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2. In the course of long-term use, ferromagnetic substances are inevitably adsorbed on the float in the pipeline. If there are too many impurities, the float will jam or affect the measurement accuracy, so the measuring tube of the instrument should be cleaned periodically. If the magnetic filter is installed at the inlet of the flowmeter, the magnetic filter should be periodically cleaned.
3. Since the indicator of the instrument is equipped with electronic devices, the instrument must be screwed tightly to keep the housing sealed during the process of disassembling the housing or during use. It must prevent liquids and ferromagnets from entering harmful substances in the instrument. Ensure that the meter's housing is reliably grounded.
4. When using the meter for the first time, pay attention to the following two points:
Liquid measurement: In the process of opening the valve, in order to avoid sudden opening of the valve, the formation of head impact, damage to the instrument, be sure to slowly open the valve.
Gas measurement: Do not pressurize the pipe before opening the valve. If the valve is opened abruptly, the float will rush toward the stopper and may damage the instrument. Therefore, be sure to open the valve slowly. Gauge measuring instruments can be equipped with an aerodynamic damping device to minimize the buoyancy of the float.
5, for the intelligent indicator, first ensure that the electrical wiring is correct, check the error before you can power. Otherwise, it is easy to cause damage to the instrument; for the operation of the key, must follow the instructions for use, do not blindly operate, otherwise it will cause the data stored in the EEPROM inside the instrument to be lost or damaged.
6, the instrument should be stored at -40 °C ~ 55 °C, relative humidity of not more than 90% without rain and snow, sun and corrosive gas erosion place.
7. When the flameproof type instrument needs to open the housing when on-site maintenance, it is necessary to disconnect the power first.
8, when the ambient temperature is lower than -30 °C or higher than 85 °C, the LCD will appear stagnation or black screen, this state is generally not damaged, when the temperature is restored to the working range, automatically return to normal.
9. When cleaning, avoid flushing the meter housing with water to prevent water from entering the instrument housing and damaging the meter.
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1, metal tube float flow meter is a precision device, so in the transportation, installation, storage and use of the process, you must take care to avoid brutal transportation, over-stressed installation, random place phenomenon. It must be ensured that the relative position of the indicator and the sensor can not be changed. Once the relative position changes, it will directly affect the measurement accuracy of the instrument.