美国ALICAT，ALICAT气体质量流量计，
ALICAT气体质量流量计利用两个已研究透彻的气体物理属性：压力和粘性来测量流量。通过层状流量单元的差压测量来计算流量，这种测量方式具有固有的线性。采用差压、绝压和温度传感器来测量并补偿气体的压力、温度，测量标准状态（如1个大气压@25℃）下气体的体积流量。可测量4种参数：质量流量、体积流量、温度和绝压，可选累计流量，并且可以通过动态显示屏同时显示。可选电池使得该款产品方便携带，常用于测试和校准工具。另外提供用户定制满足您特殊需求。
ALICAT气体体积流量计采用差压传感器来测量当前状态下的体积流量。由于它没有内置绝压和温度传感器，价格会便宜一些，是相对于质量流量计的另一种选择。 ALICAT产品广泛应用于医药、工业、过程控制、实验室、OEM、替换热式质量流量计、泄漏测试。
Alicat Scientifics mass flow devices are NIST traceable and are backed by an unsurpassed history of performance and reliability. We at Alicat have spent the last decade fulfilling our goal of helping customers build reliable, repeatable, and dependable systems incorporating our feature-rich, precision mass flow meters and mass flow controllers. Our devices have been instrumental in helping customers save time and money by reducing downtime and material loss and increasing measurement precision. Alicat Scientific has earned a solid reputation by providing accurate and dependable products and never wavering from a strict policy of superior customer support.
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