Measuring Grid

Measuring Grid

 

a network of lines forming squares of specified dimensions, drawn on transparent paper, glass, or a celluloid sheet and used to determine the area of segments on a map or chart. Grids are also made with other geometric lines, selected for specific purposes. The simplest graph procedure for numerical integration is carried out with measuring grids.

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To further understand the nature of inaccuracy in direct measurement, an additional method, termed the multi-sensor measuring grid, is applied.
A measuring grid in the inlet of the supply air duct and riAht out of the RTU is also constructed for the experiments.
Both the MSAT sensor and the measuring grid in the cooling mode are trustworthy for use.
As presented in this case, the measuring grid does not indicate the true value of the SAT.
In summary, the evaluation of the measuring grid further testifies that the offset error for the MSAT in heating mode varies.
Besides, additional construction, costs, maintenance, and sources for uncertainty are incurred by using the measuring grid.
UA of the supply air duct work from the measuring grid to the outlet is assumed to be constant under both cooling and heating modes.
loss,C]) through the duct work leads to the air temperature change from the measuring grid cross-section to the outlet in the duct.
Measurements of the measuring grid sensors As presented previously, Figure 1 illustrates the arrangement of the measuring-grid temperature sensors.
The target overlaid with a measuring grid and the corresponding reference data file is identified by means of the integrated barcode (Patented procedure).
Automatically nets out bills for a customer with a windmill and two meters -- one measuring grid electricity consumed, the other measuring electricity sold back to the grid.
View an accurate measuring grid to help with sizing questions