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想问燃气表检定装置操作规范有什么

浏览：41次 | 提问时间： 06-29 09:49
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刘海变中分一下变女王 06-29 09:50

钟罩式气体标准计量器概述 钟罩式气体标准计量器，是一种能够在规定的范围内设定工作压力，且在恒定压力的条件下，输出标准容积量气体的计量装置。用来检定煤气表和转子流量计、涡轮流量计、涡街流量计、罗茨流量计、小型孔板等节流装置。也可以用作肺活量测量装置 。 气体计量器以钟罩量筒内有效容积作为标准体积, 液槽内充有水或油作为密封液，使量筒内部空间与外界隔离。当钟罩下降时,排出钟罩量筒内气体，经测试管流经被检仪表, 比较钟罩量筒排出标准气体体积与被检仪表指示的体积,确定仪表的精度。 特点 1 LJQ系列钟罩式气体标准计量器，如果配套ZKY―20型钟罩控制仪，能够组成自动检测系统。可实现自动控制、自动检测、自动显示、打印标准排气量及瞬时流量以及被检表压损等参数 2 采用中压风机直吹提升钟罩的方式，量筒上升平稳且噪声小。 3 采用动态配重补偿，稳定排气压力，革除了传统的象限补偿装置，简化了结构、减少了占用空间。 4 用先进的光电旋转编码器，控制精度高、稳定性好、量筒垂直降落分辨率达到0.1mm，排气量分辨率达到公称排气量的0.01升。 5 特制的10 L、20 L钟罩工作压力达6kPa,可用于肺活量测量仪的标定 主要技术参数 1 精度： 0.5级、0.2 级 0.1 级 2 公称容积 10

檐前缺 06-29 09:58

1 LJQ系列钟罩式气体标准计量器，如果配套ZKY―20型钟罩控制仪，能够组成自动检测系统。可实现自动控制、自动检测、自动显示、打印标准排气量及瞬时流量以及被检表压损等参数 2 采用中压风机直吹提升钟罩的方式，量筒上升平稳且噪声小。 3 采用动态配重补偿，稳定排气压力，革除了传统的象限补偿装置，简化了结构、减少了占用空间。 4 用先进的光电旋转编码器，控制精度高、稳定性好、量筒垂直降落分辨率达到0.1mm，排气量分辨率达到公称排气量的0.01升。 5 特制的10 L、20 L钟罩工作压力达6kPa,可用于肺活量测量仪的标定

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