Industrial Water Flowmeters are intended particularly for precise measurement of electrically conductive liquids in enclosed pipe systems. These flowmeters employ the magnetic flux permeation concept throughout the whole cross-sectional region of the liquid flow. Electromagnetic flow metres detect electromotive forces to calculate liquid velocity. The flow rate is then computed using an equation that applies to conductive liquids with a minimum conductivity of 5 micro Siemens/cm. Furthermore, these flowmeters are extremely resistant to temperature, pressure, viscosity, and density fluctuations in the flowing liquid.
Working principle of Water Flowmeters:
Faraday's law says that when a conductor passes through a magnetic field of a certain intensity, it creates a voltage proportionate to the relative velocity between the conductor and the magnetic field.
Specifications for an Industrial Water Flowmeter:
- 15 to 400 mm nominal diameter (Nominal Diameter)
- Mild steel, Stainless Steel 304, Stainless Steel 316, and Stainless Steel 316L Electrode Material choices include SS 316, SS 316L, Hastelloy, and Tantalum.
- Process Pressure Maximum: 25 kg/cm2
- 150 degrees Celsius is the maximum process temperature.
- Material of Flow Tube: SS 316 End Connection Options: Flange/Wafer
- Precision: +/- 1% FSD stands for Full Scale Deflection.
- +/- 0.5% Optional Accuracy FSD
- 0.3% repeatability
FAQ - Water Flowmeters:
Q. What factors influence the accuracy of a water flow metre?
A. Certain flow metres' accuracy can be affected by factors such as viscosity, conductivity, temperature, pressure, and water cleanliness.
Q. What are the most important flow metre maintenance practises?
A. To guarantee optimum operation, the flow metre housing should be cleaned on a regular basis and kept free of dirt, moisture, oils, and corrosive chemicals.
Q. What is the best placement for a flow metre?
A. A flow metre should be mounted on top of a horizontal pipe and positioned to prevent flow disruptions for maximum performance. It is advised that a space of 10 times the pipe diameter upstream and 5 times the pipe diameter downstream of the flow metre be maintained.
Q. Is it required to calibrate water flow metres?
A. Yes, calibration is required for reliable measurements with water flow metres. Calibration guarantees that the flow metre continues to produce accurate and consistent readings throughout time.