Handheld Digital Manometers from Omega

HHP-2000 Series manometers from Omega Engineering Inc., Stamford, CT, can be operated with one hand and withstand continual heavy use in humid environments. Four differential models are available, with ranges from 0–10 in.H₂O to 0–2815 in.H₂0. You can also use the differential models to measure gauge or vacuum by venting the low or high port, respectively, to atmosphere. An absolute model has a range of 0–2815 in.H₂O. The HHP200x has zero and hold functions, the HHP202x adds 10 selectable units, min./max., range lock, and smoothing. The HHP208x adds averaging, leak testing, and data logging.