Blog - Just Measure it
Flow meter

Gas turbine flow meter failure analysis-there is display when no flow

● Interference problem: Ask the instrument if there is an external power supply, if there is, remove both the external...
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Flow meter

Gas turbine flow meter fault analysis – pressure display 0 or inaccurate

The pressure range selection is large, and the small field pressure cannot be collected. The pressure calibration parameters in the...
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Flow meter

Gas turbine flow meter fault analysis – Abnormal temperature display

If the temperature display is abnormally high when the battery is powered, the battery is dead. If the temperature display...
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Flow meter

Gas turbine flow meter fault analysis – no pulse output

● Since D2 is a dual power supply, to determine whether 24V is properly powered, unplug the battery or test...
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Flow meter

Gas turbine flow meter fault analysis – no pulse equivalent output

● Since D2 is a dual power supply, to determine whether 24V is properly supplied, unplug the battery or test...
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Flow meter

Gas turbine flow meter fault analysis – meter shows 0 with no flow but current output

Connect two-wire or three-wire, three-wire from the terminal AGND (GND) lead break wire with the case short or the black...
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Flow meter

Gas turbine flow meter fault analysis – screen does not light up

Measure if the power supply voltage is normal or if the battery (not less than 3V) is charged at the...
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Flow meter

Turbine flowmeter fault – meter slowly zeroing in operation

● Worn or damaged movement● The flow rate becomes smaller due to a gradual lack of pressure in the pipeline...
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Flow meter

Turbine flowmeter fault – flow indication when not running

 ● Whether it is an industrial frequency disturbance (50HZ), characteristic: a value is displayed that does not change;this value can...
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Flow meter

Turbine flowmeter failure – 485 communication not working

Default address 001, baud rate 9600, n without parity, 8 bits of data, 1 bit of stop Is the instrument...
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Flow meter

Turbine flow meter fault – no pulse output

● Pulse mode and pulse equivalent can be modified in the parameters, refer to the manual for details ● Pulse...
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Flow meter

Turbine flowmeter fault – current zero point drift

● The blue potentiometer can be adjusted by unscrewing the front cover directly; see pictureLeft zero, right full4mA potentiometer on...
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Flow meter

Turbine flowmeter fault – screen does not light up

● Measure if the voltage supply to the instrument is normal or if the battery is charged ● Consider whether...
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Flow meter

Turbine flowmeter fault – current output abnormal

(1) Three-wire current, current output is not normal: ● Pay attention to the wiring: 24V, COM (GND), IOUT ● Measure...
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Flow meter

Gas turbine flow meter fault-485 communication problems or no communication

The default address of the instrument is 001, baud rate 9600, n without checksum, 8 bits of data, 1 bit...
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Flow meter

Gas turbine flow meter fault-fast flow display

Whether the customer has moved the parameters Is the installation in accordance with the requirements Whether the flow rate is...
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Flow meter

Gas turbine flow meter fault-Slow flow display

● Whether the customer has set the parameters ● Is the installation in accordance with the requirements ● Whether the...
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Flow meter

Turbine flow meter fault-Abnormal temperature/pressure display

Abnormal instrument temperature displayIf the temperature display is abnormally high when the battery is powered, the battery is dead.If the...
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Flow meter

Vortex flow meter fault -display 0 when meter has flow

Ask if the flow rate at the site is lower than the lower limit, then change the small flow rate...
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Flow meter

Vortex flow meter fault-Incorrect flow rate display

● Check that the temperature and pressure of the instrument are displayed properly ● Ask the customer about the inaccuracy...
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