C9551壓力儀表
C9551壓力儀表技術參數：

Selectable pressure units, PSI, mbar, inH2O, inHg, mmHg, torr, Pa, mmH2O
Silicone protection option available for liquid pressure measurement
Positive or negative (vacuum) pressure measurement
Adjustable zero value
Maximum, minimum pressure and hold function
Averaged reading function
Over-range indication - maximum over/under pressure 6PSI/400mbar
Selectable auto switch off
Can function as a calibrator when used with TK2 pressure test kit