The APM 140 offers the same specifications
as the APM 130 Differential Manometer
with the additional following features
and functions:

• Measures in 7 different units: kPA, PSI, inHG, HG, inH2O, mmH2O & mbar
• Record min/max readings - ideal for use when measuring tightness in gas lines
• Smoothing facility for stable readings
• Range lock facility
• Optional pouch available ASP