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《LZW-5型自动恒温数显沥青粘度计》一、产品概述:符合交通部JTJ052-2011标准。 适用于测定低稠度的粘稠沥青,液体石油沥青和软煤沥青等的粘滞度,为试样在规定的温度下,自标准粘度计的泻孔流满50ML所需之时间,测定试样的粘滞度。二、技术参数:卸油孔直径mm:Φ10±0.25 5±0.10 3±0.08卸油孔高度mm: 5 7 7执行标准:JTJ052-2000
三、使用方法;-使用前应检查各部分是否正常,并注意水槽及油槽内是否不清洁油孔内有无障碍物,按下列顺序进行试验。1、放好注水漏斗,注入的水不能超过规定的刻度2、取下油槽盖3、根据试验沥青的标号和技术规范选择好油槽泄油孔的直径4、用金属提杆堵住泄油孔5、取下沥青样品放入烧杯中加热融化,倒入油槽。6、盖好油杯盖7、根据各种沥青的要求将控温仪温度设定好,打开 电源开关,开始加热,开动搅拌,当温度达到时,恒温1--3Min。提起球塞,借标记悬挂在试样管边上,记取时间,即为试样的粘度,详见新规范(T0621--93)进行试验.四、注意事项1、以两次平行试验的数值平均值作为试验结果,两次试验结果与平均值误差不得大于±5%2、每次试验后,应将仪器擦净,粘在油槽的沥青要用酒精,松节油,或煤油擦洗干净,特别注意泄油孔中不能有任何障碍物,否则影响试验准确性。3、泄油孔内忌用坚硬的东西摩擦,防止破坏孔的几何精度。4、仪器要防置于干燥透风处.
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