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Does it affect the connection of nitrogen pipeline blowing and flow meters? Nitrogen flow meters are very common in the chemical and medical industries. During use, the nitrogen flow meter can easily display the nitrogen flow rate accurately. So homeowners can quickly obtain accurate traffic. However, there are also some factors and conditions that need to be noted in the daily work of nitrogen flow meters. Today, the flow meter manufacturer Qingtian Instrument will explain them to you one by one.
1、 Despite being a precision instrument, nitrogen flow meters are affected by high temperatures. However, its traffic accuracy is also subject to external environmental interference. External high temperature and slight flow deviation can lead to inaccurate flow. So when using a nitrogen flow meter, we need to pay attention to the surrounding environments temperature and humidity.
2、 Adverse weather conditions such as severe cold weather can also affect the accuracy of nitrogen flow meters. Generally speaking, the use of flow meters needs to be carried out under normal temperature conditions. Because the usage environment of the flowmeter cannot be too extreme and special, as it is a very precise instrument. Once the weather environment is harsh, it can also accelerate battery consumption.
3、 Due to uncontrollable factors, in addition to high and cold weather, we also need to consider many uncontrollable factors when using nitrogen flow meters. These external uncontrollable factors can also affect the accuracy of traffic. But overall, or socks, this situation is not common, so there is no need to cause panic or excessive worry.
2. How to calculate the calibration coefficient of nitrogen ethylen
Method for calculating the calibration coefficient of nitrogen ethylene mass flow meter
1. Calculation formula: Calibration coefficient (K)=true mass flow rate (Mtrue)/measured mass flow rate (Mmeasy) 2. Specific steps 2.1 Obtaining true mass flow rate • Weight method: Use a high-precision scale to measure the mass of gas flowing into the container within a fixed time (such as collecting 150kg of ethylene in 300 seconds), Mtrue=mass/time (0.5kg/s).
. Standard table method: Use a calibrated standard flow meter to measure flow rate, convert it to mass flow rate based on gas density (e.g. nitrogen 2.2m ³/h needs to be multiplied by the current density). 2.2 Record the reading of the flow meter to be calibrated and directly read the displayed value of the flow meter to be calibrated (as shown in the example above, 0.48kg/s). 2.3 Calculate the correction coefficient. Songzao Town will input the data into the formula: K=0.5/0.48 ≈ 1.04. three Attention - Measurements should be taken under stable working conditions (constant temperature, constant pressure, and wide range). -Suggest taking the average of multiple measurements (such as 5 times) to improve accuracy.3. Introduction to Nitrogen Flow Meter
The nitrogen flow meter is manufactured using the Karman vortex street principle, which has the advantages of high measurement accuracy, wide range, low power consumption, easy installation, simple operation, and low pressure loss. It can measure the volumetric flow rate of working conditions or standard volumetric flow rate (integrated intelligent temperature and pressure compensation), and can be equipped with pulse or 4-20mADC electric pin side flow output function according to u
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