Acrylic coverGlass :- BorosilicateMeasuring span :- 1:10Suitable for on line InstallationCentre to Centre Distance :- 100 mm to 300 mm.Ranges between - 26 - 260 to 185 - 1850 NLPH of AirVarious Materials of Constructions :- MS / SS304 / SS316 / Brass.Connections :- 1/4 BSP / NPT (F) Back - Back / Bottom - TopClear Acrylic Cover Provides visibility From 3 sidesAccuracy :- +/- 2% of full scale.Easy to maintain & ReplacePowder coated finishLinear Scale