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新标准蓄热系数测定仪新升级XR-3

价格：￥电议

品牌名称：畅风型号：XR-3 原产地：中国大陆更新时间：2026/10/12 12:31:17

产品摘要：新标准蓄热系数测定仪新升级本仪器适用于测定干燥或不同含湿状况下匀质板状、粉未状材料的蓄热系数、导热系数、导温系数和比热。

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新标准蓄热系数测定仪新升级

XR-3蓄热系数测定仪

建筑及保温材料越来越广泛的应用于各种工程中，而这些材料是具有一系列的热物理特性，在进行热工计算时，往往涉及到这些热特性，为使计算准确可靠，就必须正确地选择材料热物理指标，使其与材料实际使用情况相符，否则，计算公式无论怎样准确，所得到的结果与实际情况仍然会有很大的差异。材料的热物理特性受许多因素的影响，例如：材料的化学成份、密度、温度、湿度等，其中湿度对材料的影响很大，而在实际使用中，由于受气候、施工水份，生产和使用状况等各方面的影响，材料往往会含有一定水份，这样，将会导致材料的保温性能下降。所以，在热工计算中必须考虑这个问题。为此，准确测定含湿状态下材料的热物理特性是十分必要的。蓄热系数测定仪(1).jpg
蓄热系数测定仪计算机采集、控制和数据处理功能。这台仪器的特点是：装置简单、准确度高、试验速度快（一次试验十分钟左右），在一次试验中可同时测出材料的蓄热系数，导热系数，导温系数和比热，并且能测量不同含湿状态下的热物理性能。

执行标准：JGJ/T12-2019《轻骨料混凝土应用技术标准》，GB/T 20473-2021《建筑保温砂浆》。
应用范围：
本仪器适用于测定干燥或不同含湿状况下匀质板状、粉未状材料的蓄热系数、导热系数、导温系数和比热。被测材料导热系数范围在0.035～1.7w/m.k(或0.03~1.5kcal/m.h.℃），蓄热系数范围0.1-30W/M²K。
基本原理：
该仪器是以非稳定导热原理为基础，在实验材料中短时间加热，使实验材料的温度发生变化，根据其变化的特点，通过导热微分方程的解，便可计算出试验材料的蓄热系数、导热系数、导温系数和比热。

主要技术参数：

电源	AC220V,50Hz
试样大小	薄试件1块200×200×(20~30) mm 厚试件2块200×200×(60~100) mm
外形尺寸(长×宽×高)	600×440×720(mm)
工作条件	环境温度 10~35℃ 相对湿度 ≤80% 室温要求稳定 ≤±1.5℃
测量结果的准确度	优于±5%
特点	连接上位机，实现计算机自动测试、数据打印输出

新标准蓄热系数测定仪新升级蓄热系数测定仪1.jpg

XR-3 Thermal Storage Coefficient Tester

With the increasingly wide application of building and thermal insulation materials in various engineering projects, these materials possess a series of thermophysical properties. When conducting thermal engineering calculations, these thermophysical properties are often involved. To ensure accurate and reliable calculations, it is essential to correctly select the thermophysical indicators of materials to match their actual usage conditions. Otherwise, even with highly accurate calculation ｆormulas, the results may still differ significantly from actual situations. The thermophysical properties of materials are influenced by many factors, such as chemical composition, density, temperature, humidity, etc. Among these, humidity has a significant impact on materials. In practical use, due to influences from climate, construction moisture, production and usage conditions, materials often contain a certain amount of moisture, which can lead to a decrease in their thermal insulation perｆormance. Therefore, this issue must be considered in thermal engineering calculations. For this reason, accurately measuring the thermophysical properties of materials in a moist state is crucial.

The XR-3 Thermal Storage Coefficient Tester features functions of computer data acquisition, control, and processing. Its characteristics include: simple setup, high accuracy, and fast testing speed (about ten minutes per test). In a single test, it can simultaneously measure the thermal storage coefficient, thermal conductivity, thermal diffusivity, and specific heat of the material, and it is capable of measuring thermophysical properties under different moist states.

Applicable Standards:

JGJ/T 12-2019 Technical Standard for Application of Lightweight Aggregate Concrete;

GB/T 20473-2021 Building Thermal Insulation Mortar.

Application Scope:

This instrument is suitable for determining the thermal storage coefficient, thermal conductivity, thermal diffusivity, and specific heat of homogeneous plate-shaped and powdery materials in dry or different moist states. The thermal conductivity range of tested materials is 0.035–1.7 W/(m·K) (or 0.03–1.5 kcal/(m·h·℃)), and the thermal storage coefficient range is 0.1–30 W/(m²·K).

Basic Principle:

Based on the principle of unsteady-state heat conduction, the instrument applies short-term heating to the test material to induce a temperature change. By analyzing the characteristics of this change and using the solution of the heat conduction differential equation, the thermal storage coefficient, thermal conductivity, thermal diffusivity, and specific heat of the test material can be calculated.

Main Technical Parameters:

Parameter	Specification
Power Supply	AC 220V, 50Hz
Specimen Size	Thin specimen: 1 piece, 200×200×(20~30) mm Thick specimen: 2 pieces, 200×200×(60~100) mm
Overall Dimensions (L×W×H)	600×440×720 mm
Operating Conditions	Ambient Temperature: 10~35℃ Relative Humidity: ≤80% Stable Room Temperature Requirement: ≤±1.5℃
Accuracy of Measurement Results	Better than ±5%
Features	Connects to a host computer to enable automatic computer testing and data printout

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