How to adjust the parameters of GPI flowmeter | GPI turbine flowmeter

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1. What are the types of quality flow meters?

2. How to adjust the parameters of GPI turbine flow meters?

GPI turbine flow meter parameter adjustment requires three core steps: menu settings, sensor configuration, and calibration verification. The specific operation depends on the instrument model and operating conditions requirements. 1. After entering the main menu for basic parameter settings (usually the default password is four "1"), you need to set: • Flow unit: such as m ³/h or L/min, note that the instantaneous and cumulative flow units need to match. • Decimal digits: Adjust the display digits according to accuracy requirements (such as 100.000m ³). • Small signal cutoff: generally set to less than 5% of the range to filter low flow interference

2. Sensor and signal configuration • Sensor type: must be consistent with the actual type (turbine, vortex street, etc.), otherwise it will cause measurement deviation. Signal type: 4-20mA output: select the "current signal" mode for infiltration. -Pulse output: Select "Pulse Signal" and set the pulse equivalent (e.g. 1 pulse=1L). • Instrument coefficient: directly input the factory calibration value, if not available, on-site calibration through a standard flow source is required

3. Advanced function debugging • Communication settings: configure RS485 address (01-99), baud rate (commonly 9600bps), and Modbus register. Alarm function: Set high/low flow alarm thresholds and switch output modes (normally open/normally closed). • Temperature and pressure compensation: If multi parameter measurement is required, the compensation coefficient needs to be entered after enabling

4. Calibration and verification • Zero point calibration: Manual

5. Menu setting operation. To enter the setting mode, use a specific combination of keys (such as pressing the function key+F key at the same time): - Set the instrument coefficient bit by bit: the upper row displays the pulse frequency, and the lower row inputs the coefficient value (format XXXXXX. XX). -Press the F key to switch settings, and once all settings are completed, the instrument panel will automatically return to working mode. -Accumulated total reset: Press the F key while working to reset.

3. GPI Concept 4- GPI Inc.

GPI, a registered trademark of Great Plains Industries, Inc., is a professional manufacturer of turbine and elliptical gear flow meters with over 30 years of history, and its products are renowned worldwide.

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