tender for digital barometer pressure indicator for measurement of barometericand other absolute pressure with nabl calibration certificate the specificationare given below 1. range: 200 to 1050 mbar absolute 2. resolution: 0.1 mbar 3. media : airpressure other non corrosive gase 4.display : 32 chracter large alphanumericblack lcd with white letter pressure units : torr, mmhg, mbar,psi, kg/cm2, inhg,k,pascal power: li-ion rechargeable battery with external charger .