Differential pressure meter with RS-232 interface, software, positive and negative pressure, differential, suitable for air and gases.
Range: 0 ... ±350 mbar / 0 ... ±5 psi
              0...±1000 mbar / 0 ... ±15 psi
              0...±2000 mbar / 0 ... ±30psi
              0...±6900 mbar / 0 ... ±100 psi
Resolution: 0,2 mbar/0.003psi
                      1mbar /0.01psi
                      2 mbar/0.02psi
                      4 mbar/0.1psi
Accuracy : ±0.3% (across range up to +25°C)
Repeatability: ±0.2% (max. ±0.5% of final value)
Data interface port: RS232