Application: Wind control in clean rooms, filters, etc. To monitor positive pressure, negative pressure and pressure difference. Environmental Temperature Range: 20°F ~ 140°F Rated total pressure: -20 ″ Hg ,~ 15psig 。 Over-pressure: Let-out plug turned on at about 25psig。 Connection: 1/8 ″ NPTF High/Low pressure pipe nozzles Enclosure:Punching die casts aluminium enclosure, acid-wash aluminium parts. Has endured salt-spray test for 168 h. Carcoal grey spray outcoats. Precision:± 2%F.S ( 3% - 0 range, 4%-00 range)。 Standard Accessories:Two 1/8 ″ NPT plugs,used for two pressure nozzles,Two 1/8 threads,for rubber tubing joints. Three immersed installation joints with bolts. (Installation rings, knots ring holders used to replace three joints on the accessories of intermediate/high pressure meters) Mass: 460g,low-temperature models also available ,which are applied in situations where frequency of pressure changes is high. (recommended to use products with more highly rated readings ) Common models: 0-60Pa ;± 60Pa ; 0-125Pa ; 0 ~ 500Pa ; 0 ~ 750Pa ; 0-1000Pa ; 0-1.5kPa ; 0-2kPa ; 0-3kPa.