Thermal mass flow meter TM500™

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Direct measurement of gas mass flow / No volume to mass calculations DigiSense™ robust sensor design AC or DC power Use optional Gas-Mix™ feature to easily change gas selection or create gas mixes in the field - no recal required Overview Built to Tell the Truth. Whether you're a facilities manager or a process, energy, or environmental engineer, the questions are the same. Are the flow measurements you're getting for your system accurate and reliable? How quickly can you make necessary adjustments in the field that you can depend on? The Sierra TM500 promises precision, speed, and the field flexibility you need to adjust gas mixes and configure meter settings to maintain optimum process efficiency. Designed for the most demanding industrial processes in facilities management, chemical plants, gas refineries, and petrochemical production, Sierra flow measurement instruments are built to last and meet your application, budget, and delivery needs. The TM500 makes you smarter and your processes more reliably efficient. And we're always here if you need us—Sierra's promise to customers for 50 years. Why Thermal? Sierra's thermal technology delivers direct measurement of gas mass flow. Unlike differential pressure (dP) meters that measure volumetric flow, it’s simpler to make and maintain, and no temperature or pressure corrections are required. dP requires additional calculations to convert volumetric flow to mass flow, the measurement that most often needs to be reported. That reduces accuracy. Thermal has negligible pressure drop or flow restrictions, significantly reducing expense once the full ownership cost is considered.