7302937 - 

RS Filter Loss Fluid Manometer
RS fluid manometer is a general purpose manometer suitable for positive, negative and differential pressure measurements.,This precision, clear plastic gauge has the benefit of giving a continuous display of the filter condition. No flow of air passes through the unit. There is a further advantage in that, for practical purposes, there is no limit to the distance between the filter and where one mounts the gauge.,The RS fliter loss fluid manometer is supplied with pressure tubing, fixings, self-sealing duct connectors, 'Filter Clean' and 'Change Filter Now' self-adhesive labels, spare manometer fluid (S.G 0.8) and self-tapping fixing screws.
Measurement range: 0 to 1.5 inches water gauge (0 to 375 Pascals)