The invention concerns a measuring device for airflow for an air duct system, which measuring device comprises one or more measuring flanges, and which air duct system comprises two or more pipes 2, 4, 6, with preferably different diameters, to at least one of which the measuring flanges'...
This how-to guide explains why and how to conduct a duct traverse, how to insert the measuring device and a step-by-step process of taking the measurements. Tips and additional resources are included.
Evaluation of Flow Capture Techniques for Measuring HVAC Grille Airflows Iain S. Walker, Ph.D. Craig P. Wray, P.Eng. ASHRAE Member ASHRAE Member ABSTRACT T... IS Walker,CP Wray 被引量: 12发表: 2002年 Field measurement of the acoustical and airflow performance of interior natural-ventilatio...
Determination of wind speed and air volume in the ventilation duct is converted by measuring pressure. Measure the real pressure value of the gas in the pipeline, in addition to the correct use of pressure measuring instruments, a reasonable choice of measurement section, and...
Device and method for measuring the air permeability of a building which the duct is shut off by the shut-off member for a reference pressure difference determining, from the degree of shutting-off, either corresponding air flow rate through the duct, or a parameter representative of the air ...
INTERSECTION DEVICE FOR DUCT 优质文献 相似文献Blood pressure meter for use with duct housing, has pressure generating device, pressure storage device, pressure measuring device and air duct, which is c... The blood pressure meter has a pressure generating device, a pressure storage device and a ...
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Exception: Duct length shall not be limited where the duct system complies with the manufacturer's design criteria or where the flow rate of the installed ventilating equipment is verified by the installer or approved third party using a flow hood, flow grid or other airflow measuring device. ...
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Define duct gland. duct gland synonyms, duct gland pronunciation, duct gland translation, English dictionary definition of duct gland. Noun 1. duct gland - a gland that secretes externally through a duct exocrine, exocrine gland gland, secreter, secretor