PSF102 Ordering Guide With exclusive DesignFlex™ features, you can choose from the options below to custom-design a switch ordering number with features to suit your needs.
PSF102 Series Number Low Port/ Housing Option Number High Port/ Cover Option Number Diaphragm Option Number Three Digit Pressure Set Point Option Number	Diaphragm Options 1 Polyurethane (Standard)   2 Teflon (optional) Example: 7112-710 = PSF102 Series ultra sensitive pressure switch with • Low Port/Housing, .156" Diameter, Smooth Port with Mounting Lugs • High Port/Cover, .156" Diameter, Smooth Port • Teflon Diaphragm • Adjustable Set Point Range: 0.1" to 0.5" H2O
Low Port/Housing Options High Port/Cover Options Pressure Set Point Options Option No. In. H2O mbar PSI Proof Pressure Tolerance 710 0.1 to 0.5 0.25 to 1.25 .004 to .018 4 PSI ±0.1 In. H2O 711 0.5 to 2.0 1.25 to 4.98 .018 to .072 8 PSI ±0.2 In. H2O 712 2.0 to 15.0 4.98 to 37.37 .072 to .541 8 PSI ±0.5 In. H2O 713 15.0 to 60.0 37.37 to 149.3 .541 to 2.17 15 PSI ±10% 723 60.0 to 100.0 149.3 to 248.8 2.17 to 3.60 25 PSI ±10% 714 100.0 to 830.0 248.8 to 2068.0 3.60 to 30.0 30 PSI ±10% Close Ordering Guide