41
Appendix A
Specifications
Specifications are subject to change without notice.
Velocity (TA Probe):
Range: 0 to 9999 ft/min (0 to 50 m/s)
Accuracy
1&2
: ±3% of reading or ±3 ft/min (±0.015 m/s), whichever
is greater
Resolution: 1 ft/min (0.01 m/s)
Velocity (Pitot Tube):
Range
3
: 250 to 15500 ft/min (1.27 to 78.7 m/s)
Accuracy
4
: ±1.5% at 2000 ft/min (10.16 m/s)
Resolution: 1 ft/min (0.01 m/s)
Duct Size:
Range: 1 to 500 inches in increments of 0.1 in.
(2.5 to 1270 cm in increments of 0.1 cm)
Volumetric Flow Rate:
Range: Actual range is a function of actual velocity, pressure,
duct size, and K factor
Temperature (TA Probe):
Range: 14 to 140°F (-10 to 60°C)
Accuracy
5
: ±0.5°F (±0.3°C)
Resolution: 0.1°F (0.1°C)
Relative Humidity (TA Probe):
Range: 5 to 95% RH
Accuracy
6
: ±3% RH
Resolution: 0.1% RH
Wet Bulb Temperature (TA Probe):
Range: 40 to 140°F (5 to 60°C)
Resolution: 0.1°F (0.1°C)
Dew Point (TA Probe):
Range: 5 to 120°F (-15 to 49°C)
Resolution: 0.1°F (0.1°C)
Heat Flow (TA Probe):
Range: Function of velocity, temperature, humidity,
and barometric pressure
Measurements available: Sensible heat flow, latent heat flow,
total heat flow and sensible heat factor
Units measured: BTU/hr, kW
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