Product Feature
Dwyer flow meter Internal conversion factors for up to 32 gases. Automatic zero adjustment. Self diagnostic tests. 
Product Specification/Models
Dwyer flow meter Relay Rating    1 amp 24 VDC. Max Particulate Size    5 microns. Temperature Limits Ambient: 32 to 122° F (0 to 50° C); Dry Gases: 14 to 122° F (-10 to 50° C). Power Supply    12 VDC; ± 15 VDC; 24 VDC. 
Application
Dwyer flow meter Relay Rating    1 amp  24 VDC. Max Particulate Size    5 microns. Temperature Limits Ambient: 32 to 122° F (0 to 50° C); Dry Gases: 14 to 122° F (-10 to 50° C). Power Supply    12 VDC; ± 15 VDC; 24 VDC. 
Other Information
Dwyer flow meter Leak Integrity    1 x 10-9 smL/sec of helium. Display    128 x 64 graphic LCD with backlight.