The DPM2Plus Universal Pressure Meter is a handheld, battery operated device designed to accurately measure positive and negative pressures in medical equipment using air or liquid. With 1 percent accuracy and multiple selectable scale ranges, it is ideal for testing devices such as ventilators, IV pumps, dialysis machines, and surgical suction equipment. When used with the optional Parabolic Flow Adapter, it also enables quick flow interpretation for efficient repair and quality control.