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2. Password for Sanfeng Instrument Flow Meter
List of Password Levels and Permissions for Different Models of Sanfeng Instrument Flow Meter
1. Password System for Digital Liquid Flow Meter This type of instrument has a total of 0-4 level passwords, with permissions ranging from low to high: Level 0 (fixed 0521): Only view permissions, can read all parameters and cannot be modified.
. Level 1 (Factory 7206): Supports adjusting the basic operational indicators of parameters 1-25. Level 2 (Factory 3110): Extended to the intermediate management range for adjusting parameters 1-29. Level 3 (Factory 2901): Open advanced control permissions for parameters 1-38 and the total reset function. Level 4 (fixed value): The nuclear code has the core management authority of parameter initialization and full parameter modification permissions.2. The electromagnetic flowmeter password system is divided into 6 levels, and the first 4 levels are applicable to daily operations. Level 1 (factory 0521): Basic parameter viewing permissions cover all setting items. Level 2 (Factory 3210): Allow adjustment of the operating benchmark values for parameters 1-22. Level 3 (Factory 6108): Performance Indicator Module for Extended Control Parameters 1-24. Level 4 (Factory 7206): The jurisdiction has been extended to the comprehensive adjustment level of parameters 1-26. Level 5-6 (fixed password): Full parameter reset permission reserved by the manufacturer, unauthorized operations are prohibited. For specific Si Shi blind operation suggestions, it is recommended to refer to the equipment manual first. There may be parameter changes in instrument version updates, and key
3. How to view the scale of the flowmeter
The way to view the scale of the flowmeter needs to be operated according to the type, and the key point is to find the reading reference point (such as the upper edge of the rotor or pointer) or directly read the data on the display screen.
. 1. Appearance features of glass rotor flowmeter: The vertical conical glass tube is equipped with a rotor that can float up and down, and there are scale markings on the outside of the tube. Operation focus: Keep your line of sight level with the upper edge of the rotor, and read this scale value, usually in L/h or m ³/h. This method can reduce errors caused by looking up or down. two Appearance features of metal tube float flowmeter: The metal shell protects the internal structure, and the surface is equipped with a circular dial and pointer with scales. Operation focus: Directly observe the scale value pointed by the pointer tip, and the range and unit (such as 0-100m ³/h) will be marked on the outer edge of the dial. No conversion is required when reading. three Appearance features of electromagnetic flowmeter: No mechanical moving parts, real-time flow data is displayed through LCD/LED display screen. Operation focus: The screen interface usually displays instantaneous flow (such as 12.5L/s) and cumulative flow (such as 356m ³) in different zones, and some models require the operation of buttons to switch display modules. four The characteristics of the vortex flowmeter are as follows: the main body is a pipeline structure, and a multifunctional digital display head is installed on the top. Operation focus: The header screen can display parameter