Extech 407910: Heavy Duty Differential Pressure Manometer (29psi)

The 407910 is a Differential Pressure Manometer that measures to 29psi and displays results in 8 units of measure. Features include: zero function for offset measurements, Min/Max, Data Hold and Auto power off. Includes 2 quick-disconnect fittings, 9V battery, protective holster with stand, and case.