Is the cycle of Fudan Shenhua formaldehyde meter always on or will it be on after a stop?

We'll open it later. According to the instruction manual of Fudan Shenhua in addition to formaldehyde instrument, Fudan Shenhua in addition to formaldehyde instrument can't be turned on all the time, but should be turned on intermittently, so the cycle of Fudan Shenhua in addition to formaldehyde instrument should be stopped and turned on again. Shanghai Fudan Shenhua Purification Technology Co., Ltd. is a joint-stock company jointly funded by Fudan University, Shenhua Group and Shanghai Venture Capital Company on 1997. It has a large number of senior and intermediate technical managers, carefully researched and developed and obtained a number of patented technologies, and has complete independent intellectual property rights.