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PCY-D-III Ultra-low temperature thermal expansion coefficient tester

Detailed introduction

PCY-D-III Ultra-low temperature thermal expansion coefficient tester

GJB1875-94 硬质泡沫塑料热物理性能测试方法》进行低温线性膨胀系数测试;用于 测试各种固体材料 低温平均线膨胀系数,使用的 测试 方法为顶杆法 采用 (进口)高精度 测微 传感器感应出不同温度下试样的变形值 This instrument performs low-temperature linear expansion coefficient testing according to the standard " GJB1875-94 Rigid Foam Thermophysical Properties Test Method"; it is used to test the ultra- low temperature average linear expansion coefficient of various solid materials . The test method used is the ejector method ( (Imported) High-precision micrometer sensor detects the deformation value of the sample at different temperatures . Computer technology is used to automatically detect, control, calculate, print, and store samples .

I. Main technical parameters:
温度范围: - 196 (液氮浸泡温度) 1. Temperature range: -196 (immersion temperature of liquid nitrogen)   ℃; 300
20×20×50mm , 可同时测试 3个试样; 2. Sample size: less than 20 × 20 × 50mm , 3 samples can be tested at the same time ;
传感器 进口 感应出不同温度下试样的变形值, 量程大于 15mm, 分辨 0.1um,精度0.2um。 3. High-precision microsensor ( import ) is used to detect the deformation value of the sample at different temperatures. The range is greater than 15mm, the resolution is 0.1um, and the accuracy is 0.2um.
0.001 300 .000 ×10 -6 /℃ 4. Test range of average linear expansion coefficient: 0.001 to 300.000 × 10 -6 / ℃
5. Test accuracy: 0.2%;
6, using high-precision high and low temperature box, automatic temperature control, automatic data collection.
A: temperature gradient: 1 ° C;
B: temperature fluctuation: ≤ ± 1 ℃;
温度偏差:≤±1℃; C: temperature deviation: ≤ ± 1 ℃;
:温控表显示精度:≤0.1℃; D : Temperature control meter display accuracy: ≤0.1 ℃;
:制冷方式:液氮; E : Refrigeration method: liquid nitrogen;   发热管加热; Heating method: heating tube heating;
工作室尺寸(深X宽X高 mm ):300X350X500 F: Studio size (depth X width X height mm ): 300X350X500
箱内空气循环方式:离心风扇强制循环; G: Air circulation mode in the box: forced circulation by centrifugal fan;
升温(设定温度为正)时温度不允许超过设定值的1℃; H: The temperature should not exceed 1 ° C when the temperature rises (the set temperature is positive);
      
-1℃; When the temperature is lowered (the set temperature is negative), the temperature must not exceed -1 ° C of the set value ;
升温时间:60分钟内,从0~+300℃; I: Heating time: within 60 minutes, from 0 to + 300 ° C;
      
90 ℃; Cooling time: within 40 minutes, from 0 to -1 90 ℃;
计算机可同时采集控制 个样品 也可选择部分通道不进行采集,可分别输入样品信息。 7. The computer can collect and control three samples at the same time . It is also possible to select some channels to not collect. You can input sample information separately. ,急冷膨胀。 Real-time data calculation, display expansion coefficient, volume expansion coefficient, linear expansion , rapid expansion. Compensation coefficients are calculated automatically and compensated automatically, or manually (online). Automatic recording, storage (file name includes sample information), printing number, printing temperature-expansion coefficient curve. The temperature interval can be set freely. The minimum interval is 1 ℃.
8. Power supply: 220V, 4KW.

2. Instrument composition:
1. The instrument consists of high-precision micro-sensors and data processing systems, high-precision high and low temperature test chambers, electric lifting mechanisms, liquid nitrogen tanks, and computer temperature control. According to customer requirements, corresponding computer measurement and control software can be equipped.
2. There is hollow electric heating tempered glass in the center of the test box door; the sample can be taken and opened when the box door is opened, and the sample is easy to load and unload.
载、风机过热、PID超温等多重保护功能。 3. Imported intelligent temperature control instrument with multiple protection functions such as over temperature, over pressure overload, fan overheating, PID over temperature, etc.

     

This product was commissioned by the China Academy of Carrier Rocket Technology Institute (Beijing) Institute of Aerospace Materials and Technology (703 Research Institute) and developed a "Material Ultra-low Temperature Expansion Coefficient Test System" development project, which successfully passed the acceptance of the Institute's experts in 2017. During the normal operation of the existing two sets of instruments and equipment, they have been well received by users.

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Email: 130732189@qq.com
Address: No. 168, Xiaotang Middle Road, German Industrial Park, National High-tech Zone (Yuetang District), Xiangtan City, Hunan Province
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