Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able to ...

[Nubmian] wrote in to share his experiments with measuring airflow in an HVAC system. His first video deals with using with ultrasonic sensors. He found an interesting white paper that described ...

Rotameter flow meters are devices that can measure the flowrate of liquids and gases. Generally, the rotameter is a tube made of plastic, glass or metal combined with a float, which responds linearly ...

Uneven distribution of coal flow to burners can lead to higher NOx emissions and increased operating costs. A new laboratory is studying measurement instruments and control approaches to help power ...

Instrument calibration should never be taken for granted, and thermal mass flowmeters are no exception. Flowmeters can be built with the highest safety ratings, features, and functions and the most ...

The main application of the rotameter flow meter is to measure the flowrate of liquids and gases. It is composed of a plastic, metal or glass tube and float. The float response to flowrate changes is ...

Understand isokinetic sampling in unidirectional airflow to support accurate particle monitoring and cleanroom compliance.

Discussing port volumes as a measure of evaluating potential engine performance. Over time, we've used this column as a forum to discuss various aspects of engine air flow. One topic we've not ...

Know your options when selecting the appropriate flowmeter technology to measure natural gas, water, and steam in power generation. In many chemical plants, the electricity the plant uses is derived ...