In the past decade，With the deep penetration of liquid nitrogen technology in fields such as aerospace, biomedicine, and automated manufacturing, the precision of sample storage and process control in ultra-low temperature environments has become a core demand in the industry. However, traditional monitoring methods have long faced the following bottlenecks: conventional mass flow meters only support the temperature range of -40 ℃ to+80 ℃ and cannot meet the stable operation requirements at the boiling point of liquid nitrogen (-196 ℃); Some flow meters are exposed to such special environments for a long time, and due to the severe temperature difference inside and outside the storage tank, it is easy to cause a significant decrease in measurement accuracy or data drift, resulting in flow meter failure, inaccurate measurement, production interruption, and significant losses.

Solution

To cope with the challenges of the harsh working conditions mentioned above，ACCU(Beijing Jingliang Technology)With more than ten years of accumulation in fluid measurement and control technology, we provide solutions:ACU20FEH-LM small flow Coriolis mass flowmeter；

This independently developed and produced mass flowmeter adopts the Coriolis principle, which can directly measure mass flow without being affected by other characteristics of the fluid. Different from other large specificationsCoriolis flowmeterThis Coriolis mass flowmeter is better at precise measurement and control of small flow rates, and has been maturely applied in various fields of scientific research experiments and industrial production.

With the increasing demand for ultra-low temperature medium flow measurement and control, we have optimized and expanded the performance of the ACU20FEH-LM Coriolis mass flowmeter. CurrentlyCan withstand low temperatures up to -196 ℃Combined with a remote control system, precise measurement of ultra-low temperature fluids has been achieved, which can continuously or intermittently output instantaneous flow rate or cumulative flow rate.

Core Highlights

1high precisionandHigh repeatability

ACU20FE micro Coriolis mass flowmeter can achieveHigh precision measurement, high resolution,Measurable small flow rate, minimum measurable 0.05g/hThe accuracy can reach 0.25%~0.5% F.S, and the liquid measurement accuracy can reach ± 0.25% F.S,The measurement ratio can reach up to 100 to 1，Effectively eliminating measurement errors and possessing excellent repeatability,forUsers provide stable and reliable traffic data.

2corrosion-resistant

3low-temperature resistant

ACU20FE Micro Coriolis Mass Flow MeterCapable of withstanding low temperatures,Inlowerof（-196℃）the temperatureStill able toStable operation, continuously providing accurate and reliable traffic data，Assist users in achieving process control and production optimization.

4Wide measurement range

This flowmeter covers a wide range from microflow to medium to high flow rates, including:

• Low range: 0~(20g/h~50kg/h)

• Medium range: 0~(50kg/h~100kg/h)

• Large scale process: 0~(100kg/h~300kg/h)

• Ultra large range: 0~(300kg/h~1000kg/h)

Can be applied to high-precision measurement requirements under different flow conditions.

5. Goodadaptability

The Coriolis mass flow controller/flowmeter is not affected by the physical properties of the fluid and can meet various fluid applications.Suitable for various gases (such as air, nitrogen, oxygen, etc.) and liquid media (including water, oil, organic solvents, etc.), with good versatility and stability.

6. Communication signal