for positive and negative pressure, differential pressure and airspeed (with pitot tube). Capillary-glass graduated tube, embedded in guard strip and fitted to a spray-coated metal plate. Each device is adjusted separately. With precise setting level and adjustable attachment ring for hanging in correct position. Clear readings provided by extremely long sliding metal scale with 300 mm division length for all areas. Connection via glass-tube nozzles 9-10 mm dia. incl. red titrating solution "P". Plate width 465 mm.

made of 25 mm-thick acrylic-glass block, fashioned in one piece and with a contrasting white background surface. Sliding scale. With adjustable level and moveable hanger assembly. Supplied with two hose-nozzle connections (10 mm dia.). Each device is adjusted individually. Complete with "Acryl 88" red titrating solution, which does not attack the acrylic glass. Suitable for both positive and negative pressure, and for carrying out differential measurements.
Inclined tube manometer D 580 K, small version:
plate width 250 mm, scale 150 mm long.
Inclined tube manometer D 580 G, large version:
plate width 400 mm, scale 280 mm long.