Holiday notice: We will be off for the Chinese Lunar New Year Holiday between Feb 13th and 23th. Responses may be delayed. Welch US and India operate normally.
In the second part of this article, we explain the composition of an HPLC pump and the terminologies behind, as well as practical troubleshooting and preventive maintenance methods and schedules to pump failures.
In the first part of this article, we explain common misconceptions of HPLC pumps, from the number of pump channels (and why they don't equal the number of pump heads or modules) to the differences between high- and low-pressure systems, and parallel and serial pumps.