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1. Password for Cologne Vortex Flow Meter 4200
The password for Cologne Vortex Flow Meter 4200 is the regular password 19818. The first level password is 0521, which can only be viewed and cannot be modified. The second level password is 5864, which can be used for modification. The regular password is 19818, which is unique to the manufacturer and cannot be modified by the user. The password for the Fuxi Cologne vortex flowmeter is a regular password, and modification requires contacting the factorys friend Ranjia.
2. Password for Tianjin Zhongyi Vortex Flow Meter
Currently, public information has not clearly indicated the specific password for Tianjin Zhongyi Vortex Flow Meter.
. 1. Conventional solution path device passwords are usually bound to product models and brand strategies. In general, flow meters may use common combinations such as 00, 0000, or 1111 as initial passwords when leaving the factory. It is recommended to test these default values first. If the attempt is unsuccessful, you need to turn to more formal channels. 2. Key acquisition methods: Product manual inquiry: check the technical documentation or user manual attached to the device. Passwords are usually printed in the security operation chapter or parameter setting appendix. Official technical docking: Call Tianjin Zhongyi 400 customer service or contact technical support through the official website. You need to provide a photo of the equipment model nameplate and purchase voucher for identity verification. ● Industry forum search: Search for password discussion posts for specific models on industrial control forums (such as Chi
3. Password reset operation. If there is a situation where the password is forgotten and the manufacturer cannot be contacted, some devices support restoring factory settings through hardware reset. Usually, the RESET button can be found on the circuit board (requiring lid opening operation), long press for 15 seconds, and then restart the device. Attention: This method may clear historical running data, and risks need to be evaluated before operation.
3. Password for Jingyi Wojie Flow Meter
The default password for Jingyi Vortex Flow Meter varies depending on the model. The passwords for common models are as follows
1. General model password • User level password: mostly 1234 • Expert level/calibration password: commonly 0058 or 000502.
Specific model reference password • If it is a Cologne OEM model: expert level password 0058 • If it is a Miao Si Te homologous model: password 00050 • If it is a 4-20mA signal calibration: try 000403 If the above password is invalid, you need to obtain the exclusive password through Jingyis official technical support (phone) or the specific model on the equipment nameplate. Some old models need to be returned to the factory for unlocking4. Precautions for operation: inputting the wrong password may cause the device to lock if it exceeds the limit. Non professionals are advised not to attempt advanced permission operations on their own. Parameter modifications require recording the original values for future reference.


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