Pressure Range Dual ScaleSingle ScalepsikPa/MPabar15=0-15 psi0-103 kPa1B=0-1 bar30=0-30 psi0-207 kPa2B=0-2 bar50=0-50 psi0-345 kPa3.5B=0-3.5 bar75=0-75 psi0-517 kPa5B=0-5 bar100=0-100 psi0-689 kPa7B=0-7 bar150=0-150 psi0-1.03 MPa10B=0-10 bar200=0-200 psi0-1.38 MPa14B=0-14 bar300=0-300 psi0-2.07 MPa20B=0-20 bar400=0-400 psi0-2.76 MPa28B=0-28 barConsult factory for availability of dials other than psi/kPa. Select scale so your normal operating temperature is in the middle half of the scale.OptionsOptions Not Available On All Models Or ConfigurationsB1=Back BezelEX=Explosion-Proof; (CSA) Class I, Div.1, Groups C & D (A25PE Model Only)EL=Explosion-Proof Less CaseHL=High and Low ContactsKKnob Adjusting Face ContactOS=Oil Sealed, Silicone OilBase ModelA20PA20PEA20PABSA20PGA25PA25PE*A25PABSA25PG* CSA Option (-EX)A25P–B1–200