HSE guide on the use of the Dust Lamp. Great tool as the images on this guidance note show. MDHS 82/2 Dust Lamp The Dust Lamp will show all dust but it is particularly impressive when it comes to the …
For Captor Hoods – Fletcher’s Nomogram chart for manual calculations of Hood Entry Velocity required to achieve a nominated minimum Captor Velocity at a chosen distance out from the hood (Captor Distance). All units must be in metric Select hood …
Useful diagram for estimating the relative duct roughness factor in calculating pressure losses in ducts. It uses the Reynolds Number (Re) a dimensionless number which is obtained from where is the density of the air at temp and pressures …
This information sheet is aimed at local exhaust ventilation (LEV) users within the woodworking industry. It provides practical guidance on the health and safety risks from wood dust and how to control them. It will also help employers to ask …
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