【宽量程活塞式压力计】的详细信息

• 测量范围：——(N.m)
• 扭转方向：
• 电动机功率：(KW)
• 试件尺寸：(mm)
• 度盘级数：(级)
• 显示分辨率：——(？
• 夹头间距：(mm)
• 记录误差：≤(%)或≥(%)
• 类型：数显扭转试验机
• 电源电压：(V)
• 试验速度：——(度/min)
• 示值相对误差：≤(%)或≥(%)
• 行程：——(mm)
• 外形尺寸：**(mm)
• 适用范围：

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一、用途???? XY系列宽量程活塞式压力计是我厂按照国家新“活塞式压力计”检定规程(JJG59-2007)要求新研发设计制造。由于活塞式压力计的关键部件使用了高硬度和低温度线膨胀系数的碳化钨材料,?从而提高了活塞的耐磨性 ,因此受压力后形变极小(可忽略不计)，性能极其稳定。活塞的工作介质采用了癸二酸二异辛酯，从而使压力计具有极高的灵敏度。???? 由于采用了新材料、新技术、新工艺，所以新的活塞式压力计的各项技术指标有了很大提高。从而广泛用来检定数字压力计、精密压力表、压力变送器、压力传感器等压力仪器仪表。

二、性能特点：

1.?活塞和活塞缸均采用高强度、高硬度、和低温度线胀系数的硬质合金碳化钨材料经过精心研磨制成，工作环境温度宽，性能稳定 20±5℃。2.?负荷重心低，砝码通过挂篮直接加在活塞上，活塞运转平稳，压力波动极小，示值准确。3.?25MPa以上传压介质采用粘度很小的癸二酸二异辛酯，从而保证压力计有极高的灵敏度。4.?压力计所用砝码全部采用无磁不锈钢材料制做。5.?活塞工作位置用位移传感器监测，活塞上下行程为±1.5mm，仪表显示具有灵敏、醒目、准确等优点。6.?量程宽，在下限1MPa时，基本误差为±0.02%或±0.05%?，一台XY1000型压力计，可抵目前国产测量上限 6、60、100MPa 三台压力计使用。?7. ?加压调节轻便省力，即使在100MPa压力时也能轻松自如。

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