Measuring range:                             0,005 -0,05…5 – 75 L/min water 
                                                           0,05 -0,5 L/min ..400 -4000 L/min air
Connection:                                       1/8… 1 NPT female
Material:                                           acrylic glass
Max. pressure:                                  6,5 bar
Max. temperature:                            65 °C
Accuracy:                                           ± 2 …5 % F