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LBT-1000-3B Thermal Conductivity Meter (with Electric Loading for Specimens)

This instrument is suitable for measuring the thermal conductivity of refractory insulation materials, ceramic fibers, felts, textiles, boards, bricks, and other materials at various temperatures.

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Brick and tile, masonry brick testing equipment

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lbt@lbt.ltd

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+86-15102211717

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LBT-1000-3B Thermal Conductivity Meter (with Electric Loading for Specimens)

Description

Product Introduction:

This instrument is suitable for measuring the thermal conductivity of refractory insulation materials, ceramic fibers, felts, textiles, boards, bricks, and other materials at various temperatures. With an optional surrounding frame, it can also be used to measure powdered materials. It is widely employed in material analysis and testing by universities, research institutions, quality‑inspection agencies, and manufacturing plants.
This instrument conforms to the following standards: ASTM C518-04, Standard Test Method for Steady-State Thermal Flux and Thermal Transmission Properties Using the Heat Flow Meter; ASTM C182-88 (2004), Standard Test Method for Thermal Conductivity of Insulating Refractory Bricks; ASTM C202-93 (2004), Standard Test Method for Thermal Conductivity of Refractory Bricks; ASTM C417-05, Standard Test Method for Thermal Conductivity of Amorphous Refractories; ASTM C201-93 (2004), Standard Test Method for Thermal Conductivity of Refractory Materials; GB 10295-88, Determination of Steady-State Thermal Resistance and Related Properties of Thermal Insulation Materials (Heat Flow Meter Method); YB/T 4130-2005, Test Method for Thermal Conductivity of Refractory Materials (Water‑Flow Plate Method); and GB/T 17911-2018, Test Method for Thermal Conductivity of Refractory Ceramic Fiber Products, among others.

Technical Specifications

Thermal conductivity range	0.0010–3.0 W/m·K, displayed to four decimal places
Test accuracy	Better than 5%
Hot surface temperature range	100-1000℃
Calorimetric temperature control method	Semiconductor cooling; optional constant-temperature water bath cooling available at an additional cost.
Heat-preserving and temperature-control method	Semiconductor cooling
Calorimeter plate dimensions	100×100 (mm)
Heat flux meter dimensions	100×100 (mm)
Number of temperature measurement points on the specimen	4 o'clock
Specimen atmosphere environment	Air
Pressure range	0–1000 N, with electric pressurization via a geared motor and precise measurement using a high-accuracy pressure sensor.
Thickness measurement range	0–100 mm, measured using a high-precision displacement sensor.
Thickness Correction	Instantaneous correction of the displacement sensor
Specimen dimensions	230×230 to 250×250 (mm); thickness 5 or 10 to 100 (mm)
Measurement control method	The system performs fully automated testing and data processing, and can generate test reports for printed output.
Host power supply	Voltage: 220 V; Frequency: 50 Hz; Total Power: ≤ 5 kW
Cooling method	Cooling is achieved using tap water; a thermostatic water bath can be optionally configured upon customer request. The thermostatic water bath offers temperature control within the range of 0–99.99°C, with an additional charge.
Instrument Configuration	One test host, one set of test software, one set of communication interface and data cable, and one roll of rubber hose; the buyer shall provide its own computer and printer.

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

Which materials can be measured by your Vicat softening point tester?

It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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LBT-1000-3B Thermal Conductivity Meter (with Electric Loading for Specimens)

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