What is the password of Coreda electromagnetic flowmeter?

025 1。 There are many kinds of passwords for Coreda electromagnetic flowmeter, namely 1 level password 052 1, which can only be viewed but not modified; level 2 password 5864, which can modify the conventional password, and top password 198 18, which is unique to the manufacturer and cannot be changed. Hebei Keruida Instrument Technology Co., Ltd. was established in 2006 with a registered capital of 46.2 million yuan. Is a new third board listed company, specializing in electrochemical analysis instruments and transmitters, as well as system integration based on electrochemical parameter instruments.