JEC-2137-2000
JEC-2137-2000
JEC-2137-2000
差压式流量计由一次装置和二次装置组成。一次装置称为流量测量元件,它安装于被测流体的管道中,产生与流量(流速)成比例的压力差,供二次装置进行流量显示,二次装置称显示仪表。它接收测量元件产生的差压信号,并将其转换为相应的流量进行显示.差压流量计的一次装置常为节流装置或动压测定装置(皮托管、均速管等)。二次装置为各种电子式、机械式、组合式差压计配以流量显示仪表。差压计的差压敏感元件多为弹性元件。由于差压和流量呈平方根关系,所以流量显示仪表都配有开平方装置,使流量刻度线性化。大多数仪表还设有流量积算装置,以显示累积流量,以便经济核算。这种利用差压测量流量的方法历史悠久,比较成熟,世界各国一般都用于比较重要的场合,占各种流量测量方式约70%。发电厂主蒸汽、给水、凝结水等的流量测量都采用这种表计。
◆ 企业名称:厦门泰尼电气有限公司
◆ 主营业务:DCS,PLC
◆ 经营模式: 贸易
◆ 贸易地区:
◆ 联系人: 小黄《女士》
◆ 电话:
◆手机:
◆ QQ:2917675397
◆ 传真: (备注“01006”收)
◆ E-mail: 2917675397@qq.com
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