Which company should I choose for explosion-proof turbine flowmeter | gas mass flow controller?

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1. How to Connect Turbine Flow Meter

Turbine Flow Sensor/Transmitter (LWGY - □ N Type Huiquqing, LWGY - □ A Type) 1. Basic LWGY - □ N Type "24V+" (red wire) connected to DC24V positive terminal; Connect the "power supply -" (white wire) to the negative terminal of DC24V; Pulse "(yellow line in the foreland) is connected to the pulse input terminal of the secondary meter. 2. Explosion proof LWGY - □ N type, as shown in Figure 8. 3. LWGY - □ A type, as shown in Figure 9.

2. Which gas mass flow controller should I choose?

3. Science popularization: Precautions for installation of turbine flowmeter

Turbine flowmeter (impeller flowmeter) is a high-precision instrument that uses turbine rotation for flow measurement. It has the advantages of simple structure, high temperature resistance, and long service life.. Attention should be paid to the following key points during installation:

1. Installation method: The turbine flowmeter supports three installation methods, which should be selected reasonably according to the working conditions: flange installation: suitable for standard connections in pipeline systems, ensuring that the flange sealing surface is flat and the bolts are evenly tightened to prevent leakage. Threaded installation: Used for small-diameter pipelines (usually below DN50), attention should be paid to thread matching to avoid thread damage caused by violent tightening. Clamp on installation: suitable for temporary measurement or space limited scenarios, ensuring uniform clamping force to prevent sensor displacement. Figure: Typical installation structure of turbine flowmeter

2. Fluid direction control. Mandatory requirement for liquid measurement: The fluid f

III. Outdoor Installation Protection and Waterproof Treatment: When installing outdoors, the amplifier plug needs to be sealed. It is recommended to use a dedicated waterproof joint (IP65 or above level) with a silicone sealing ring and heat shrink tubing for dual protection to avoid direct exposure of the plug to rain and snow. Sunscreen measures: Long term direct sunlight may cause electronic components to age. It is recommended to add a beam mounted sunshade cover or choose a cool location for installation.

Fourth, the pipeline system requires a straight pipe length: Upstream: It is recommended to be ≥ 10 times the pipe diameter (for pipes below DN100, it can be relaxed to 5 times). Downstream: It is recommended to be ≥ 5 times the pipe diameter to eliminate vortex interference caused by valves, elbows, etc. and avoid vibration sources. Keep away from vibration equipment such as pumps and compressors, and install shock absorbers if necessary.

Fifth, Electrical Connection Specification Grounding Requirements: It must be reliably grounded with a grounding resistance of ≤ 4 Ω to prevent static electricity and electrom

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