Dwyer Series-1230-1235 Dwyer Flex-Tube Manometers,
for Precise Pressure up to 100 psig (6.89 bar).
Dwyer® Series 1230 & 1235 Flex-Tube® Well Type Manometers are designe
to meet the need for a direct reading single column instrument providing highly
accurate pressure readings; positive, negative or differential. Unlike other makes,
Dwyer manometers have no hidden wells or packing glands. These instruments are
constructed of shatter-proof clear plastic tubing permanently bonded to well assemblies
with leak-proof glued joints. Well assemblies are precisely machine from solid acrylic
plastic. Over-pressure safety traps assure protection against loss of fluid. Scales are
adjusted with quick-acting positive mechanism. These manometers are rate to 100
psig (6.89 bar). Not recommended for vacuum service beyond 5˝ Hg (68 in w.c.).

