This paper introduced a new intelligent differentialpressuretype double flow meter.
本文介绍了一种新研制的新型智能化差压式双向流量计。
2
The air leak tester of AL-1000A belongs to differentialpressuretype. It is a high precision detecting transducers. It is much economical and widely applied to seal test of product parts.
1000A系列检漏仪采用差压法检测原理，是一款高精度的检测仪器，广泛应用于多种产品的密封性检测。
3
The principle, the design of magnetic circuit and the key technics of the differential transformer typepressure sensor were described.