AIR PRESSURE SWITCH/MPL-501-G, range C 0501DO-GP-0010AIR PRESSURE SWITCH/MPL-501-G, range CMPL 500 Series switches offer pressure, vacuum, and differentialsensors, sensitive to as low as 0.05 in/H 2 O. Air Pressure Switch that activates between 120-125 knots. Their accuracy andreli..