High precision dual plate heat tester

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

Application

The tester is suitable for high-temperature thermal conductivity testing in multiple fields:

Refractory and Insulation Materials: Evaluates ceramic fiber, refractory bricks, insulation boards, and high-temperature insulation materials.

Textiles and Composite Materials: Measures thermal properties of heat-resistant fabrics and composite plates.

Building Materials: Assesses the thermal performance of boards, bricks, and other construction materials.

Research & Development: Supports development of new heat-resistant or insulating materials, as well as quality control of existing products.

The apparatus provides accurate, reliable measurements at temperatures ranging from 200°C to 1200°C, supporting both laboratory research and industrial quality control.

Standards

GB/T 17911-2006: Test methods for refractory ceramic fiber products.

YB/T 4130-2005: Water flow plate method for thermal conductivity of refractories.

ASTM C518: Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

IS0 8301:Thermal Insulation — Determination of Steady-State Thermal Resistance and Related Properties — Heat Flow Meter Apparatus

DIN EN 12667:Thermal Performance of Building Materials and Products - Determination of Thermal Resistance by Means of Guarded Hot Plate and Heat Flow Meter Methods - Products of High and Medium Thermal Resistance

Technical Parameters

Accessoriess

The main accessories of a flat plate thermal conductivity tester include: a test head assembly (containing a hot plate, a heat shield, and a cold plate), used to provide a heat source, maintain one-dimensional heat flow, and receive heat; a heating and temperature control system to ensure temperature stability; a cold plate and cooling system to maintain the temperature on the cold side; a temperature measurement and data acquisition module to accurately measure temperature and acquire data; a pressure regulation and clamping structure to fix the sample and adjust the contact pressure; a heat preservation and constant temperature environment device to reduce heat exchange; and a data acquisition and control system to achieve automated testing and data processing.

Maintenance Methods

Scientific Maintenance to Extend Equipment Lifespan

Daily Cleaning

External Cleaning: Wipe the instrument surface with a clean, soft cloth to prevent dust accumulation. Do not use corrosive cleaning agents to avoid damaging the casing.

Internal Cleaning: Internal cleaning (e.g., hot and cold plates) should be performed by qualified personnel to avoid damaging the sensor or circuitry.

Sensor Maintenance

Regularly inspect the PT100 temperature sensor to ensure its surface is clean and undamaged. Dirt or damage may cause measurement errors; replace it promptly.

Calibration and Verification

Regular Calibration: Use standard samples (such as reference materials with known thermal conductivity) for calibration to ensure measurement accuracy. It is recommended to calibrate every 6 months, or adjust according to usage frequency.

Online Dual Calibration: Some models support simultaneous calibration of temperature and system error, providing accuracy, speed, and convenience, improving calibration efficiency.

Electrical System Inspection

Regularly check the power cord, plug, socket, etc., for damage or aging; replace immediately if any abnormalities are found.

Ensure a stable power supply voltage (AC 220V±10%) to avoid voltage fluctuations affecting instrument performance.

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