![User Manual for Tianxin TBQZ-300 Intelligent Gas Turbine Flow Meter: [2] | Measurement Range and Working Pressure of Intelligent Liquid Turbine Flow Meter|](/Files/sf/tclkcf/6 (7)_500x500.jpg)
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1. User Manual for Tianxin TBQZ-300 Intelligent Gas Turbine Flow Meter: [2]
The core content of the user manual for Tianxin TBQZ-300 Intelligent Gas Turbine Flow Meter is as follows:
1. Product Overview Tianxin TBQZ-300 Intelligent Gas Turbine Flow Meter is a high-precision and highly reliable flow measurement instrument, suitable for measuring clean gases such as natural gas, city gas, propane, etc. The core component is the turbine sensor, which drives the turbine to rotate through gas flow. The speed is proportional to the flow rate and is processed by an intelligent module to output a standard signal. The product has explosion-proof design (ExdIICT6) and is suitable for industrial hazardous areas.
2. Installation requirements Environmental conditions: The installation location should be far away from vibration sources and strong electromagnetic interference, with an ambient temperature of -20 ℃~+60 ℃ and a relative humidity of ≤ 95%.
. Pipeline requirements: A straight pipe section should be installed before and after the flow stove monitoring gauge. The length of the front straight pipe section should be ≥ 10DN, and the length of the rear straight pipe section should be ≥ 5DN (DN is the nominal diameter of the pipeline). The inner wall of the pipeline should be smooth and free of defects such as welds and burrs. When installed vertically, the gas flow direction should be from bottom to top; When installing horizontally, it is necessary to ensure that the axis of the flowmeter is consistent with the axis of the pipeline. Electrical connection: Power supply voltage: DC24V ± 15% or AC220V ± 10%. Signal output: 4-20mA, pulse, RS485, etc., need to be configured according to requirements.
>III. Operation method Power on self-test: After connecting the power, the flowmeter automatically performs self-test, and the display screen shows "SELF-TEST". After the self-test is completed, it enters normal working state.. Parameter setting: Set parameters such as flow unit, range, pulse equivalent, etc. through buttons or upper computer software. Set password protection function to prevent unauthorized modification. Data query: Real time display of instantaneous flow rate, cumulative flow rate, temperature, pressure and other parameters. Supports data storage function and can query historical records. 4. Maintenance and Regular Inspection: Check the appearance and connection parts of the flowmeter for looseness every 3 months, and conduct a comprehensive calibration every 12 months. Cleaning and maintenance: Wipe the shell with a soft cloth and avoid using corrosive cleaning agents; Regularly clean the filter to prevent impurities from entering the flowmeter. Moisture proof treatment: If not noticed during long-term use, the power should be disconnected, the internal moisture of the flowmeter should be drained, and it should be placed in a dry environment. 5. Common faults and solutions Fault 1: No flow signal output Reason: Power supply not connected, signal line open circuit, turbine stuck.
. Solution: Check the power supply and circuit connections; Disassemble the flow meter to clean impurities from the turbine. Fault 2: Unstable flow display Reason: Gas contains liquid, insufficient straight pipe section, incorrect parameter settings. Solution: Install gas-liquid separator; Adjust the length of the straight pipe section; Re calibrate the parameters. Fault 3: Large cumulative flow error Reason: Sen
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