NGage Calc is a free National Grid app which allows users to calculate typical natural gas properties at UK standard reference (15C/15C) conditions. The app incorporates the following calculations:
· ISO 6976 (2005)
· AGA 8 (Gross & Detail Characterisation) 1994
· Gas Safety (Management) Regulations (1996) Schedule 3 calculations (Wobbe, Incomplete Combustion Factor & Sooting Index)