玻璃应力仪 Semiauto Senarmont PTC-702
本装置特点是减少人为误差，预先输入测定对象的光弹性系数及深度，可以自动演算出应力大小、监示器放大倍率1～24倍 。主要用于玻璃制品残留应力的定量检测，塑料制品的应力检测， 光学薄膜的位相差测定，结晶材料应力的有无等。
检测原理：Senarmont（补偿法）/锐敏色法（感光色法）,外形尺寸:W280×D375×H750mm ,视野范围：最大176×132mm/最小6.9×5.2mm,光源：LED灯 , 电源：AC220 50/60Hz
构成：应力仪主机、笔记本电脑、CCD相机、调焦相机、电缆线、应力方向确认棒等
精度/标准偏差：约±1.5nm（刻度罗盘旋转±0.5°) ,分辨率：约为1.5nm（刻度罗盘旋转0.5°）
重量：18kg , 电脑操作系统： Windows XP.
Semiauto Senarmont PTC-702is the instrument for visualizing strain in transparent medium and measuring its degree.This product displays the image brightness amount in figures in the monitor,and according it simplifies looking for Analyzer rotated angle where the target area blacken to the maximum. This system reduces the measurement error caused by an operator.
It also has Sensitive color method,so it is available to confirm the direction of the stress.
It is available to record the measurement data and image since it it connected to PC.
Features：Reduce measurement error caused by an operator,Calculate the degree of glass stress by being entered photoerastic constant and optical path in advance,Make report easily by saving data and image in PC,Change the monitor magnification from about*1to *24(Using 15.4 inches,1280*800 dot LCD monitor)
Apprication：Strain Inspection for glass,Strain Inspection for plastics,Measurement of the retardation of optical film.etc.
Size (main body) W300*D480*H750mm
Weight (main body) 18kg
Inspection method Sensitive Color Method,Senarmont Method
Accuracy (standard deviation) ±About 1.5nm （Analyzer rotated angle±0.5°）
Resolution About 1.5nm （Analyzer rotated angle0.5°）
Determining area Max. 176×132mm／Min. 6.9×5.2mm
Light source Fluorescent lamp 30W
Power source AC100V 50／60HZ
PC OS Windows XP／Windows Vista
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