... corrode brass, Burner monitoring, Gas production, Medical Applications, etc. Dial size: 2", 2.5", 4", and 6" Pressure range: - 60mbar to 600 mbar ... (Psi, kPa, mbar, H2O) available Accuracy: 1.6% full scale, 2.5% full scale Zero adjust: Adjustable on the dial Option ...