Dwyer 1638 Large Diaphragm Pressure SwitchesThe Series 1630 Large Diaphragm Pressure Switch provides maximum dependability and is the highest precision conventional pressure switch offered in the Dwyer range. The Series 1630 Large Diaphragm Pressure Switch also conveniently incorporates a visible set point indicator. UL and CSA listed, FM approved for industrial and air conditioning service. Built with the electrical capability of 15 amps, handling most small electrical loads. Visual Set Point

2-meter Teflon Extension Cable

Dwyer Fluorescein green color concentrate

25% full scale accuracy

Ideal for chemical feed

Dial Ranges from Vacuum

Single or multiple float configurations

repeatability)

IM019 meter with pulse output only

Its wide range of applications includes water purification

Controls sequential operation of pumps

Overheating protection for fan heaters

Protects pumps