AS 1349-1986 pdf free.Bourdon tube pressure and vacuum gauges. AS 1349 specifies requirements for Bourdon tube pressure and vacuum gauges with circular concentric scales within the pressure range - 100 kPa to + 100 000 kPa. and the nominal size range (approximate dial diameter) 50 mm to 300 mm. Compound gauges (pressure and vacuum) are also included. The gauges are...