High temperature thermal conductivity tester manufacturer

Whats/App: +86 156 1874 6768

Web: standard-groups.com

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

Product Advantages

High-Temperature Precision: Operates up to 1200°C with ±1°C accuracy.

Multi-Sample Testing: Simultaneously tests 1–4 specimens.

Automated Control: Fully automatic operation for stable heat flow measurement.

Wide Thermal Range: Covers 0.03–2.00 W/(m·K) for diverse materials.

Uniform Heating: Ensures temperature consistency in the sample chamber.

Product Features

Testing Principle: Based on Fourier’s one-dimensional steady-state heat conduction, measuring heat transfer via water calorimetry.

Key Components:

High-Temperature Furnace: Air-atmosphere heating up to 1200°C.

Calorimeter System: Central and shield flow meters (2.5–25 L/h).

Water Supply Unit: Maintains steady coolant flow (10–100 L/h).

Sample Preparation: Dried at 110°C±5°C or processed per material standards.

Technical Parameters

Parameter	Specification
Operating Mode	Automatic
Temperature Range	200°C–1200°C
Temperature Accuracy	±1°C
Thermal Conductivity Range	0.03–2.00 W/(m·K)
Specimen Size	230mm × 230mm (Thickness: 40–100mm)
Flow Rate (Calorimeter)	30–120 g/min
Power Supply	380V, 50Hz
Dimensions	900mm (L) × 900mm (W) × 1300mm (H)
Weight	260kg

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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