TEREN Multifunction Differential Pressure Gauge, DPG6000, 1% Accuracy, 5 Units Selectable, Power 15 to 28V DC/AC, Range 10" WC, 4 Bits 0.8" Red LED

 Apply high accuracy MEMS sensor and digital technologies, can measure positive, negative or differential pressure, and supply local display and output simultaneously.  It can measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels of bubbler systems and pressure amplifier or hydraulic system.  It can be used in medical care equipment to monitor blood and respiratory pressures.  Suitable for surface, panel or flush mount  Multiple ranges, outputs and engineering units selectable  No any movable parts, no any effect on vibration  The accuracy is up to ±1%  Function keys: zero/range calibrate, units select, relay set, output calibrate, etc