Introduction
A thermal conductivity tester is an instrument used to measure the thermal conductivity of materials, which is the ability of the material to conduct heat, and it is used in materials science, construction, insulation, electronics, and many other industries for characterizing materials and for quality control. The thermal conductivity is measured using various methods, including the guarded hot plate method, in which a flat sample is placed between a heated plate and a cooled plate, and the heat flow through the sample is measured under steady-state conditions; the transient plane source method, in which a sensor is placed between two samples and the thermal response to a heat pulse is measured; the heat flow meter method; the laser flash method for thin materials; and the hot wire method, and the tester measures the thermal conductivity in units of watts per meter-kelvin, and the method is selected according to the material and the thermal conductivity range, with features such as precise temperature control and data analysis. Thermal conductivity testers are used for testing insulation materials, such as foams, fibers, and building insulation, for testing polymers and composites, for testing ceramics, glasses, and metals, for testing thermal interface materials for electronics, for testing food products, for research, for quality control, and for many other applications, and they are available as benchtop instruments and portable testers, with various measurement ranges. With their measurement of heat conduction, thermal conductivity testers are essential for characterizing the thermal properties of materials.
Benchtop Thermal Conductivity Tester LBTC-T2010
Benchtop Thermal conductivity Tester measures across a range of 0.005 to 300 W/mK for solids, liquids, powders, pastes, colloids, and granules using the Transient Plane Heat Source metho...
Benchtop Thermal Conductivity Tester LBTC-T2010
Benchtop Thermal Conductivity Tester is a spacious free-standing design ideal for heat flow across a temperature gradient within a material. Equipped with a meter that conveniently displ...
Standards
USP General Chapter <645>-Water Conductivity
IEC 60746-3:2002-Expression of performance of electrochemical analyzers-Part 3: Electrolytic conductivity
Complies with the above standards, but is not limited to them.
Features
1. Thermal conductivity tester for measuring thermal conductivity of materials.
2. Guarded hot plate, heat flow meter or laser flash method for thermal property measurement.
3. Suitable for construction, insulation, polymer, ceramic, metal and research labs.
4. Includes measurement system, samples, temperature control, software and manual.
5. Supports thermal conductivity measurement for insulation, building and material R&D.
FAQ
Q1: What testing scenarios is this tester mainly applied to?
A: The thermal conductivity tester is used in construction materials, insulation manufacturing, polymer science, ceramics, metals, aerospace, automotive and research to measure the thermal conductivity (and related thermal properties) of solid materials including insulation, building materials, polymers, ceramics, metals and composites for product development, quality control and regulatory compliance. It supports building insulation material testing (thermal conductivity for energy efficiency), construction material thermal property evaluation, polymer and composite thermal characterization, ceramic and refractory material testing, metal and alloy thermal conductivity measurement, aerospace and automotive material thermal management, and research on thermal properties. Thermal conductivity is a critical property for insulation materials, thermal management and energy efficiency applications.
Q2: What standards does the tester comply with?
A: The thermal conductivity tester follows relevant ISO, ASTM and GB/T standards for thermal conductivity measurement depending on method: guarded hot plate follows ISO 8302, ASTM C177, GB/T 10294; heat flow meter follows ISO 8301, ASTM C518, GB/T 10295; laser flash follows ISO 18755, ASTM E1461, GB/T 22588. The hardware complies with IEC 61010 laboratory safety standards. Calibration should use certified reference materials (e.g., Pyroceram 9606, stainless steel) traceable to international standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole thermal conductivity tester is covered by a 12-month warranty. The measurement system, heating/cooling system, temperature sensors, controller, software and housing are covered, while reference materials, sample holders and fuses are consumables or accessories. Damage from improper use or unauthorized repair is excluded. Extended service contracts are available for this analytical instrument.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with thermal conductivity measurement, sample preparation and data interpretation. We provide operation manuals, training and application support. Proper sample preparation (flat, parallel surfaces, appropriate size), calibration, method selection, temperature control and result interpretation are important for accurate, reliable thermal conductivity measurement.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Calibration with certified reference materials recommended every 6-12 months. Routine verification with a reference sample per batch for critical testing. Temperature sensor calibration periodically. Full system performance verification annually. Software updates installed as needed. Sample holder condition checked.
Q7: Are supporting consumables universal?
A: Reference materials, sample holders, thermal paste (for some methods) and cleaning supplies are available from laboratory suppliers, though instrument-specific parts should be verified. Long-term consumable cost is low to moderate depending on method and usage.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes measurement method (guarded hot plate, heat flow meter, laser flash), temperature range, sample size, thermal conductivity range, atmosphere control (vacuum, inert gas), software features and accessories. Additional sample holders and reference materials can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Yes, thermal conductivity testers include on-site installation, commissioning, calibration and operator training by certified specialists. Site preparation guidance is provided before delivery.
Q10: What types of samples are compatible with this equipment?
A: The thermal conductivity tester measures thermal conductivity of solid materials including insulation, building materials, polymers, ceramics, metals, composites and other solids within the sample size, temperature range, thermal conductivity range and method specification. Different methods are suitable for different material types: guarded hot plate for low-conductivity insulation (large, flat samples); heat flow meter for medium-conductivity materials; laser flash for high-conductivity metals, ceramics and small samples. Samples should be flat, parallel-sided and of appropriate size for the method. Users should select the appropriate method for the material type and conductivity range, prepare samples with flat, parallel surfaces (surface flatness critical for contact methods), use proper thermal interface material (thermal paste/grease) for contact methods if required, calibrate with certified reference materials, account for thermal contact resistance, report results with method, temperature and sample thickness specified, and for insulation materials, follow applicable product standards (ASTM C518, GB/T 10294). The instrument should be maintained per manufacturer schedule. For laser flash method, samples may require coating (graphite) for proper absorption/emission. For anisotropic materials, measure in the appropriate direction. The sample should be conditioned at the test temperature before measurement. For porous insulation materials, account for density and moisture content (thermal conductivity increases with moisture). The instrument should be placed in a temperature-controlled environment for accurate measurements. Results should be reported at the mean temperature of the measurement.
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