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1. Classification of Flow Indicators
The flow indicator with remote transmission output that you mentioned, also known as a flow indicator transmitter, is a visual flowmeter. The difference between it and a flow indicator is that it has an output sensor that can transmit output remotely. Mainly used in stone preparation chamber oil chemical industry, hydraulic lubrication, industrial boilers, pharmaceuticals, food and other industrial equipment. Flow indicator transmitters are mainly classified according to output signals, which are basically divided into three categories: relay output, DC voltage pulse output, and 4-20mA analog signal output. There is basically no difference in structure. Flow indicators are mainly divided into three types according to their indication methods: observation window (also known as mirror) type, dial pointer type, and digital display type. At present, the observation window type has the largest usage and widest range. Observation window type can be divided into single window, double window, glass tube type and other categories (also known by other names). Shandong Huiyuxing Technology Co., Ltd. To learn more about traffic indicators, please visit: http://blog.sina.com.cn/dwyercn
2. What are the recommended manufacturers for flow meters?
3. How to choose a flowmeter?
1、 The flow rate is determined based on the maximum flow rate to choose a flow meter with a larger scale.
2、 Determine the diameter of the flow meter based on the flow rate and industrial pipeline size. Generally, flow meters that are consistent with the pipeline are chosen.
3、 Select the lining of the flowmeter based on the characteristics of the measured medium. For exam
4、 Select the material of the measuring electrode based on the characteristics of the medium. Generally, there are 30
4, 31
6, Hastelloy, titanium, tantalum, and so on.
5、 Select the pressure rating of the flanges connected on both sides based on the pressure rating of the process pipeline.
6、 Choose the protection level. If the sensor is located in the underwater ridge, IP68.
4. What are the components of the filter and wind resistance test bench?
Test bench components: power cleaning part, aerosol generator part. This aerosol generator can continuously and stably generate DEHS particles (particle size range 0.3-3 μ m). The particle counter part uses a dedicated particle counter fixture and structure independently developed by SuXin, with a sampling flow rate of 2.83L/min and a particle size range of 0.3 μ m-10 μ m. The material of the Huazhenghe pipeline is randomly selected from 304 stainless steel to prevent corrosion and rust.. In terms of structural design, consideration has been given to how to facilitate pipeline replacement (when testing filters of different sizes) and other flow monitoring components: using V-cone flow meters for flow detection, pressure difference monitoring components: using imported DWYER electronic pressure difference sensors for pressure difference detection, flow control components: using electric regulating valves to achieve automatic flow adjustment, industrial control data processing components: including PLC, software, and electrical control, etc. Pleas
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