303-6 What is relationship between National Standard GB 1482 and international standard ISO 4490 in the hall flowmeter related standards?

303-6 What is relationship between National Standard GB 1482 and international standard ISO 4490 in the hall flowmeter related standards?

GB 1482 is Chinese national standard. ISO 4490 is international standard. GB 1482 is approximately equal to ISO 4490. Both are standards related to the determination of powder flow rate of metallic powders.

AS-300A Automatic Hall Flowmeter produced by HMKTest meets the requirements both of these two standards at the same time.

AS-300A Automatic Hall Flowmeter by HMKTest

空气喷射筛https://www.hmk17.com