5,838
edits
FAQ: Difference between revisions
m
→Pressure: Tweaked
m (→Pressure: Tweaked) |
|||
| Line 620: | Line 620: | ||
== Pressure == | == Pressure == | ||
Varies with altitude and temperature, but no significant variation with spatial position with regard to nearby fixed bulky objects. Often measured indoors, | Varies with altitude and temperature, but no significant variation with spatial position with regard to nearby fixed bulky objects. Often measured indoors, do not mount above any heating or cooling system as there temperature may be particularly variable, and try to avoid any forced ventilation or extraction as such air moving systems could have different pressures on intake and outlet sides. Equally operation in close proximity to opening doors/windows or to fast moving (road or railway) vehicles or tunnels can distort readings. | ||
== Solar == | == Solar == | ||
It is obvious really, solar sensors should be positioned for maximum unshaded exposure to sunlight throughout the year. | It is obvious really, solar sensors should be positioned for maximum unshaded exposure to sunlight throughout the year. | ||