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涂4杯技术规格:测量时间范围:30s≤t≤100s
流量杯容量: 100ml
环境温度范围:25±1℃
误差范围:±3%
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涂4杯用途本仪器主要用于测定牛顿型或近似牛顿型流体涂料的运动粘度,也可根据需要做比较测量使用。是一种便携式粘度计,使用方便、性能稳定,流量杯和流出口由抗腐蚀材料制成。
涂4杯原理NDJ-5粘度计测定的粘度是条件粘度,即为一定量的试样在一定温度下从规定孔径的孔所流出的时间,用秒表示。用以下公式可将试样流出时间秒(S)换算成运动粘度值(mm2/s)。
γ=(t-6.0)/0.223(30s≤t≤100s)
其中,t —— 流出时间(s) ,γ—— 运动粘度(mm2/s)
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