Pressure ManometerFor measuring hydrostatic pressures Measure vacuum and pressure in gases Ranges available: 1 PSI, 15 PSI, 100 PSI Measure in PSI or kPa on the 100 PSI unit or PSI and mmHg on the 15PSI unit Battery powered Includes tubing and mini phone to BNC cable Options Order code Description SYS PM01D Pressure Manometer (1 psi) SYS PM01R Pressure Manometer (1 psi), Rechargeable* SYS PM015D Pressure Manometer (15 psi) SYS PM015R Pressure Manometer (15 psi),