MONUMENT 257C GAS TEST GAUGE 30MB 300MM/12IN

Made from tough plastics used both for testing pipework installations with air for leaks before the introduction of gas and for checking and setting correct gas pressures on domestic and commercial appliances.
Extruded cover slides off and may be clipped over the base for standing the tool vertically during use.
Hanging tab permits vertical hanging from suitable protrusions.
Marked in millibars.
Mb scale adjusts for zeroing water level.
Size. 300mm/12in.
Capacity: 30Mb
300MM/12IN 30MB GAUGE TEST GAS 257C MONUMENT