Fletchers Equations – Excel Spreadsheet

For Captor Hoods – Fletcher’s equations are the recommended (by HSE) method for calculating the Effective Captor Distances (for entering onto the hood label) at Captor Hoods

Fletcher equations arer also the correct methodology for use by LEV Designers for calculating required Captor Hood Entry Velocites to achieve minimum Captor Velocities at a chosen distance out from the hood (Captor Distance).

You can download a copy of the Excel spreadsheet from the OXYL8 website here:-  Fletcher Excel Spreadsheet download