Specifications:
Measuring range: 0.006-0.05 GPM....0.44-4.4 GPM (Water), 0.06-0.27 SCFM to 11.8-62 SCFM (Air) Fitting: G 3/4... G 11/2 male, 3/8"-1" NPT Material: trogamid, polysulfone Max. pressure: 145 PSIG Max. temperature: 140 °F Accuracy class: ± 4% of FS Options: contact, air scale