluation for thermal conductivity measuring devices
Intuitive Software Functions
- Selection between manual and automated measurement procedure with up to 16 definable mean temperature points per measurement
- Creation of favorites for fast access to frequently used measurement tasks
- Display of all relevant data, interim and final measurement results as graphs and tables
- Recording of all relevant notifications and information
- Safety function via error messages
- Calculation of the nominal λ-value from ascertained λ90/90
- Customer-specific test protocol
- Intuitive icons for menu functions
- User and administrator levels
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