Product

Guarded Hot Plate Thermal Conductivity Tester

Published: 3/14/2025

The Guarded Hot Plate Thermal Conductivity Tester primarily measures the thermal conductivity of materials such as plastics, glass, fibers, and foams. It is designed according to multiple national and international standards to ensure accurate and reliable thermal performance testing.

Product Description

The Guarded Hot Plate Thermal Conductivity Tester mainly tests the thermal conductivity of plastics, glass, fibers, foams, and other materials. The instrument references standards including GB/T3392-82 "Test Method for Thermal Conductivity of Plastics, Guarded Hot Plate Method", GB/T3139-2005 (Test Method for Thermal Conductivity of Fiber Reinforced Plastics) (Test Method for Thermal Conductivity of Fiberglass Reinforced Plastics), GB/T10801.1 and GB/T10801.2 (Polystyrene Foam for Insulation), among others. It also refers to GB/T10295-1988 "Determination of Steady-state Thermal Resistance and Related Properties of Thermal Insulation Materials - Heat Flow Meter Method", ISO/DIS8301 "Thermal Insulation - Steady-state Thermal Resistance and Related Properties - Heat Flow Meter Apparatus", ASTM C518-2004, and EN12667. The device is applicable for material performance testing agencies, scientific research institutions, factory quality inspection departments, and higher education teaching and research.

Technical Specifications

Parameter	Specification
Details	1. Thermal conductivity range: 0.015 to 2 W/m·K 2. Maximum temperature: Hot plate: 80℃ with heated constant temperature water bath; Cold plate: can be cooled below room temperature with refrigerated constant temperature water bath. DRX-I-PC model: Hot plate: less than 300℃ with heater control; Cold plate: can be cooled below room temperature with refrigerated constant temperature water bath. Minimum temperature down to -20℃. DRX-I-PC model can be equipped with double specimen and single specimen testing devices. 3. The instrument achieves digital temperature measurement with accuracy better than 0.2 grade. 4. Measurement result accuracy: ±3%. 5. Calibrated heating power: 35W ±1%. 6. Sample size requirements: 200×200×(5-20) mm or 300×300×(5-50) mm optional. 7. According to user testing requirements for materials, it can be equipped with heat resistance testing method and heat flow meter and testing instruments.

Parameter

Specification

Details

1. Thermal conductivity range: 0.015 to 2 W/m·K 2. Maximum temperature: Hot plate: 80℃ with heated constant temperature water bath; Cold plate: can be cooled below room temperature with refrigerated constant temperature water bath. DRX-I-PC model: Hot plate: less than 300℃ with heater control; Cold plate: can be cooled below room temperature with refrigerated constant temperature water bath. Minimum temperature down to -20℃. DRX-I-PC model can be equipped with double specimen and single specimen testing devices. 3. The instrument achieves digital temperature measurement with accuracy better than 0.2 grade. 4. Measurement result accuracy: ±3%. 5. Calibrated heating power: 35W ±1%. 6. Sample size requirements: 200×200×(5-20) mm or 300×300×(5-50) mm optional. 7. According to user testing requirements for materials, it can be equipped with heat resistance testing method and heat flow meter and testing instruments.

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