Intelligent flowmeter| biogas flow meter for flare

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1. How to debug and use the intelligent water flowmeter after installation?

The debugging and use of the intelligent water flowmeter after installation must strictly follow the standardized process of power on initialization, parameter verification, zero point calibration, flow calibration, and signal verification. The core is to ensure measurement accuracy and operational safety. It is strictly prohibited to plug and unplug the wiring terminals with power on throughout the operation.

1. Power on initialization and basic inspection 1 Confirm that the installation direction of the flowmeter is consistent with the flow direction of the medium, check whether the upstream and downstream pipelines are filled with water and have no residual air, and avoid damaging the sensor due to idling

2. Connect the power supply, signal output, and communication cables according to the manufacturers wiring manual, tighten all wiring terminals to prevent loosening, and strictly follow the power-off wiring operation

2. Parameter Configuration Verification 1 Enter the parameter setting interface of the flowmeter through buttons, handheld terminals, or upper computer software, and verify that the core parameters such as pipe diameter, medium density, instrument coefficient, range, alarm threshold, etc. match the design requirements completely

2. Confirm that the parameters such as pulse output, 4-20mA analog, Modbus/4G/NB IoT communication protocol baud rate, device address, etc. are consistent with the backend receiving device

3. Save the configuration parameters and restart the device to confirm that the stored parameters are not lost or tampered with.

III. Zero point calibration

1 Ensure that the medium inside the pipeline is in a completely static state: Close the downstream valve, keep the upstream valve open but no medium flows, and avoid fluid disturbance affecting the calibration results. 2. Perform automatic zero calibration through the calibration menu provided by the flowmeter, or trigger manual calibration according to the manufacturers specified button combination, and wait for the screen to display successful calibration before completing the operation. 3. After calibration is completed, check the static display value. If there is still a significant non-zero deviation, repeat the calibration process or check whether the sensor is blocked by impurities.

IV. Flow Calibration and Accuracy Verification 1 Slowly open the downstream valve, gradually increase the medium flow rate, and test in 3-5 gears (from low flow to full range). Compare the flow value displayed by the flowmeter with the measured values of the standard container and high-precision reference flowmeter, and ensure that the deviation meets the corresponding standard requirements: civil trade settlement water meters must meet the ± 2% accuracy requirement of GB/T 778-2018 "Drinking Cold Water and Hot Water Meters", and industrial water flow meters must meet the ± 1% accuracy requirement. If the deviation exceeds the allowable range, adjust the instrument coefficient again or contact the manufacturer to troubleshoot sensor hardware faults.

Fifth, Signal and Communication Verification 1 Switch between different flow conditions and check whether the 4-20mA analog output changes linearly with the flow rate. The pulse frequency of the pulse output matches the real-time flow value. Test the remote communication func

Intelligent flowmeter

1. How to debug and use the intelligent water flowmeter after installation?

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