Coffee review

The use of Coffee concentration Meter and the calculation method of Coffee extraction rate professional coffee knowledge

Published: 2026-04-01 Author: World Gafei
Last Updated: 2026/04/01, ATAGO Instruments has a variety of refraction testers, and there are three concentration meters used in the coffee field: NO:4523 (Brix), NO:4532 (TDS) and NO:4533 (BX/TDS). (hereinafter collectively referred to as 4523, 4532, 4533) the difference between 4523, 4532 and 4533: 4523: read the Brix value, multiplied by 0.85 to convert TDS. The price is relatively convenient

ATAGO Instruments has a variety of refraction testers, and there are three concentration meters used in the coffee field: NO:4523 (Brix), NO:4532 (TDS) and NO:4533 (BX/TDS). (hereinafter collectively referred to as 4523, 4532, 4533)

The difference between 4523, 4532 and 4533:

4523: read the Brix value and multiply it by 0.85 to convert TDS. The price is relatively cheap.

4532: directly read the TDS value, the price is higher than 4523.

4533: read the Brix value and convert the TDS value with one button. The price is the highest of the three.

Cheap: 4523

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

0