Abstract: The information on the maintenance work of the metal tube float flow meter started in the Spring Festival is provided by the excellent flow meter and flow meter manufacturers and quotation manufacturers. Happy Chinese New Year in the Year of the Monkey, Vientiane is renewed, and the happy Spring Festival holiday with the sound of firecrackers will soon pass. Today, on the eighth day of the first lunar month, many enterprises have already opened and started construction. Here we, Changzhou Liangbang Instrument Co., Ltd. New and old customers thanks. For more
flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of the article on the maintenance work of metal tube float flowmeters started in the new year. Happy New Year in the Year of the Monkey, Vientiane is renewed, and the joyous Spring Festival holiday with the sound of firecrackers will soon pass. Today, on the eighth day of the first lunar month, many enterprises have already opened and started construction. New Year's greetings from customers, I wish you all a smooth work, good health, good luck, family happiness, wealth, and good luck in the new year. When the new year starts, many companies want to reuse our flow meters after going to work, some are used directly, some are used on equipment and so on. There are also many companies that are also using flowmeters during the Spring Festival, which is the so-called machine without people. So let's talk about the maintenance and maintenance of our metal rotameter before use after the Spring Festival. We will explain in detail the actual failures encountered: 1. The pointer of the field metal tube rotameter shakes: 1. Slight pointer shake: generally caused by medium fluctuations. It can be overcome by increasing damping. 2. Moderate pointer jitter: generally caused by the flow of the medium. For gas, it is generally caused by the unstable operating pressure of the medium. A constant voltage or constant flow device can be used to overcome or increase the gas damping of the rotameter. 3. Severe pointer shaking: mainly due to medium pulsation, unstable air pressure or the pressure, temperature and flow rate of the gas operating state given by the user do not match the actual state of the rotameter. 2. The main reason for this situation is that the float of the float flowmeter is stuck. Generally, because the valve is opened too fast when the float flowmeter is used, the float quickly hits the stopper upwards, causing the stopper to deform and the float to be stuck. However, it is not excluded that the float is stuck due to the misalignment of the float guide rod and the stop ring. When handling, remove the meter, remove the deformed stopper and reshape it, and check whether it is concentric with the guide rod. If it is not concentric, it can be corrected, then install the float, push the float by hand, and feel that the float is unobstructed up and down. Yes, in addition, the rotameter must be installed vertically or horizontally, and cannot be tilted, otherwise it will easily cause the meter to jam and bring errors to the measurement. Another situation is that the flowmeter may not be used during the Spring Festival, and then the magnetic steel inside the pointer of the metal tube float flowmeter is broken. If this happens, the magnetic steel should be replaced with the manufacturer in time. Problems that are prone to occur in the metal tube float flowmeter with liquid crystal display: 1. No current output 1. First, check whether the wiring is correct. 2. Check whether the LCD has a display, if there is no output, it is mostly because the output tube is broken, and the circuit board needs to be replaced. 3. Loss of calibration value. Due to the failure of E2PROM, the calibration data of the meter is lost, and it will also cause no output current, and the current will remain unchanged. Solution: The data recovery operation is available. If it does not work, you can set the data in password 2000 first, and then set the data in password 4011. The method is to manually push the pointer to calibrate the data from RP to 100%. 2. No on-site display 1. Check whether the wiring is correct. 2. Check whether the power supply is correct. 3. Reinstall the LCD module and check if the contact is not correct. 4. For multi-wire power supply mode, check whether terminals 12 and 13 are connected to an ammeter or short-circuited. 3. The on-site LCD always displays 0 or full scale 1. Check the range and zero parameters set in the 2000 password. ZERO is required to be less than the value of SPAN, and the two values cannot be equal. 2. Check whether the sampling data comes up, and push the pointer to see the change of the sampling value. If there is no change, the sampling circuit of the circuit board is generally faulty, and the circuit board needs to be replaced. Fourth, the alarm with the alarm switch is incorrect 1. Check that the deviation setting d value should not be too large. 2. In the FUN function, whether the logic function is correct. HA-A means upper bound positive logic. LA-A represents lower limit positive logic. 3. Check the setting size of the alarm value in SU. 4. If the LCD bar code indication is correct and the output has no action, you can check whether the external power supply and the negative pole of the external power supply are connected to the negative pole of the instrument power supply. 5. The circuit board is faulty, replace the circuit board. 5. Incorrect cumulative pulse output 1. Check whether the alarm value of the channel selected for cumulative pulse output is set to zero. 2. The circuit board is faulty, replace the circuit board. Finally, we hope that the majority of customers will work smoothly after the start of construction, and it is best that the flowmeter does not have the above problems. If there is a use problem,It can also be obtained from our after-sales technicians in time, we will help you solve the problem at the best time. When buying flowmeters and liquid
level gauges, please choose a big brand -- the product quality is guaranteed, with many years of rich production experience, and a professional after-sales and pre-sales technical service team. Let you buy at ease and use it comfortably. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precautions for Maintenance of Metal Tube Float Flow Meters Started in the Spring Festival'
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