Attributes . 29" HgV to 0" HgV: ±0.2" HgV; 74 cmHgV to 0 cmHgV: ±1 cmHgV 0 to 200 psig: ±1 psig; 0 to 1378 kPa: ±7 kPa 200 to 580 psig: ±2 psig; 1378 to 4000 kPa: ±14 kPa . Names