4
Electronic Balancing Tool EBT730/EBT731
Standard Tools
This section gives a brief description of standard tools for the micromanometer.
Pitot Tube
The pitot tube is primarily used to obtain air velocity, air volume, and velocity pressure measurements
within ductwork. An 18 in. (46 cm) pitot tube is included with the EBT730 or EBT731 kits. Alternate sizes
are available.
Static Pressure Probe
The static pressure probe is primarily used to obtain static pressure measurements within ductwork.
Differential pressure measurements across a filter or coil can also be performed by placing one probe
upstream and the other downstream of the filter or coil.
Balometer
®
Capture Hoods
Capture hoods are used to obtain volumetric air flow measurements through diffusers, registers and
grilles. Capture hoods are available in a kit with one 2 ft
2 ft (610 mm
610 mm) fabric hood, frame,
and base assembly. Alternate hood sizes are available. Descriptions and part numbers can be found in
Table 2 of Chapter 2 of this manual
.
Optional Tools
This section gives a brief description of optional tools for the micromanometer.
Velocity Matrix
The velocity matrix is used to obtain area-averaged multi-point air velocity measurements useful in
laboratory hood face velocity testing, filter face velocity testing, and other applications such as kitchen
exhaust.
Air Flow Probe
The air flow probe model 800187 is an 18” (46 cm) straight pitot tube used to obtain single point
air
velocity
or air volume measurements in ductwork.
Temperature/Humidity Probe
The temperature/humidity probe is used to obtain temperature measurements over the range of 14 to
140°F (-10 to 60°C), humidity measurements over the range of 5 to 95% RH, along with calculated wet
bulb temperature of 40 to 140°F (4 to 60°C) and dewpoint temperature of 5 to 120°F (-15 to 49°C).
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