Pictured above D2500 with handle and hose assembly to air plug and zero setting. Smaller air plugs can be fitted directly onto the front of the unit.
Model Total Range Graduation Dial size
D1250 0.152mm 0.002mm 82mm
D2500 0.076mm 0.001mm 82mm
D4000 0.076mm 0.0005mm 152mm
D5000 0.038mm 0.0005mm 82mm
D8000 0.038mm 0.0002mm 152mm
D10000 0.0152mm 0.0002mm 82mm
D16000 0.0152mm 0.0002mm 152mm
D20000 0.0076mm 0.0001mm 82mm

Dimensionairs are supplied in Metric or Imperial complete with front adaptor, filter and on/off valve. (1/4BSP male) Min supply air pressure is 40 psi.

The Federal Dimensionair is easy to use:- Set tolerance markers, Adjust regulator to bring pointer to 'set' position, place setting ring on plug, adjust zero screw until meter hand is on zero, It is now ready for use.