The EBT731 Balometer Capture Hood is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings at diffusers and grilles. The EBT features a detachable micromanometer which can be used with optional probes for increased flexibility in multiple measurement applications.

Specifications
EBT731
Velocity Range
Pitot probes 25 to 15,500 ft/min (0.125 to 78 m/s)
Air flow probe 25 to 5,000 ft/min (0.125 to 25 m/s)
Velocity matrix 25 to 2,500 ft/min (0.125 to 12 .5 m/s)
Accuracy ±3% of reading ±7 ft/min (±0.04 m/s) at
velocities >50 ft/min (>0.25 m/s)
Units ft/min, m/s
Resolution 1 ft/min (0.01 m/s)
Pressure
Differential pressure
±15 in. H 2O (±3735 Pa);
150 in. H 2O (37.5 kPa),
maximum safe operating pressure
Absolute pressure 15 to 40 in. Hg (356 to 1016 mm Hg)
Accuracy ±2% of reading ±0.0001 in. H 2O (±0.025 Pa)
static and differential; ±2% of reading absolute
Units in. H 2O, in. Hg, Pa, hPa, kPa, mm Hg,
cm Hg, mm H 2O, cm H 2O,
Resolution 0.00001 in. H 2O (0.001 Pa) static and
differential; 0.01 in. Hg (1 mm Hg) absolu