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Saeed Lanjekar
18 Jun, 2025
5 Mins
The thermal mass flow meter features a detour tube requiring a 30-minute warm-up to achieve full stated accuracy of ±0.5% of reading plus ±0.1% of full scale. However, high accuracy is generally attainable even before the warm-up period is completed. Typically, the device can reach an accuracy of ±2% of reading within moments.
Thermal mass flow meters are crafted with a high degree of particulate and chemical cleanliness, making them suitable for high-purity applications. These include semiconductor, analytical, and medical applications. Using materials like 316L stainless steel ensures durability, even when handling corrosive gases. Although this increases cost, it ensures the product's longevity. When purchasing a thermal mass flow meter, consider the construction materials (wetted parts) and compare their chemical compatibility with the gases they will contact. Some thermal mass flow devices employing a detour system offer unique solutions for managing corrosive materials.
Significant factors must be considered when specifying a thermal mass flowmeter to ensure accuracy in a gas flow application. Thermal mass flow meters (TMFMs) measure or monitor the mass flow of air, gas, or gas mixtures in numerous applications. Like any flow meter technology, they excel in certain applications while being less suitable for others. Understanding how the meter differs from other measurement technologies is crucial. This discussion reviews the primary factors to consider when determining if a thermal mass flow meter will work effectively in an application.
Understanding the difference between a thermal mass flow meter and other measurement technologies is the first step in deciding if the TMFM is appropriate for an application. The main difference between a TMFM and other technologies is that it measures mass flow directly rather than volumetric flow based on heat transfer.
For those in Mumbai seeking high-precision thermal mass flow meters for various industrial applications, selecting the right device ensures operational efficiency and longevity.
I’m Saeed Lanjekar, founder of Burak Metering. With a background in engineering and technology, I’ve dedicated my career to creating advanced metering solutions that push the boundaries of accuracy and efficiency. At Burak Metering, we’re committed to delivering top-notch technology and driving innovation in the metering industry.
